| Washington Dulles International → Hartsfield/Jackson Atlanta International IAD–ATL | 4,028 | 463,626 | 76% | 534 | Delta Air Lines Inc., United Air Lines Inc., Frontier Airlines Inc., Mesa Airlines Inc. +5 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Denver International IAD–DEN | 3,443 | 573,967 | 85% | 1,452 | United Air Lines Inc., Southwest Airlines Co., SkyWest Airlines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → San Francisco International IAD–SFO | 2,722 | 468,718 | 84% | 2,418 | United Air Lines Inc., Alaska Airlines Inc., Delta Air Lines Inc., Jet Aviation Flight Services, Inc. +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Charlotte/Douglas International IAD–CLT | 2,704 | 175,318 | 76% | 322 | PSA Airlines Inc., Mesa Airlines Inc., American Airlines Inc., Republic Airline +8 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Los Angeles International IAD–LAX | 2,466 | 409,663 | 86% | 2,288 | United Air Lines Inc., American Airlines Inc., Alaska Airlines Inc., Jet Aviation Flight Services, Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Detroit Metro Wayne County IAD–DTW | 2,188 | 129,277 | 77% | 383 | Mesa Airlines Inc., SkyWest Airlines Inc., Endeavor Air Inc., Republic Airline +7 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Newark Liberty International IAD–EWR | 2,171 | 210,902 | 71% | 212 | United Air Lines Inc., GoJet Airlines LLC d/b/a..., Federal Express Corporation, Republic Airline +13 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Orlando International IAD–MCO | 2,162 | 330,870 | 85% | 758 | United Air Lines Inc., Frontier Airlines Inc., Delta Air Lines Inc., United Parcel Service +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → San Salvador IAD–SAL international | 2,130 | 315,527 | 83% | 1,894 | Taca International Airlines, Vuela EL Salvador S.A. de C.V., United Air Lines Inc., Lacsa +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Chicago O'Hare International IAD–ORD | 2,106 | 298,945 | 80% | 588 | United Air Lines Inc., SkyWest Airlines Inc., Delta Air Lines Inc., GoJet Airlines LLC d/b/a... +6 | Jan 2025 – Jul 2026 |
| Washington Dulles International → London IAD–LHR international | 1,944 | 402,855 | 78% | 3,677 | British Airways Plc, United Air Lines Inc., Virgin Atlantic Airways | Jan 2025 – Jul 2026 |
| Washington Dulles International → Dallas-Fort Worth International IAD–DFW | 1,926 | 260,954 | 84% | 1,172 | United Air Lines Inc., American Airlines Inc., Frontier Airlines Inc., Mesa Airlines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Toronto IAD–YYZ international | 1,907 | 128,559 | 87% | 345 | Republic Airline, Jazz Aviation LP, Air Canada, Delta Air Lines Inc. +7 | Jan 2025 – Jul 2026 |
| Washington Dulles International → George Bush Intcntl/Houston IAD–IAH | 1,887 | 264,129 | 84% | 1,190 | United Air Lines Inc., CommuteAir LLC dba CommuteAir, Mesa Airlines Inc., Delta Air Lines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Seattle-Tacoma International IAD–SEA | 1,832 | 262,548 | 86% | 2,305 | Alaska Airlines Inc., United Air Lines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Indianapolis International IAD–IND | 1,571 | 86,314 | 82% | 476 | Republic Airline, Mesa Airlines Inc., Federal Express Corporation, United Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → General Edward Lawrence Logan International IAD–BOS | 1,495 | 221,774 | 87% | 412 | United Air Lines Inc., Republic Airline, Delta Air Lines Inc., Albinati aviation Limited +6 | Jan 2025 – Jul 2026 |
| Washington Dulles International → John Glenn Columbus International IAD–CMH | 1,468 | 96,968 | 74% | 299 | Republic Airline, United Air Lines Inc., Mesa Airlines Inc., GoJet Airlines LLC d/b/a... +5 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Pittsburgh International IAD–PIT | 1,463 | 101,829 | 72% | 182 | Republic Airline, United Air Lines Inc., Mesa Airlines Inc., CommuteAir LLC dba CommuteAir +10 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Raleigh-Durham International IAD–RDU | 1,445 | 135,851 | 73% | 225 | United Air Lines Inc., Republic Airline, Mesa Airlines Inc., GoJet Airlines LLC d/b/a... +6 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cleveland-Hopkins International IAD–CLE | 1,439 | 119,017 | 75% | 287 | United Air Lines Inc., Mesa Airlines Inc., Republic Airline, GoJet Airlines LLC d/b/a... +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Laguardia IAD–LGA | 1,410 | 91,473 | 83% | 228 | Republic Airline, Mesa Airlines Inc., Delta Air Lines Inc., United Air Lines Inc. +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Albany International IAD–ALB | 1,409 | 62,711 | 89% | 324 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Breeze Aviation Group DBA Breeze, CFM Inc d/b/a Contour... +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Norfolk International IAD–ORF | 1,395 | 90,426 | 73% | 158 | United Air Lines Inc., CommuteAir LLC dba CommuteAir, Republic Airline, Mesa Airlines Inc. +5 | Jan 2025 – Jul 2026 |
| Washington Dulles International → San Diego International IAD–SAN | 1,384 | 203,988 | 83% | 2,253 | United Air Lines Inc., Alaska Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Bradley International IAD–BDL | 1,381 | 126,987 | 78% | 325 | United Air Lines Inc., Mesa Airlines Inc., Republic Airline, CommuteAir LLC dba CommuteAir +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Richmond International IAD–RIC | 1,379 | 56,055 | 75% | 100 | GoJet Airlines LLC d/b/a..., Republic Airline, CommuteAir LLC dba CommuteAir, Mesa Airlines Inc. +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Minneapolis-St Paul Intl/Wold-Chamberlain IAD–MSP | 1,364 | 92,761 | 80% | 907 | SkyWest Airlines Inc., Mesa Airlines Inc., Sun Country Airlines d/b/a..., Republic Airline +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → MC Ghee Tyson IAD–TYS | 1,346 | 64,196 | 79% | 420 | CommuteAir LLC dba CommuteAir, Allegiant Air, Mesa Airlines Inc., United Air Lines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Tampa International IAD–TPA | 1,303 | 186,241 | 81% | 811 | United Air Lines Inc., Frontier Airlines Inc., Delta Air Lines Inc., CFM Inc d/b/a Contour... +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Syracuse Hancock International IAD–SYR | 1,301 | 59,704 | 84% | 295 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Mesa Airlines Inc., Republic Airline +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Frederick Douglass/Greater Rochester International IAD–ROC | 1,227 | 57,208 | 85% | 287 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Republic Airline, Mesa Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Montreal IAD–YUL international | 1,200 | 78,173 | 86% | 488 | Republic Airline, Jazz Aviation LP, Air Canada, Delta Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cincinnati/Northern Kentucky International IAD–CVG | 1,197 | 61,728 | 80% | 388 | Republic Airline, GoJet Airlines LLC d/b/a..., Mesa Airlines Inc., CommuteAir LLC dba CommuteAir +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Louisville Muhammad Ali International IAD–SDF | 1,195 | 49,370 | 75% | 451 | Mesa Airlines Inc., United Parcel Service, Republic Airline, United Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Patrick Leahy Burlington International IAD–BTV | 1,192 | 65,205 | 83% | 441 | Republic Airline, GoJet Airlines LLC d/b/a..., CommuteAir LLC dba CommuteAir, United Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Ottawa IAD–YOW international | 1,189 | 53,968 | 82% | 449 | GoJet Airlines LLC d/b/a..., Republic Airline, Air Canada, Air Alsie A/S +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Frankfurt IAD–FRA international | 1,184 | 316,740 | 85% | 4,080 | United Air Lines Inc., Lufthansa German Airlines | Jan 2025 – Jul 2026 |
| Washington Dulles International → Dubois Municipal IAD–DUB international | 1,172 | 151,771 | 70% | 3,404 | Aer Lingus Plc, United Air Lines Inc., DCA, VistaJet Limited | Jan 2025 – Jul 2026 |
| Washington Dulles International → Savannah/Hilton Head International IAD–SAV | 1,134 | 70,711 | 74% | 516 | Mesa Airlines Inc., United Air Lines Inc., Republic Airline, Allegiant Air +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Rhode Island TF Green International IAD–PVD | 1,130 | 55,470 | 85% | 371 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Mesa Airlines Inc., Republic Airline +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Buffalo Niagara International IAD–BUF | 1,129 | 54,312 | 86% | 283 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Republic Airline, Mesa Airlines Inc. +5 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Portland International Jetport IAD–PWM | 1,128 | 67,844 | 82% | 493 | Republic Airline, GoJet Airlines LLC d/b/a..., United Air Lines Inc., CommuteAir LLC dba CommuteAir | Jan 2025 – Jul 2026 |
| Washington Dulles International → State College IAD–SCE | 1,128 | 45,565 | 80% | 132 | CommuteAir LLC dba CommuteAir, Republic Airline, SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Paris IAD–CDG international | 1,124 | 253,949 | 81% | 3,861 | Compagnie Natl Air France, United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Philadelphia International IAD–PHL | 1,122 | 48,088 | 75% | 135 | GoJet Airlines LLC d/b/a..., Republic Airline, CommuteAir LLC dba CommuteAir, Mesa Airlines Inc. +9 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Austin-Bergstrom International IAD–AUS | 1,121 | 139,207 | 82% | 1,297 | United Air Lines Inc., Mesa Airlines Inc., Allegiant Air, Republic Airline +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Charlottesville-Albemarle IAD–CHO | 1,112 | 42,381 | 76% | 78 | CommuteAir LLC dba CommuteAir, SkyWest Airlines Inc., Republic Airline, Endeavor Air Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Harrisburg International IAD–MDT | 1,092 | 43,979 | 80% | 93 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Alaska Airlines Inc., Delta Air Lines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Harry Reid International IAD–LAS | 1,076 | 166,057 | 83% | 2,065 | United Air Lines Inc., Frontier Airlines Inc., Jet Aviation Flight Services, Inc., Alaska Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Huntsville Intl-Carl T Jones Field IAD–HSV | 1,044 | 42,816 | 82% | 596 | CommuteAir LLC dba CommuteAir, CFM Inc d/b/a Contour... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Phoenix Sky Harbor International IAD–PHX | 1,033 | 146,940 | 82% | 1,956 | United Air Lines Inc., Southwest Airlines Co., Delta Air Lines Inc., Scott Aviation, LLC d/b/a... +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Nashville International IAD–BNA | 1,032 | 113,321 | 76% | 542 | United Air Lines Inc., Allegiant Air, Republic Airline, Mesa Airlines Inc. +9 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Charleston Afb/Intl IAD–CHS | 1,025 | 80,718 | 74% | 442 | United Air Lines Inc., Republic Airline, Mesa Airlines Inc., CommuteAir LLC dba CommuteAir +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Roanoke/Blacksburg Regional (Woodrum Field) IAD–ROA | 1,022 | 40,995 | 80% | 177 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Mesa Airlines Inc., Endeavor Air Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Panama City IAD–PTY international | 1,018 | 154,837 | 91% | 2,060 | Compania Panamena (Copa) | Jan 2025 – Jul 2026 |
| Washington Dulles International → Jacksonville International IAD–JAX | 947 | 101,079 | 77% | 631 | United Air Lines Inc., Mesa Airlines Inc., Republic Airline, Allegiant Air +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → James M Cox Dayton International IAD–DAY | 944 | 39,544 | 83% | 367 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Republic Airline, Allegiant Air | Jan 2025 – Jul 2026 |
| Washington Dulles International → Columbia Metro IAD–CAE | 892 | 37,939 | 85% | 401 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Delta Air Lines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Greenville Spartanburg International IAD–GSP | 854 | 38,284 | 89% | 384 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Mesa Airlines Inc., Delta Air Lines Inc. +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Lisbon IAD–LIS international | 842 | 145,692 | 88% | 3,591 | TAP-TAP Air Portugal, United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Ithaca Tompkins International IAD–ITH | 810 | 32,530 | 80% | 250 | CommuteAir LLC dba CommuteAir | Mar 2025 – Jul 2026 |
| Washington Dulles International → Piedmont Triad International IAD–GSO | 808 | 30,569 | 81% | 239 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a..., Federal Express Corporation, American Airlines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Dubois Regional IAD–DUJ | 782 | 1,956 | 28% | 171 | Southern Airways Express,... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Fort Lauderdale/Hollywood International IAD–FLL | 782 | 122,867 | 87% | 901 | United Air Lines Inc., Frontier Airlines Inc., Jet Aviation Flight Services, Inc., Sun Country Airlines d/b/a... +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Wilkes-Barre/Scranton International IAD–AVP | 769 | 28,229 | 73% | 189 | CommuteAir LLC dba CommuteAir, Republic Airline | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cancun IAD–CUN international | 728 | 107,564 | 83% | 1,355 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Henderson Executive IAD–HND international | 717 | 137,046 | 82% | 6,782 | All Nippon Airways Co., United Air Lines Inc., VistaJet Limited | Jan 2025 – Jul 2026 |
| Washington Dulles International → Kansas City International IAD–MCI | 712 | 48,662 | 85% | 926 | Mesa Airlines Inc., United Air Lines Inc., Republic Airline, American Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → St. Louis Lambert International IAD–STL | 711 | 27,337 | 76% | 696 | GoJet Airlines LLC d/b/a..., Republic Airline, Delta Air Lines Inc., United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Salt Lake City International IAD–SLC | 706 | 90,631 | 83% | 1,827 | Delta Air Lines Inc., United Air Lines Inc., Breeze Aviation Group DBA Breeze, Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Luis Munoz Marin International IAD–SJU | 705 | 112,140 | 88% | 1,572 | United Air Lines Inc., Frontier Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Manchester Boston Regional IAD–MHT | 704 | 28,098 | 80% | 418 | CommuteAir LLC dba CommuteAir, Breeze Aviation Group DBA Breeze | Mar 2025 – Jul 2026 |
| Washington Dulles International → John F Kennedy International IAD–JFK | 703 | 40,716 | 73% | 228 | Endeavor Air Inc., Republic Airline, Delta Air Lines Inc., American Airlines Inc. +4 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Mexico City IAD–MEX international | 693 | 80,549 | 70% | 1,864 | United Air Lines Inc., Aeromexico | Jan 2025 – Jul 2026 |
| Washington Dulles International → Amsterdam IAD–AMS international | 685 | 129,390 | 78% | 3,867 | United Air Lines Inc., Klm Royal Dutch Airlines, Haute Aviation | Jan 2025 – Jul 2026 |
| Washington Dulles International → San Antonio International IAD–SAT | 685 | 87,304 | 83% | 1,362 | United Air Lines Inc., Mesa Airlines Inc., Delta Air Lines Inc., Jet Aviation Flight Services, Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Zurich IAD–ZRH international | 678 | 121,778 | 80% | 4,157 | United Air Lines Inc., Swiss International Airlines, JetClub AG | Jan 2025 – Jul 2026 |
| Washington Dulles International → Louis Armstrong New Orleans International IAD–MSY | 675 | 78,526 | 74% | 955 | United Air Lines Inc., Mesa Airlines Inc., Republic Airline, Jet Aviation Flight Services, Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Lancaster IAD–LNS | 654 | 2,312 | 39% | 102 | Southern Airways Express,... | Jan 2025 – Jun 2026 |
| Washington Dulles International → Istanbul IAD–IST international | 651 | 178,658 | 85% | 5,223 | Turk Hava Yollari A.O., VistaJet Limited | Jan 2025 – Jul 2026 |
| Washington Dulles International → Miami International IAD–MIA | 650 | 88,998 | 78% | 922 | United Air Lines Inc., Frontier Airlines Inc., Delta Air Lines Inc., Jet Aviation Flight Services, Inc. +7 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Munich IAD–MUC international | 642 | 167,598 | 79% | 4,263 | United Air Lines Inc., Lufthansa German Airlines, Avcon Jet AG, Glock Aviation GmbH | Jan 2025 – Jul 2026 |
| Washington Dulles International → Bogota IAD–BOG international | 622 | 84,275 | 79% | 2,366 | Aerovias Nacl De Colombia | Jan 2025 – Jul 2026 |
| Washington Dulles International → Plattsburgh International IAD–PBG | 598 | 10,806 | 60% | 444 | CFM Inc d/b/a Contour... | May 2025 – Jul 2026 |
| Washington Dulles International → Rome IAD–FCO international | 552 | 113,617 | 83% | 4,505 | United Air Lines Inc., Italia Transporto Aereo... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Paulding Northwest Atlanta IAD–PUJ international | 541 | 79,164 | 82% | 1,506 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Middle Georgia Regional IAD–MCN | 524 | 10,106 | 64% | 554 | CFM Inc d/b/a Contour... | May 2025 – Jun 2026 |
| Washington Dulles International → Keflavik/Reykjavik IAD–KEF international | 521 | 67,964 | 75% | 2,798 | Icelandair, United Air Lines Inc., FAI rent-a-jet AG | Jan 2025 – Jul 2026 |
| Washington Dulles International → Madrid IAD–MAD international | 511 | 86,520 | 84% | 3,816 | Iberia Air Lines Of Spain, United Air Lines Inc., Gestair, S.A., FAI rent-a-jet AG +1 | Mar 2025 – Jul 2026 |
| Washington Dulles International → Toronto IAD–YTZ international | 497 | 23,907 | 62% | 338 | Porter Airlines Inc. (PAI), Jazz Aviation LP | Jan 2025 – Jul 2026 |
| Washington Dulles International → Guatemala City IAD–GUA international | 483 | 72,334 | 86% | 1,857 | Lacsa, United Air Lines Inc., Taca International Airlines | Jan 2025 – Jul 2026 |
| Washington Dulles International → Mobile Regional IAD–MOB | 482 | 19,763 | 82% | 836 | CommuteAir LLC dba CommuteAir | Jan 2025 – Jul 2026 |
| Washington Dulles International → Bradford Regional IAD–BFD | 480 | 1,354 | 31% | 206 | Southern Airways Express,... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Williamsport Regional IAD–IPT | 479 | 1,953 | 45% | 160 | Southern Airways Express,... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Southwest Florida International IAD–RSW | 466 | 60,635 | 75% | 891 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Brussels IAD–BRU international | 465 | 128,337 | 85% | 3,892 | United Air Lines Inc., Brussels Airlines N.V., Comlux Aruba NV | Jan 2025 – Jul 2026 |
| Washington Dulles International → South Bend International IAD–SBN | 462 | 24,396 | 61% | 504 | Mesa Airlines Inc., Breeze Aviation Group DBA Breeze, Republic Airline, SkyWest Airlines Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Frederick W Smith Intl/Memphis IAD–MEM | 415 | 342 | 57% | 742 | Federal Express Corporation, Delta Air Lines Inc., American Airlines Inc., GoJet Airlines LLC d/b/a... +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Doha IAD–DOH international | 414 | 120,684 | 89% | 6,926 | Qatar Airways (Q.C.S.C) | Jan 2025 – Jun 2026 |
| Washington Dulles International → Addis Ababa IAD–ADD international | 365 | 105,722 | 81% | 7,193 | Ethiopian Airlines | Jan 2025 – Jul 2026 |
| Washington Dulles International → Sacramento International IAD–SMF | 362 | 52,744 | 82% | 2,357 | United Air Lines Inc., Delta Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Seoul IAD–ICN international | 359 | 86,946 | 88% | 6,958 | Korean Air Lines Co. Ltd. | Jan 2025 – Jul 2026 |
| Washington Dulles International → West Palm Beach/Palm Beach IAD–PBI | 348 | 38,087 | 72% | 859 | United Air Lines Inc., Republic Airline, Jet Aviation Flight Services, Inc., Mesa Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Morgantown Muni/Walter L Bill Hart Field IAD–MGW | 340 | 6,064 | 36% | 140 | SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cyril E King IAD–STT | 333 | 47,488 | 86% | 1,606 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Aurora Muni/Al Potter Field IAD–AUH international | 331 | 88,790 | 88% | 7,087 | Etihad Airways | Jan 2025 – Jul 2026 |
| Washington Dulles International → Sao Paulo IAD–GRU international | 330 | 63,171 | 83% | 4,737 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → John Murtha Johnstown/Cambria County IAD–JST | 319 | 8,823 | 55% | 119 | SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Aruba IAD–AUA international | 317 | 49,517 | 87% | 1,878 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Vienna IAD–VIE international | 313 | 59,041 | 88% | 4,464 | Austrian Airlines | Jan 2025 – Jun 2026 |
| Washington Dulles International → Barcelona IAD–BCN international | 306 | 63,604 | 88% | 4,060 | United Air Lines Inc., Etihad Airways | Feb 2025 – Jul 2026 |
| Washington Dulles International → Providenciales IAD–PLS international | 296 | 33,629 | 64% | 1,223 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Portland International IAD–PDX | 292 | 42,732 | 84% | 2,327 | United Air Lines Inc., Delta Air Lines Inc., Alaska Airlines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Edinburgh IAD–EDI international | 279 | 39,950 | 81% | 3,476 | United Air Lines Inc., Acropolis Aviation Ltd. | Mar 2025 – Jul 2026 |
| Washington Dulles International → Copenhagen IAD–CPH international | 274 | 57,783 | 82% | 4,073 | Scandinavian Airlines Sys. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Accra IAD–ACC international | 273 | 55,974 | 84% | 5,296 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Albuquerque International Sunport IAD–ABQ | 272 | 28,560 | 77% | 1,628 | United Air Lines Inc., Southwest Airlines Co. | Mar 2025 – Jul 2026 |
| Washington Dulles International → Geneva IAD–GVA international | 266 | 40,632 | 75% | 4,091 | United Air Lines Inc., VistaJet Limited | Jan 2025 – Jul 2026 |
| Washington Dulles International → Casablanca IAD–CMN international | 236 | 45,727 | 70% | 3,829 | Royal Air Maroc, AVCON JET MALTA LTD | Jan 2025 – Jul 2026 |
| Washington Dulles International → Dubai IAD–DXB international | 230 | 68,852 | 59% | 7,069 | Emirates | Jan 2025 – Apr 2026 |
| Washington Dulles International → Lagos IAD–LOS international | 220 | 41,284 | 77% | 5,442 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Ogdensburg International IAD–OGS | 220 | 11,812 | 39% | 408 | Breeze Aviation Group DBA Breeze | Jan 2025 – Jul 2026 |
| Washington Dulles International → Athens IAD–ATH international | 182 | 39,989 | 92% | 5,168 | United Air Lines Inc., GainJet Ireland Ltd, VistaJet Limited | Mar 2025 – Jul 2026 |
| Washington Dulles International → Jeddah IAD–JED international | 173 | 34,833 | 69% | 6,592 | Saudi Arabian Airlines Corp | Jan 2025 – Jun 2026 |
| Washington Dulles International → Daniel K Inouye International IAD–HNL | 166 | 32,181 | 84% | 4,816 | United Air Lines Inc., Air Transport International | Jan 2025 – Jul 2026 |
| Washington Dulles International → Lome IAD–LFW international | 164 | 28,724 | 63% | 5,349 | Ethiopian Airlines | Jan 2025 – Jul 2026 |
| Washington Dulles International → Philipsburg IAD–SXM international | 163 | 21,310 | 79% | 1,679 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Provo Municipal IAD–PVU | 155 | 15,734 | 74% | 1,820 | Breeze Aviation Group DBA Breeze | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cleburne Regional IAD–CPT international | 152 | 34,267 | 88% | 7,923 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Key West International IAD–EYW | 149 | 7,942 | 71% | 1,024 | Republic Airline, Mesa Airlines Inc. | Jan 2025 – Apr 2026 |
| Washington Dulles International → Riyadh IAD–RUH international | 149 | 26,788 | 64% | 6,749 | Saudi Arabian Airlines Corp, VistaJet Limited, Jet Story | Jan 2025 – Jul 2026 |
| Washington Dulles International → Montego Bay IAD–MBJ international | 145 | 18,969 | 78% | 1,409 | United Air Lines Inc., TEM Enterprises dba Avelo Airlines | Jan 2025 – Jul 2026 |
| Washington Dulles International → Venice IAD–VCE international | 144 | 24,437 | 84% | 4,381 | United Air Lines Inc., VistaJet Limited | May 2025 – Jul 2026 |
| Washington Dulles International → Lynchburg Rgnl/Preston Glenn Field IAD–LYH | 130 | 2,080 | 32% | 147 | SkyWest Airlines Inc. | Mar 2026 – Jul 2026 |
| Washington Dulles International → Vancouver IAD–YVR international | 129 | 18,864 | 89% | 2,343 | United Air Lines Inc., VistaJet Limited | May 2025 – Jul 2026 |
| Washington Dulles International → Calgary IAD–YYC international | 119 | 17,541 | 90% | 1,951 | United Air Lines Inc., Westjet | May 2025 – Jul 2026 |
| Washington Dulles International → Ted Stevens Anchorage International IAD–ANC | 108 | 12,849 | 72% | 3,356 | United Air Lines Inc., Jet Aviation Business Jets AG | May 2025 – Jul 2026 |
| Washington Dulles International → Ronald Reagan Washington Ntl IAD–DCA | 107 | 7,152 | 52% | 24 | American Airlines Inc., PSA Airlines Inc., Delta Air Lines Inc., Republic Airline +6 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Beijing IAD–PEK international | 105 | 29,995 | 77% | 6,920 | Air China | Jan 2025 – Jul 2026 |
| Washington Dulles International → Vero Beach Regional IAD–VRB | 103 | 10,425 | 75% | 797 | Breeze Aviation Group DBA Breeze, Jet Aviation Flight Services, Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Sarasota/Bradenton International IAD–SRQ | 100 | 15,840 | 89% | 849 | Allegiant Air, Jet Aviation Flight Services, Inc., United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → North Central West Virginia IAD–CKB | 99 | 2,007 | 41% | 150 | SkyWest Airlines Inc. | Apr 2026 – Jul 2026 |
| Washington Dulles International → Palm Springs International IAD–PSP | 94 | 11,445 | 73% | 2,188 | United Air Lines Inc. | Jan 2025 – Apr 2026 |
| Washington Dulles International → Asheville Regional IAD–AVL | 93 | 9,802 | 61% | 371 | Allegiant Air, CFM Inc d/b/a Contour..., Jet Aviation Flight Services, Inc., Republic Airline | Jun 2025 – Jul 2026 |
| Washington Dulles International → Myrtle Beach International IAD–MYR | 89 | 4,145 | 85% | 373 | CommuteAir LLC dba CommuteAir, Mesa Airlines Inc., Republic Airline | May 2025 – Jul 2026 |
| Washington Dulles International → San Jose IAD–SJO international | 88 | 11,056 | 73% | 2,037 | Lacsa, United Air Lines Inc. | Jan 2025 – Apr 2026 |
| Washington Dulles International → Punta Gorda IAD–PGD | 87 | 13,054 | 84% | 870 | Allegiant Air | Jan 2025 – Jul 2026 |
| Washington Dulles International → Nassau IAD–NAS international | 85 | 7,025 | 79% | 959 | Republic Airline, United Air Lines Inc., CFM Inc d/b/a Contour... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Amman IAD–AMM international | 83 | 16,218 | 73% | 5,965 | Alia-(The) Royal Jordanian | Mar 2025 – Jul 2026 |
| Washington Dulles International → Dakar Thies IAD–DSS international | 78 | 7,994 | 51% | 4,006 | United Air Lines Inc. | Jan 2025 – Jan 2026 |
| Washington Dulles International → Nice IAD–NCE international | 78 | 10,324 | 71% | 4,219 | United Air Lines Inc., VistaJet Limited | May 2025 – Jul 2026 |
| Washington Dulles International → Tri-Cities IAD–TRI | 66 | 4,453 | 49% | 320 | Breeze Aviation Group DBA Breeze | Jul 2025 – Jul 2026 |
| Washington Dulles International → Claremore Regional IAD–GCM international | 58 | 7,984 | 79% | 1,374 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Washington Dulles International IAD–IAD | 54 | 188 | 7% | 0 | SkyWest Airlines Inc., CFM Inc d/b/a Contour..., CommuteAir LLC dba CommuteAir | Jan 2025 – Jul 2026 |
| Washington Dulles International → Bozeman Yellowstone International IAD–BZN | 52 | 7,143 | 89% | 1,773 | United Air Lines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| Washington Dulles International → Tel Aviv IAD–TLV international | 49 | 9,728 | 81% | 5,904 | United Air Lines Inc. | Nov 2025 – Feb 2026 |
| Washington Dulles International → Teterboro IAD–TEB | 48 | 90 | 17% | 223 | Jet Aviation Flight Services, Inc., CFM Inc d/b/a Contour..., Tradewind Aviation, Air Alsie A/S +6 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Tweed/New Haven IAD–HVN | 41 | 4,050 | 68% | 290 | TEM Enterprises dba Avelo Airlines, Breeze Aviation Group DBA Breeze | Jan 2025 – Jan 2026 |
| Washington Dulles International → Barbados/Bridgetown IAD–BGI international | 40 | 4,208 | 63% | 2,094 | United Air Lines Inc. | Jan 2025 – Jul 2026 |
| Washington Dulles International → Chicago/Rockford International IAD–RFD | 39 | 0 | | 651 | United Parcel Service | Jan 2025 – Jul 2026 |
| Washington Dulles International → Westchester County IAD–HPN | 36 | 203 | 17% | 247 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc., CFM Inc d/b/a Contour..., Tradewind Aviation +3 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Eglin Afb/Destin-Ft Walton Beach IAD–VPS | 29 | 3,690 | 79% | 778 | Allegiant Air | May 2025 – Jul 2026 |
| Washington Dulles International → Baltimore/Washington International Thurgood Marshall IAD–BWI | 28 | 1,848 | 46% | 45 | Southwest Airlines Co., Delta Air Lines Inc., Jet Aviation Flight Services, Inc., CFM Inc d/b/a Contour... +6 | Feb 2025 – Jul 2026 |
| Washington Dulles International → Chicago Midway International IAD–MDW | 24 | 1,718 | 66% | 577 | Delta Air Lines Inc., Southwest Airlines Co., Jet Aviation Flight Services, Inc., American Airlines Inc. +1 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Taipei IAD–TPE international | 20 | 5,071 | 91% | 7,862 | Eva Airways Corporation | Jun 2026 – Jul 2026 |
| Washington Dulles International → General Mitchell International IAD–MKE | 19 | 1,663 | 77% | 611 | Southwest Airlines Co., Delta Air Lines Inc., Jet Aviation Flight Services, Inc., Breeze Aviation Group DBA Breeze +1 | Jan 2025 – Jun 2026 |
| Washington Dulles International → Wilmington International IAD–ILM | 18 | 1,482 | 59% | 324 | TEM Enterprises dba Avelo Airlines, CFM Inc d/b/a Contour... | Jun 2025 – Apr 2026 |
| Washington Dulles International → Eagle County Regional IAD–EGE | 16 | 1,563 | 78% | 1,572 | United Air Lines Inc. | Apr 2025 – Apr 2026 |
| Washington Dulles International → Yampa Valley IAD–HDN | 15 | 2,024 | 81% | 1,581 | United Air Lines Inc. | Jan 2025 – Apr 2026 |
| Washington Dulles International → Jackson Hole IAD–JAC | 15 | 1,407 | 74% | 1,750 | United Air Lines Inc. | Dec 2025 – Apr 2026 |
| Washington Dulles International → Cairo IAD–CAI international | 14 | 1,896 | 44% | 5,843 | Egyptair, Saudi Arabian Airlines Corp | Jan 2025 – Apr 2026 |
| Washington Dulles International → Smyrna IAD–MQY | 14 | 0 | 0% | 537 | CFM Inc d/b/a Contour... | Jul 2025 – Jun 2026 |
| Washington Dulles International → Dallas Love Field IAD–DAL | 12 | 239 | 27% | 1,163 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc., Global Crossing Airlines, Inc., Breeze Aviation Group DBA Breeze +1 | Mar 2025 – Jul 2026 |
| Washington Dulles International → Delhi IAD–DEL international | 12 | 1,880 | 60% | 7,506 | National Aviation Company... | Jan 2025 – Aug 2025 |
| Washington Dulles International → Halifax IAD–YHZ international | 11 | 689 | 77% | 826 | Republic Airline, Air Canada | Jun 2025 – Jul 2026 |
| Washington Dulles International → Quebec IAD–YQB international | 11 | 598 | 74% | 622 | Republic Airline, CommuteAir LLC dba CommuteAir | Jan 2025 – Jul 2026 |
| Washington Dulles International → Paris IAD–LBG international | 10 | 38 | 27% | 3,857 | VistaJet Limited, Unijet, Flying Service N.V., Jet Story | Jan 2025 – Jul 2026 |
| Washington Dulles International → Laurence G Hanscom Field IAD–BED | 8 | 330 | 39% | 405 | Delta Air Lines Inc., CFM Inc d/b/a Contour..., Sun Country Airlines d/b/a..., Global Crossing Airlines, Inc. +1 | Mar 2025 – May 2026 |
| Washington Dulles International → London IAD–LTN international | 8 | 27 | 24% | 3,671 | VistaJet Limited, Air Alsie A/S, Albinati aviation Limited, Jet Aviation Flight Services, Inc. +2 | Jan 2025 – Jul 2026 |
| Washington Dulles International → Cherry Capital IAD–TVC | 8 | 715 | 78% | 578 | Mesa Airlines Inc., United Air Lines Inc. | Jun 2025 – Jul 2026 |
| Washington Dulles International → Birmingham-Shuttlesworth International IAD–BHM | 7 | 130 | 62% | 638 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc. | Mar 2025 – Jun 2026 |
| Washington Dulles International → Lublin IAD–LUZ international | 7 | 0 | | 4,583 | Challenge Airlines (BE) S.A., Air Transport International | Jul 2025 – Nov 2025 |
| Washington Dulles International → Martha'S Vineyard IAD–MVY | 7 | 27 | 45% | 399 | Tradewind Aviation, Jet Aviation Flight Services, Inc., CFM Inc d/b/a Contour... | May 2025 – Jul 2026 |
| Washington Dulles International → Nantucket Memorial IAD–ACK | 6 | 17 | 28% | 423 | Tradewind Aviation, ACM AIR CHARTER GmbH, CFM Inc d/b/a Contour... | Jun 2026 – Jul 2026 |
| Washington Dulles International → Atlantic City International IAD–ACY | 6 | 613 | 65% | 159 | Sun Country Airlines d/b/a..., Tradewind Aviation | Mar 2025 – Jul 2026 |
| Washington Dulles International → Perot Fld/Fort Worth Alliance IAD–AFW | 6 | 168 | 11% | 1,183 | Omni Air International LLC, Federal Express Corporation, United Air Lines Inc. | Jan 2025 – Mar 2026 |
| Washington Dulles International → Abu Dhabi IAD–AZI international | 6 | 12 | 14% | 7,081 | VistaJet Limited, Sparfell Luftfahrt GmbH, Global Jet Luxembourg, Sa | Jan 2025 – Jan 2026 |
| Washington Dulles International → Budapest IAD–BUD international | 6 | 42 | 49% | 4,595 | Swiss Private Jet S.A., International Jet Management GmbH, Avcon Jet AG, Elitavia Malta Limited +1 | Feb 2025 – Jul 2026 |
| Washington Dulles International → St. Louis Downtown IAD–CPS | 6 | 255 | 34% | 686 | Delta Air Lines Inc., CFM Inc d/b/a Contour..., Sun Country Airlines d/b/a... | Jan 2025 – May 2026 |
| Washington Dulles International → Morristown Municipal IAD–MMU | 6 | 9 | 14% | 206 | CFM Inc d/b/a Contour..., Tradewind Aviation | Apr 2025 – Jul 2026 |
| Washington Dulles International → Monmouth Executive IAD–BLM | 5 | 10 | 20% | 197 | Tradewind Aviation, Jet Aviation Flight Services, Inc., CFM Inc d/b/a Contour... | Jun 2025 – Jul 2026 |
| Washington Dulles International → Farnborough IAD–FAB international | 5 | 14 | 20% | 3,668 | VistaJet Limited, International Jet Management GmbH, Gainjet Aviation SA, Bairline Fluggesellschaft | Mar 2025 – Jul 2026 |
| Washington Dulles International → Francis S Gabreski IAD–FOK | 5 | 8 | 16% | 288 | Jet Aviation Flight Services, Inc., Tradewind Aviation, FAI rent-a-jet AG | Jun 2025 – Jul 2026 |
| Washington Dulles International → Eppley Airfield IAD–OMA | 5 | 647 | 79% | 988 | United Air Lines Inc., Breeze Aviation Group DBA Breeze | Jan 2025 – May 2026 |
| Washington Dulles International → Rzeszow IAD–RZE international | 5 | 0 | | 4,601 | Challenge Airlines (BE) S.A., Air Transport International | Jan 2025 – Jun 2026 |
| Washington Dulles International → Alexandria International IAD–AEX | 4 | 143 | 18% | 1,001 | Global Crossing Airlines, Inc., Omni Air International LLC, TEM Enterprises dba Avelo Airlines | Jan 2025 – Jun 2026 |
| Washington Dulles International → William P Hobby IAD–HOU | 4 | 66 | 30% | 1,201 | Jet Aviation Flight Services, Inc., Scott Aviation, LLC d/b/a..., Sun Country Airlines d/b/a... | Aug 2025 – Jul 2026 |
| Washington Dulles International → Wichita Dwight D Eisenhower Ntl IAD–ICT | 4 | 589 | 96% | 1,087 | United Air Lines Inc., Mesa Airlines Inc. | May 2025 – Mar 2026 |
| Washington Dulles International → Charleston Executive IAD–JZI | 4 | 15 | 38% | 519 | CFM Inc d/b/a Contour... | Jun 2026 – Jul 2026 |
| Washington Dulles International → Milan IAD–LIN international | 4 | 20 | 35% | 4,252 | Jet Story, Mjet GmbH, Albinati aviation Limited, VistaJet Limited | Jul 2025 – Apr 2026 |
| Washington Dulles International → Quad Cities International IAD–MLI | 4 | 668 | 90% | 711 | Sun Country Airlines d/b/a... | May 2025 – Jun 2026 |
| Washington Dulles International → Okc Will Rogers International IAD–OKC | 4 | 392 | 77% | 1,136 | American Airlines Inc., Delta Air Lines Inc., SkyWest Airlines Inc. | Mar 2025 – Mar 2026 |
| Washington Dulles International → General Downing - Peoria International IAD–PIA | 4 | 715 | 99% | 661 | Allegiant Air | Apr 2025 – May 2026 |
| Washington Dulles International → St. Pete-Clearwater International IAD–PIE | 4 | 484 | 67% | 819 | Delta Air Lines Inc., Allegiant Air | Apr 2026 – Jun 2026 |
| Washington Dulles International → Springfield-Branson Ntl IAD–SGF | 4 | 734 | 99% | 875 | Sun Country Airlines d/b/a... | May 2025 – Jul 2026 |
| Washington Dulles International → Mineta San Jose International IAD–SJC | 4 | 122 | 44% | 2,400 | Scott Aviation, LLC d/b/a..., Air Canada, ADVANCED AIR, LLC, Sun Country Airlines d/b/a... | Jan 2025 – May 2026 |
| Washington Dulles International → Waukegan Ntl IAD–UGN | 4 | 10 | 18% | 596 | Jet Aviation Flight Services, Inc. | Mar 2025 – Jun 2026 |
| Washington Dulles International → Altoona/Blair County IAD–AOO | 3 | 3 | 4% | 103 | CFM Inc d/b/a Contour..., Tradewind Aviation | Jan 2026 – Jun 2026 |
| Washington Dulles International → Hamilton IAD–BDA international | 3 | 5 | 21% | 850 | Jet Aviation Flight Services, Inc. | May 2026 – Jul 2026 |
| Washington Dulles International → Block Island State IAD–BID | 3 | 4 | 17% | 347 | Tradewind Aviation | Jun 2025 – Jul 2026 |
| Washington Dulles International → Bismarck Municipal IAD–BIS | 3 | 526 | 97% | 1,293 | Allegiant Air | Sep 2025 – Apr 2026 |
| Washington Dulles International → City Of Colorado Springs Municipal IAD–COS | 3 | 369 | 82% | 1,463 | United Air Lines Inc., SkyWest Airlines Inc. | Feb 2025 – Jun 2026 |
| Washington Dulles International → Spokane International IAD–GEG | 3 | 487 | 91% | 2,082 | Allegiant Air, Alaska Airlines Inc. | Apr 2025 – Jul 2026 |
| Washington Dulles International → Hahn IAD–HHN international | 3 | 0 | | 4,030 | Western Global, Air Transport International | Jun 2025 – Jun 2026 |
| Washington Dulles International → Osaka IAD–KIX international | 3 | 769 | 93% | 6,967 | Korean Air Lines Co. Ltd. | Mar 2025 – Oct 2025 |
| Washington Dulles International → Leipzig IAD–LEJ international | 3 | 0 | | 4,184 | Antonov Company | Mar 2025 – Jun 2026 |
| Washington Dulles International → Tokyo IAD–NRT international | 3 | 410 | 74% | 6,752 | Korean Air Lines Co. Ltd., United Air Lines Inc. | Sep 2025 – Jul 2026 |
| Washington Dulles International → Ontario International IAD–ONT | 3 | 405 | 76% | 2,242 | Alaska Airlines Inc. | Sep 2025 – Dec 2025 |
| Washington Dulles International → Miami-Opa Locka Executive IAD–OPF | 3 | 8 | 19% | 914 | Jet Aviation Flight Services, Inc. | Apr 2025 – Jul 2026 |
| Washington Dulles International → Rabat IAD–RBA international | 3 | 17 | 41% | 3,851 | VistaJet Limited, Glock Aviation GmbH | Feb 2025 – May 2026 |
| Washington Dulles International → Friedman Memorial IAD–SUN | 3 | 9 | 20% | 1,928 | Jet Aviation Flight Services, Inc., Scott Aviation, LLC d/b/a... | Mar 2026 – Jul 2026 |
| Washington Dulles International → Lehigh Valley International IAD–ABE | 2 | 0 | 0% | 159 | Jet Aviation Flight Services, Inc., SkyWest Airlines Inc. | Aug 2025 – Feb 2026 |
| Washington Dulles International → Akureyri IAD–AEY international | 2 | 121 | 95% | 2,950 | Titan Airways | Mar 2025 – Mar 2026 |
| Washington Dulles International → Augusta Regional AT Bush Field IAD–AGS | 2 | 284 | 98% | 460 | Delta Air Lines Inc. | Jun 2026 – Jul 2026 |
| Washington Dulles International → Naples Municipal IAD–APF | 2 | 2 | 10% | 917 | Jet Aviation Flight Services, Inc. | Jun 2025 – Mar 2026 |
| Washington Dulles International → Appleton International IAD–ATW | 2 | 183 | 49% | 679 | CFM Inc d/b/a Contour..., United Air Lines Inc. | Sep 2025 – Jun 2026 |
| Washington Dulles International → Scottsbluff/Western Nebraska Rgnl/Wm B Heilig Field IAD–BFF | 2 | 354 | 93% | 1,387 | United Air Lines Inc. | Mar 2025 – May 2026 |
| Washington Dulles International → Boeing Fld/King County International IAD–BFI | 2 | 110 | 44% | 2,305 | Alaska Airlines Inc., Delta Air Lines Inc. | Feb 2025 – Jun 2026 |
| Washington Dulles International → Bangor International IAD–BGR | 2 | 17 | 17% | 601 | CommuteAir LLC dba CommuteAir, GoJet Airlines LLC d/b/a... | Oct 2025 – Nov 2025 |
| Washington Dulles International → Burke Lakefront IAD–BKL | 2 | 66 | 46% | 285 | Delta Air Lines Inc. | May 2026 – Jun 2026 |
| Washington Dulles International → Brize Norton IAD–BZZ international | 2 | 52 | 43% | 3,625 | Titan Airways | Jan 2026 – Feb 2026 |
| Washington Dulles International → Akron-Canton Regional IAD–CAK | 2 | 99 | 53% | 251 | Breeze Aviation Group DBA Breeze, SkyWest Airlines Inc. | Dec 2025 – Mar 2026 |
| Washington Dulles International → Lovell Field IAD–CHA | 2 | 183 | 59% | 506 | Delta Air Lines Inc., Allegiant Air | May 2025 – May 2026 |
| Washington Dulles International → The Eastern Iowa IAD–CID | 2 | 249 | 90% | 777 | SkyWest Airlines Inc., United Air Lines Inc. | Aug 2025 – Mar 2026 |
| Washington Dulles International → Dubuque Regional IAD–DBQ | 2 | 327 | 88% | 734 | Sun Country Airlines d/b/a... | May 2025 – May 2026 |
| Washington Dulles International → Delta County IAD–ESC | 2 | 349 | 97% | 678 | Allegiant Air | May 2025 – May 2026 |
| Washington Dulles International → Ezeiza IAD–EZE international | 2 | 3 | 11% | 5,218 | VistaJet Limited | Aug 2025 – Aug 2025 |
| Washington Dulles International → Bishop International IAD–FNT | 2 | 177 | 98% | 429 | Federal Express Corporation, Allegiant Air | Jan 2026 – Jun 2026 |
| Washington Dulles International → Republic IAD–FRG | 2 | 50 | 28% | 248 | JetBlue Airways, CFM Inc d/b/a Contour... | Feb 2025 – Feb 2026 |
| Washington Dulles International → Gulfport-Biloxi International IAD–GPT | 2 | 263 | 71% | 884 | Sun Country Airlines d/b/a... | May 2025 – May 2026 |
| Washington Dulles International → Green Bay/Austin Straubel International IAD–GRB | 2 | 123 | 48% | 670 | Allegiant Air, SkyWest Airlines Inc. | Nov 2025 – Mar 2026 |
| Washington Dulles International → Gerald R Ford International IAD–GRR | 2 | 241 | 98% | 501 | Allegiant Air, PSA Airlines Inc. | Mar 2025 – Jun 2026 |
| Washington Dulles International → East Hampton IAD–HTO | 2 | 5 | 31% | 309 | Tradewind Aviation | Jun 2025 – Nov 2025 |
| Washington Dulles International → Lubbock Preston Smith International IAD–LBB | 2 | 297 | 90% | 1,403 | Allegiant Air, Southwest Airlines Co. | Oct 2025 – Apr 2026 |
| Washington Dulles International → Blue Grass IAD–LEX | 2 | 69 | 82% | 392 | CFM Inc d/b/a Contour..., Mesa Airlines Inc. | Jun 2025 – May 2026 |
| Washington Dulles International → Lincoln IAD–LNK | 2 | 342 | 96% | 1,031 | United Air Lines Inc. | Jun 2025 – Sep 2025 |
| Washington Dulles International → Midland International Air And Space Port IAD–MAF | 2 | 257 | 82% | 1,471 | Southwest Airlines Co. | Apr 2025 – Apr 2026 |
| Washington Dulles International → Kansas City Downtown/Wheeler Field IAD–MKC | 2 | 116 | 40% | 920 | Breeze Aviation Group DBA Breeze, United Air Lines Inc. | Mar 2025 – Jun 2026 |
| Washington Dulles International → Dekalb-Peachtree IAD–PDK | 2 | 2 | 7% | 517 | FAI rent-a-jet AG, CFM Inc d/b/a Contour... | May 2025 – May 2026 |
| Washington Dulles International → Edgar County IAD–PRG international | 2 | 6 | 24% | 4,304 | ABS JETS A.S, VistaJet Limited | Oct 2025 – Apr 2026 |
| Washington Dulles International → Tri-Cities IAD–PSC | 2 | 3 | 12% | 2,157 | Jet Aviation Flight Services, Inc. | Aug 2025 – Mar 2026 |
| Washington Dulles International → Oakland County International IAD–PTK | 2 | 61 | 71% | 404 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc. | Apr 2025 – Nov 2025 |
| Washington Dulles International → Rapid City Regional IAD–RAP | 2 | 336 | 94% | 1,368 | United Air Lines Inc. | Jun 2026 – Jul 2026 |
| Washington Dulles International → Copenhagen IAD–RKE international | 2 | 14 | 58% | 4,056 | JetClub AG, Volkswagen AirSevice GmbH... | Feb 2026 – Jun 2026 |
| Washington Dulles International → Orlando Sanford International IAD–SFB | 2 | 309 | 99% | 734 | Allegiant Air | Apr 2026 – May 2026 |
| Washington Dulles International → Shreveport Regional IAD–SHV | 2 | 126 | 93% | 1,022 | ADVANCED AIR, LLC, United Air Lines Inc. | Oct 2025 – May 2026 |
| Washington Dulles International → Sion IAD–SIR international | 2 | 2 | 6% | 4,144 | ABS JETS A.S, Global Jet Luxembourg, Sa | Mar 2026 – Apr 2026 |
| Washington Dulles International → Adirondack Regional IAD–SLK | 2 | 8 | 100% | 410 | Tradewind Aviation, Volkswagen AirSevice GmbH... | Aug 2025 – Dec 2025 |
| Washington Dulles International → London IAD–STN international | 2 | 4 | 2% | 3,696 | Titan Airways | Mar 2025 – Jun 2026 |
| Washington Dulles International → Toluca IAD–TLC international | 2 | 4 | 13% | 1,890 | ACM AIR CHARTER GmbH, International Jet Management GmbH | Aug 2025 – Oct 2025 |
| Washington Dulles International → Toulon/Hyeres IAD–TLN international | 2 | 2 | 7% | 4,189 | Global Jet Luxembourg, Sa, VistaJet Limited | Apr 2026 – May 2026 |
| Washington Dulles International → Miami Executive IAD–TMB | 2 | 0 | 0% | 933 | Jet Aviation Flight Services, Inc., CFM Inc d/b/a Contour... | May 2025 – Jun 2026 |
| Washington Dulles International → Trenton Mercer IAD–TTN | 2 | 5 | 31% | 168 | CFM Inc d/b/a Contour..., Tradewind Aviation | Dec 2025 – May 2026 |
| Washington Dulles International → Concord IAD–USA | 2 | 0 | 0% | 304 | CFM Inc d/b/a Contour..., TEM Enterprises dba Avelo Airlines | Oct 2025 – May 2026 |
| Washington Dulles International → Winnipeg IAD–YWG international | 2 | 102 | 72% | 1,230 | Air Canada, Delta Air Lines Inc. | Feb 2025 – Dec 2025 |
| Washington Dulles International → Beauvechain IAD–ABB international | 1 | 0 | | 3,907 | Antonov Company | Jan 2026 – Jan 2026 |
| Washington Dulles International → Abilene Regional IAD–ABI | 1 | 16 | 53% | 1,325 | CFM Inc d/b/a Contour... | May 2026 – May 2026 |
| Washington Dulles International → Rick Husband Amarillo International IAD–AMA | 1 | 173 | 97% | 1,359 | United Air Lines Inc. | Jul 2026 – Jul 2026 |
| Washington Dulles International → Watertown International IAD–ART | 1 | 5 | 31% | 355 | Jet Aviation Flight Services, Inc. | Jun 2026 – Jun 2026 |
| Washington Dulles International → Auburn University Regional IAD–AUO | 1 | 3 | 38% | 625 | CFM Inc d/b/a Contour... | May 2026 – May 2026 |
| Washington Dulles International → Westfield-Barnes Regional IAD–BAF | 1 | 0 | 0% | 333 | Sun Country Airlines d/b/a... | Oct 2025 – Oct 2025 |
| Washington Dulles International → Bridgeport/Sikorsky IAD–BDR | 1 | 7 | 88% | 276 | Tradewind Aviation | Feb 2026 – Feb 2026 |
| Washington Dulles International → Greater Binghamton/Edwin A Link Field IAD–BGM | 1 | 5 | 62% | 238 | Tradewind Aviation | Jul 2026 – Jul 2026 |
| Washington Dulles International → Birmingham IAD–BHX international | 1 | 4 | 27% | 3,603 | FAI rent-a-jet AG | Jul 2026 – Jul 2026 |
| Washington Dulles International → Billings Logan International IAD–BIL | 1 | 118 | 94% | 1,648 | United Air Lines Inc. | Dec 2025 – Dec 2025 |
| Washington Dulles International → Stockholm IAD–BMA international | 1 | 3 | 21% | 4,140 | Air Alsie A/S | Jun 2026 – Jun 2026 |
| Washington Dulles International → Monroe County IAD–BMG | 1 | 118 | 66% | 492 | United Air Lines Inc. | May 2026 – May 2026 |
| Washington Dulles International → Bonaire IAD–BON international | 1 | 129 | 72% | 1,931 | United Air Lines Inc. | Feb 2026 – Feb 2026 |
| Washington Dulles International → London IAD–BQH international | 1 | 4 | 29% | 3,700 | VistaJet Limited | Apr 2026 – Apr 2026 |
| Washington Dulles International → Rafael Hernandez IAD–BQN | 1 | 177 | 99% | 1,540 | United Air Lines Inc. | Mar 2026 – Mar 2026 |
| Washington Dulles International → Baton Rouge Metro, Ryan Field IAD–BTR | 1 | 6 | 40% | 970 | CFM Inc d/b/a Contour... | Mar 2025 – Apr 2026 |
| Washington Dulles International → Braunschweig IAD–BWE international | 1 | 5 | 42% | 4,092 | Volkswagen AirSevice GmbH... | Mar 2025 – Feb 2026 |
| Washington Dulles International → Caracas IAD–CCS international | 1 | 12 | 6% | 2,056 | Omni Air International LLC | Mar 2026 – Mar 2026 |
| Washington Dulles International → Concord Municipal IAD–CON | 1 | 0 | 0% | 427 | Jet Aviation Flight Services, Inc. | Jul 2026 – Jul 2026 |
| Washington Dulles International → Catania IAD–CTA international | 1 | 4 | 29% | 4,792 | VistaJet Limited | Sep 2025 – Sep 2025 |
| Washington Dulles International → Daytona Beach International IAD–DAB | 1 | 155 | 87% | 704 | United Air Lines Inc. | Jun 2026 – Jun 2026 |
| Washington Dulles International → Des Moines International IAD–DSM | 1 | 145 | 81% | 873 | Allegiant Air | May 2025 – Jun 2026 |
| Washington Dulles International → Jebel Ali IAD–DWC international | 1 | 2 | 12% | 7,081 | Jet Story | Mar 2025 – Jan 2026 |
| Washington Dulles International → EL Paso International IAD–ELP | 1 | 114 | 65% | 1,697 | Southwest Airlines Co. | Aug 2025 – Aug 2025 |
| Washington Dulles International → Erie Intl/Tom Ridge Field IAD–ERI | 1 | 0 | 0% | 259 | CFM Inc d/b/a Contour... | Mar 2026 – Mar 2026 |
| Washington Dulles International → Friedrichshafen IAD–FDH international | 1 | 2 | 15% | 4,191 | Jet Aviation Flight Services, Inc. | Jan 2025 – Jan 2026 |
| Washington Dulles International → Frederick Municipal IAD–FDK | 1 | 0 | 0% | 32 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| Washington Dulles International → Fernandina Beach Municipal IAD–FHB | 1 | 4 | 50% | 618 | CFM Inc d/b/a Contour... | Feb 2026 – Feb 2026 |
| Washington Dulles International → Karlsruhe/Baden-Baden IAD–FKB international | 1 | 2 | 17% | 4,098 | Volkswagen AirSevice GmbH... | Jun 2026 – Jun 2026 |
| Washington Dulles International → Placida IAD–FL7 | 1 | 5 | 62% | 879 | Jet Aviation Flight Services, Inc. | Dec 2025 – Dec 2025 |
| Washington Dulles International → Northern Colorado Regional IAD–FNL | 1 | 177 | 98% | 1,466 | Allegiant Air | Apr 2026 – Apr 2026 |
| Washington Dulles International → Fort Dodge Regional IAD–FOD | 1 | 149 | 80% | 911 | Sun Country Airlines d/b/a... | May 2025 – May 2026 |
| Washington Dulles International → Figari IAD–FSC international | 1 | 12 | 86% | 4,375 | VistaJet Limited | Jul 2026 – Jul 2026 |
| Washington Dulles International → Garden City Regional IAD–GCK | 1 | 165 | 92% | 1,261 | United Air Lines Inc. | Jul 2025 – Apr 2026 |
| Washington Dulles International → Rio de Janeiro IAD–GIG international | 1 | 4 | 29% | 4,791 | VistaJet Limited | Aug 2025 – Aug 2025 |
| Washington Dulles International → Grand Junction Regional IAD–GJT | 1 | 187 | 94% | 1,662 | United Air Lines Inc. | Jul 2025 – Aug 2025 |
| Washington Dulles International → Grenada IAD–GND international | 1 | 6 | 50% | 2,091 | International Jet Management GmbH | Feb 2026 – Feb 2026 |
| Washington Dulles International → Gainesville Regional IAD–GNV | 1 | 2 | 25% | 695 | CFM Inc d/b/a Contour... | Mar 2026 – Mar 2026 |
| Washington Dulles International → Benjamin Taisacan Manglona International IAD–GRO international | 1 | 6 | 43% | 4,072 | Skyfirst Limited | Jul 2026 – Jul 2026 |
| Washington Dulles International → Harrisburg IAD–HAR | 1 | 0 | 0% | 93 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| Washington Dulles International → Helsinki IAD–HEL international | 1 | 1 | 7% | 4,322 | Air Alsie A/S | Jun 2026 – Jun 2026 |
| Washington Dulles International → Hilton Head IAD–HHH | 1 | 0 | 0% | 498 | CFM Inc d/b/a Contour... | Jan 2026 – Jan 2026 |
| Washington Dulles International → Wilmington Air Park IAD–ILN | 1 | 0 | | 342 | Air Transport International | Jun 2026 – Jun 2026 |
| Washington Dulles International → Innsbruck IAD–INN international | 1 | 5 | 36% | 4,280 | VistaJet Limited | Jun 2026 – Jun 2026 |
| Washington Dulles International → Long Island Mac Arthur IAD–ISP | 1 | 8 | 100% | 264 | Tradewind Aviation | Aug 2025 – Aug 2025 |
| Washington Dulles International → Johannesburg IAD–JNB international | 1 | 186 | 72% | 8,131 | United Air Lines Inc. | Feb 2026 – Feb 2026 |
| Washington Dulles International → Arlington IAD–JZT | 1 | 18 | 95% | 1,182 | CFM Inc d/b/a Contour... | Dec 2025 – Dec 2025 |
| Washington Dulles International → Kingston IAD–KIN international | 1 | 0 | 0% | 1,448 | Omni Air International LLC | Nov 2025 – Nov 2025 |
| Washington Dulles International → Ellison Onizuka Kona International AT Keahole IAD–KOA | 1 | 128 | 55% | 4,780 | United Air Lines Inc. | Mar 2026 – Mar 2026 |
| Washington Dulles International → Krakow IAD–KRK international | 1 | 35 | 14% | 4,518 | Eastern Airlines f/k/a... | Jul 2026 – Jul 2026 |
| Washington Dulles International → Capital Region International IAD–LAN | 1 | 0 | 0% | 457 | Global Crossing Airlines, Inc. | Mar 2026 – Mar 2026 |
| Washington Dulles International → Leeds/Bradford IAD–LBA international | 1 | 4 | 29% | 3,579 | VistaJet Limited | Nov 2025 – Nov 2025 |
| Washington Dulles International → Libreville IAD–LBV international | 1 | 13 | 93% | 6,033 | VistaJet Limited | Aug 2025 – Aug 2025 |
| Washington Dulles International → London IAD–LCY international | 1 | 4 | 40% | 3,697 | Air Alsie A/S | Jan 2026 – Jan 2026 |
| Washington Dulles International → Lebanon Municipal IAD–LEB | 1 | 3 | 38% | 419 | Tradewind Aviation | Nov 2025 – Nov 2025 |
| Washington Dulles International → Leesburg International IAD–LEE | 1 | 1 | 11% | 741 | Scott Aviation, LLC d/b/a... | Nov 2025 – Nov 2025 |
| Washington Dulles International → Liege IAD–LGG international | 1 | 0 | | 3,937 | Challenge Airlines (BE) S.A. | Apr 2026 – Apr 2026 |
| Washington Dulles International → Bill And Hillary Clinton Ntl/Adams Field IAD–LIT | 1 | 146 | 97% | 867 | American Airlines Inc. | Mar 2025 – Aug 2025 |
| Washington Dulles International → Laredo International IAD–LRD | 1 | 0 | 0% | 1,491 | CommuteAir LLC dba CommuteAir | Aug 2025 – Aug 2025 |
| Washington Dulles International → Ellington IAD–LUG international | 1 | 1 | 7% | 4,218 | Global Jet Luxembourg, Sa | Aug 2025 – Aug 2025 |
| Washington Dulles International → Cincinnati Muni/Lunken Field IAD–LUK | 1 | 62 | 35% | 374 | Eastern Air Express, LLC (EAX) | Apr 2025 – Dec 2025 |
| Washington Dulles International → Edgartown IAD–MA1 | 1 | 4 | 50% | 403 | Tradewind Aviation | Jun 2026 – Jun 2026 |
| Washington Dulles International → Nampa Municipal IAD–MAN international | 1 | 5 | 33% | 3,564 | Sparfell Luftfahrt GmbH | Nov 2025 – Nov 2025 |
| Washington Dulles International → MC Allen International IAD–MFE | 1 | 81 | 49% | 1,492 | United Air Lines Inc. | Apr 2026 – Apr 2026 |
| Washington Dulles International → Melbourne Orlando International IAD–MLB | 1 | 174 | 97% | 770 | United Air Lines Inc. | Mar 2026 – Mar 2026 |
| Washington Dulles International → Mulhouse IAD–MLH international | 1 | 2 | 12% | 4,110 | International Jet Management GmbH | Feb 2026 – Feb 2026 |
| Washington Dulles International → Northwest Alabama Regional IAD–MSL | 1 | 19 | 63% | 632 | CFM Inc d/b/a Contour... | Dec 2025 – Dec 2025 |
| Washington Dulles International → Dane County Rgnl/Truax Field IAD–MSN | 1 | 120 | 95% | 683 | United Air Lines Inc. | Jun 2025 – Aug 2025 |
| Washington Dulles International → Northolt IAD–NHT international | 1 | 6 | 43% | 3,676 | VistaJet Limited | Apr 2026 – Apr 2026 |
| Washington Dulles International → Mexico City IAD–NLU international | 1 | 158 | 87% | 1,846 | Aeromexico | Aug 2025 – Aug 2025 |
| Washington Dulles International → Newport IAD–NPT | 1 | 2 | 25% | 372 | Tradewind Aviation | Jul 2026 – Jul 2026 |
| Washington Dulles International → Brockport IAD–NY3 | 1 | 8 | 89% | 293 | Chartright Air Inc. | Sep 2025 – Sep 2025 |
| Washington Dulles International → Oakland San Francisco Bay IAD–OAK | 1 | 4 | 50% | 2,408 | Jet Aviation Flight Services, Inc. | Feb 2025 – Jun 2026 |
| Washington Dulles International → Orlando Executive IAD–ORL | 1 | 6 | 75% | 751 | CFM Inc d/b/a Contour... | Jun 2026 – Jun 2026 |
| Washington Dulles International → Ostend IAD–OST international | 1 | 0 | 0% | 3,819 | Comlux Malta, Ltd. | Sep 2025 – Sep 2025 |
| Washington Dulles International → Waterbury-Oxford IAD–OXC | 1 | 1 | 12% | 287 | Tradewind Aviation | Apr 2025 – Oct 2025 |
| Washington Dulles International → Bedford IAD–PA2 | 1 | 0 | 0% | 96 | CFM Inc d/b/a Contour... | Jun 2026 – Jun 2026 |
| Washington Dulles International → Zanderij IAD–PBM international | 1 | 12 | 86% | 2,695 | VistaJet Limited | Nov 2025 – Nov 2025 |
| Washington Dulles International → Pitt-Greenville IAD–PGV | 1 | 4 | 50% | 229 | Chartright Air Inc. | Nov 2025 – Nov 2025 |
| Washington Dulles International → Pellston Rgnl/Emmet County IAD–PLN | 1 | 26 | 87% | 591 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| Washington Dulles International → Pisa IAD–PSA international | 1 | 2 | 12% | 4,358 | FAI rent-a-jet AG | Jun 2025 – Jul 2026 |
| Washington Dulles International → Cascais IAD–PT1 international | 1 | 13 | 93% | 3,582 | Global Jet Austria, GmbH | Oct 2025 – Oct 2025 |
| Washington Dulles International → Pula IAD–PUY international | 1 | 5 | 28% | 4,468 | Comlux Malta, Ltd. | Nov 2025 – Nov 2025 |
| Washington Dulles International → Puerto Vallarta IAD–PVR international | 1 | 12 | 86% | 2,076 | Air Hamburg... | Dec 2025 – Dec 2025 |
| Washington Dulles International → Bremerton Ntl IAD–PWT | 1 | 1 | 7% | 2,326 | Jet Aviation Flight Services, Inc. | Aug 2025 – Aug 2025 |
| Washington Dulles International → Plymouth Municipal IAD–PYM | 1 | 1 | 8% | 409 | Jet Aviation Flight Services, Inc. | Jan 2026 – Jan 2026 |
| Washington Dulles International → Kennesaw IAD–QMA | 1 | 0 | 0% | 523 | CFM Inc d/b/a Contour... | Feb 2026 – Feb 2026 |
| Washington Dulles International → Rifle Garfield County IAD–RIL | 1 | 1 | 8% | 1,616 | Jet Aviation Flight Services, Inc. | Jul 2025 – Oct 2025 |
| Washington Dulles International → Knox County Regional IAD–RKD | 1 | 2 | 25% | 558 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| Washington Dulles International → Rotterdam IAD–RTM international | 1 | 3 | 21% | 3,863 | VistaJet Limited | Feb 2025 – Jan 2026 |
| Washington Dulles International → Greeley IAD–RYE | 1 | 5 | 50% | 1,446 | Jet Aviation Flight Services, Inc. | Jun 2026 – Jun 2026 |
| Washington Dulles International → Santiago de Compostela IAD–SCQ international | 1 | 2 | 14% | 3,521 | Skyfirst Limited | Jul 2026 – Jul 2026 |
| Washington Dulles International → Sanford Seacoast Regional IAD–SFM | 1 | 2 | 25% | 466 | Tradewind Aviation | Jun 2026 – Jun 2026 |
| Washington Dulles International → Sugar Land Regional IAD–SGR | 1 | 0 | 0% | 1,220 | Jet Aviation Flight Services, Inc. | Apr 2026 – Apr 2026 |
| Washington Dulles International → Shenandoah Valley Regional IAD–SHD | 1 | 0 | 0% | 91 | Sun Country Airlines d/b/a... | Sep 2025 – Sep 2025 |
| Washington Dulles International → Sal Island IAD–SID international | 1 | 27 | 87% | 3,608 | Global Jet Aruba V.B.A.... | Feb 2026 – Feb 2026 |
| Washington Dulles International → St. Moritz IAD–SMV international | 1 | 1 | 7% | 4,243 | Global Jet Austria, GmbH | Jan 2026 – Jan 2026 |
| Washington Dulles International → John Wayne/Orange County IAD–SNA | 1 | 5 | 62% | 2,265 | Scott Aviation, LLC d/b/a... | Feb 2025 – Nov 2025 |
| Washington Dulles International → Shannon IAD–SNN international | 1 | 0 | 0% | 3,307 | Omni Air International LLC | Mar 2026 – Mar 2026 |
| Washington Dulles International → Sofia IAD–SOF international | 1 | 1 | 6% | 4,948 | ABS JETS A.S | Nov 2025 – Nov 2025 |
| Washington Dulles International → St. Simons Island IAD–SSI | 1 | 1 | 12% | 582 | Jet Aviation Flight Services, Inc. | Mar 2026 – Mar 2026 |
| Washington Dulles International → Witham Field IAD–SUA | 1 | 5 | 42% | 827 | Jet Aviation Flight Services, Inc. | Dec 2025 – Dec 2025 |
| Washington Dulles International → New York Stewart International IAD–SWF | 1 | 0 | 0% | 250 | Sun Country Airlines d/b/a... | Sep 2025 – Sep 2025 |
| Washington Dulles International → Salzburg IAD–SZG international | 1 | 3 | 25% | 4,331 | Volkswagen AirSevice GmbH... | May 2025 – Oct 2025 |
| Washington Dulles International → Tallinn IAD–TLL international | 1 | 6 | 38% | 4,351 | FAI rent-a-jet AG | Aug 2025 – Aug 2025 |
| Washington Dulles International → Tulsa International IAD–TUL | 1 | 152 | 84% | 1,027 | Allegiant Air | Apr 2026 – Apr 2026 |
| Washington Dulles International → Tucson International IAD–TUS | 1 | 163 | 91% | 1,933 | United Air Lines Inc. | Jul 2026 – Jul 2026 |
| Washington Dulles International → Quincy Rgnl-Baldwin Field IAD–UIN | 1 | 30 | 100% | 737 | CFM Inc d/b/a Contour... | May 2026 – May 2026 |
| Washington Dulles International → North Las Vegas IAD–VGT | 1 | 3 | 21% | 2,065 | Jet Aviation Flight Services, Inc. | Jan 2026 – Jan 2026 |
| Washington Dulles International → Van Nuys IAD–VNY | 1 | 3 | 21% | 2,286 | Scott Aviation, LLC d/b/a... | Mar 2025 – Jan 2026 |
| Washington Dulles International → Cape May County IAD–WWD | 1 | 4 | 50% | 138 | Tradewind Aviation | Jul 2026 – Jul 2026 |
| Washington Dulles International → Montreal IAD–YHU international | 1 | 34 | 18% | 498 | Sun Country Airlines d/b/a... | Jan 2025 – May 2026 |
| Washington Dulles International → Kitchener IAD–YKF international | 1 | 4 | 44% | 346 | Chartright Air Inc. | Sep 2025 – Sep 2025 |
| Washington Dulles International → London IAD–YXU international | 1 | 2 | 25% | 342 | Chartright Air Inc. | Oct 2025 – Oct 2025 |
| Washington Dulles International → St. John'S IAD–YYT international | 1 | 4 | 57% | 1,374 | FAI rent-a-jet AG | Aug 2025 – Aug 2025 |