| Boeing Fld/King County International → Friday Harbor BFI–FRD | 1,516 | 8,081 | 64% | 76 | Kenmore Air Harbor, Air Excursions LLC | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Portland International BFI–PDX | 1,396 | 2,832 | 21% | 135 | Air Excursions LLC, United Parcel Service, Delta Air Lines Inc., Sun Country Airlines d/b/a... +2 | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Eastsound BFI–ESD | 988 | 5,565 | 68% | 86 | Kenmore Air Harbor | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Louisville Muhammad Ali International BFI–SDF | 847 | 0 | | 1,945 | United Parcel Service | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Ontario International BFI–ONT | 520 | 0 | | 961 | United Parcel Service | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Chicago/Rockford International BFI–RFD | 377 | 0 | | 1,658 | United Parcel Service | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Felts Field BFI–SFF | 254 | 634 | 28% | 233 | Air Excursions LLC, Kenmore Air Harbor | Aug 2025 – Jul 2026 |
| Boeing Fld/King County International → Seattle Paine Field International BFI–PAE | 153 | 7 | 1% | 26 | Kenmore Air Harbor | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Boeing Fld/King County International BFI–BFI | 58 | 307 | 37% | 0 | Kenmore Air Harbor, Atlas Air Inc., Global Crossing Airlines, Inc. | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Los Angeles International BFI–LAX | 56 | 884 | 36% | 959 | United Parcel Service, Delta Air Lines Inc., Sun Country Airlines d/b/a..., United Air Lines Inc. +3 | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Reno/Tahoe International BFI–RNO | 47 | 0 | 0% | 569 | United Parcel Service, Delta Air Lines Inc. | Oct 2025 – Jul 2026 |
| Boeing Fld/King County International → Oakland San Francisco Bay BFI–OAK | 46 | 114 | 32% | 677 | United Parcel Service, Delta Air Lines Inc., Global Crossing Airlines, Inc., Breeze Aviation Group DBA Breeze | Feb 2025 – Jul 2026 |
| Boeing Fld/King County International → Sacramento Mather BFI–MHR | 33 | 0 | | 622 | United Parcel Service | Apr 2025 – May 2026 |
| Boeing Fld/King County International → Ted Stevens Anchorage International BFI–ANC | 28 | 0 | | 1,444 | United Parcel Service, Lynden Air Cargo Airlines | May 2025 – Jul 2026 |
| Boeing Fld/King County International → Phoenix BFI–AZA | 28 | 1,358 | 32% | 1,128 | Eastern Air Express, LLC (EAX), Global Crossing Airlines, Inc., Air Wisconsin Airlines Corp | Feb 2025 – Jul 2026 |
| Boeing Fld/King County International → Seattle-Tacoma International BFI–SEA | 28 | 3 | 0% | 6 | Sun Country Airlines d/b/a..., Alaska Airlines Inc., Delta Air Lines Inc., Atlas Air Inc. +1 | Feb 2025 – Jul 2026 |
| Boeing Fld/King County International → Spokane International BFI–GEG | 24 | 5 | 42% | 223 | United Parcel Service, Kenmore Air Harbor, Ameristar Air Cargo | Jan 2025 – Dec 2025 |
| Boeing Fld/King County International → Mineta San Jose International BFI–SJC | 21 | 175 | 16% | 702 | United Parcel Service, KaiserAir, Inc., Alaska Airlines Inc., Sun Country Airlines d/b/a... +2 | Jan 2025 – Jun 2026 |
| Boeing Fld/King County International → Vancouver BFI–YVR international | 21 | 795 | 49% | 122 | Air Canada, Delta Air Lines Inc., Kenmore Air Harbor, Alaska Airlines Inc. +1 | Jan 2025 – Jun 2026 |
| Boeing Fld/King County International → Salt Lake City International BFI–SLC | 18 | 447 | 41% | 692 | United Parcel Service, Air Wisconsin Airlines Corp, Delta Air Lines Inc., Eastern Air Express, LLC (EAX) +3 | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Clarence E Page Municipal BFI–RCE | 17 | 45 | 37% | 84 | Kenmore Air Harbor, Air Excursions LLC | Jun 2025 – Jul 2026 |
| Boeing Fld/King County International → Victoria BFI–YYJ international | 17 | 50 | 46% | 93 | Kenmore Air Harbor | Jan 2025 – May 2026 |
| Boeing Fld/King County International → Mahlon Sweet Field BFI–EUG | 15 | 438 | 25% | 239 | Sun Country Airlines d/b/a..., Breeze Aviation Group DBA Breeze, Alaska Airlines Inc., Allegiant Air +5 | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Minneapolis-St Paul Intl/Wold-Chamberlain BFI–MSP | 14 | 364 | 23% | 1,398 | Delta Air Lines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Calgary BFI–YYC international | 11 | 418 | 49% | 449 | Delta Air Lines Inc., Air Canada, Chartright Air Inc., KaiserAir, Inc. | Feb 2025 – Apr 2026 |
| Boeing Fld/King County International → Lopez Island BFI–LPS | 10 | 22 | 29% | 72 | Kenmore Air Harbor | May 2025 – Jun 2026 |
| Boeing Fld/King County International → Bandon BFI–BDY | 9 | 32 | 59% | 324 | Kenmore Air Harbor | Feb 2025 – Jun 2026 |
| Boeing Fld/King County International → EL Paso International BFI–ELP | 9 | 435 | 51% | 1,372 | Air Wisconsin Airlines Corp, Eastern Air Express, LLC (EAX), Global Crossing Airlines, Inc. | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Campbell River BFI–YBL international | 9 | 22 | 41% | 215 | Kenmore Air Harbor | Jul 2025 – Jul 2026 |
| Boeing Fld/King County International → Toronto BFI–YYZ international | 9 | 724 | 61% | 2,059 | Delta Air Lines Inc., Air Canada, JetBlue Airways, VistaJet Limited | May 2025 – Nov 2025 |
| Boeing Fld/King County International → Phoenix Sky Harbor International BFI–PHX | 8 | 67 | 27% | 1,111 | United Parcel Service, Delta Air Lines Inc., Global Crossing Airlines, Inc. | Apr 2025 – May 2026 |
| Boeing Fld/King County International → Detroit Metro Wayne County BFI–DTW | 7 | 408 | 43% | 1,926 | Delta Air Lines Inc., Air Canada, JetBlue Airways, Hawaiian Airlines Inc. +1 | Oct 2025 – Jun 2026 |
| Boeing Fld/King County International → Harry Reid International BFI–LAS | 7 | 163 | 48% | 871 | United Parcel Service, Air Canada, Eastern Air Express, LLC (EAX), ADVANCED AIR, LLC | Feb 2025 – Apr 2026 |
| Boeing Fld/King County International → John Wayne/Orange County BFI–SNA | 7 | 12 | 38% | 984 | United Parcel Service, Chartright Air Inc., Scott Aviation, LLC d/b/a..., ADVANCED AIR, LLC | Mar 2025 – Jul 2026 |
| Boeing Fld/King County International → Portland-Hillsboro BFI–HIO | 5 | 5 | 17% | 141 | Kenmore Air Harbor | Feb 2025 – Apr 2026 |
| Boeing Fld/King County International → London BFI–LGW international | 5 | 0 | 0% | 4,820 | Britannia Airways Ltd. | Dec 2025 – Apr 2026 |
| Boeing Fld/King County International → San Francisco International BFI–SFO | 5 | 136 | 27% | 684 | Air Canada, Alaska Airlines Inc., Delta Air Lines Inc., Kenmore Air Harbor +1 | Feb 2025 – Jul 2026 |
| Boeing Fld/King County International → Sacramento International BFI–SMF | 5 | 251 | 53% | 611 | Delta Air Lines Inc., NEW PACIFIC AIRLINES, Allegiant Air | Mar 2025 – Oct 2025 |
| Boeing Fld/King County International → Tours BFI–TUF international | 5 | 36 | 51% | 5,051 | VistaJet Limited, Chartright Air Inc. | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Edmonton BFI–YEG international | 5 | 210 | 60% | 554 | Air Canada, Delta Air Lines Inc. | Jan 2025 – Mar 2026 |
| Boeing Fld/King County International → Albuquerque International Sunport BFI–ABQ | 4 | 0 | | 1,183 | United Parcel Service | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Baltimore/Washington International Thurgood Marshall BFI–BWI | 4 | 360 | 45% | 2,334 | Delta Air Lines Inc., Hawaiian Airlines Inc., Sun Country Airlines d/b/a..., Omni Air International LLC | Aug 2025 – Jul 2026 |
| Boeing Fld/King County International → William R Fairchild International BFI–CLM | 4 | 10 | 33% | 69 | Kenmore Air Harbor | Feb 2025 – Jun 2026 |
| Boeing Fld/King County International → Dallas Love Field BFI–DAL | 4 | 292 | 70% | 1,672 | Air Canada, NEW PACIFIC AIRLINES, Delta Air Lines Inc. | Apr 2025 – Jul 2026 |
| Boeing Fld/King County International → Denver International BFI–DEN | 4 | 157 | 41% | 1,026 | Air Canada, Delta Air Lines Inc., Global Crossing Airlines, Inc., SkyWest Airlines Inc. | Apr 2025 – Jun 2026 |
| Boeing Fld/King County International → Fort Lauderdale/Hollywood International BFI–FLL | 4 | 448 | 60% | 2,718 | Sun Country Airlines d/b/a... | Feb 2025 – Sep 2025 |
| Boeing Fld/King County International → Miami International BFI–MIA | 4 | 64 | 12% | 2,725 | Global Crossing Airlines, Inc., Delta Air Lines Inc., Caribbean Sun Airlines,... | Jun 2025 – Jul 2026 |
| Boeing Fld/King County International → Pullman/Moscow Regional BFI–PUW | 4 | 16 | 62% | 251 | Kenmore Air Harbor | Feb 2025 – Oct 2025 |
| Boeing Fld/King County International → Van Nuys BFI–VNY | 4 | 10 | 40% | 940 | Scott Aviation, LLC d/b/a..., Chartright Air Inc., Kenmore Air Harbor | Feb 2025 – Mar 2026 |
| Boeing Fld/King County International → Hollywood Burbank BFI–BUR | 3 | 332 | 93% | 942 | Alaska Airlines Inc., United Parcel Service | Jan 2025 – Dec 2025 |
| Boeing Fld/King County International → University Of Illinois/Willard BFI–CMI | 3 | 353 | 59% | 1,763 | Delta Air Lines Inc., Global Crossing Airlines, Inc., Sun Country Airlines d/b/a... | Jan 2025 – Jan 2026 |
| Boeing Fld/King County International → Newark Liberty International BFI–EWR | 3 | 140 | 32% | 2,401 | Sun Country Airlines d/b/a..., Delta Air Lines Inc. | Jan 2025 – Apr 2026 |
| Boeing Fld/King County International → Long Beach (Daugherty Field) BFI–LGB | 3 | 64 | 44% | 971 | Delta Air Lines Inc., United Parcel Service | Apr 2025 – Apr 2026 |
| Boeing Fld/King County International → London BFI–LTN international | 3 | 2 | 0% | 4,776 | Britannia Airways Ltd., VistaJet Limited | May 2026 – Jun 2026 |
| Boeing Fld/King County International → Kansas City Downtown/Wheeler Field BFI–MKC | 3 | 204 | 63% | 1,502 | Delta Air Lines Inc., United Air Lines Inc. | Jul 2025 – Jul 2026 |
| Boeing Fld/King County International → Roberts Fld/Redmond Municipal BFI–RDM | 3 | 11 | 61% | 233 | Kenmore Air Harbor | Dec 2025 – Jun 2026 |
| Boeing Fld/King County International → San Diego International BFI–SAN | 3 | 183 | 55% | 1,056 | Delta Air Lines Inc., Sun Country Airlines d/b/a... | May 2025 – Jun 2026 |
| Boeing Fld/King County International → St. Louis Lambert International BFI–STL | 3 | 39 | 21% | 1,710 | United Parcel Service, Sun Country Airlines d/b/a... | Mar 2025 – Mar 2026 |
| Boeing Fld/King County International → Tacoma Narrows BFI–TIW | 3 | 0 | 0% | 22 | Kenmore Air Harbor, Air Excursions LLC | Aug 2025 – Jul 2026 |
| Boeing Fld/King County International → Yakima Air Trml/Mcallister Field BFI–YKM | 3 | 9 | 50% | 106 | Kenmore Air Harbor | Apr 2025 – Jan 2026 |
| Boeing Fld/King County International → Winnipeg BFI–YWG international | 3 | 188 | 57% | 1,152 | Air Canada, Flair Airlines Ltd. | Nov 2025 – Apr 2026 |
| Boeing Fld/King County International → Fishermans Bay BFI–81W | 2 | 2 | 13% | 74 | Kenmore Air Harbor | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Astoria Regional BFI–AST | 2 | 6 | 50% | 121 | Kenmore Air Harbor | May 2025 – May 2026 |
| Boeing Fld/King County International → Bozeman Yellowstone International BFI–BZN | 2 | 0 | 0% | 544 | Alaska Central Express, CFM Inc d/b/a Contour... | Jan 2026 – Jul 2026 |
| Boeing Fld/King County International → John Glenn Columbus International BFI–CMH | 2 | 0 | 0% | 2,016 | Global Crossing Airlines, Inc., Republic Airline | Jan 2025 – Mar 2026 |
| Boeing Fld/King County International → Coeur D'Alene BFI–COE | 2 | 4 | 22% | 256 | Air Excursions LLC | Mar 2025 – Jun 2026 |
| Boeing Fld/King County International → St. Louis Downtown BFI–CPS | 2 | 117 | 53% | 1,726 | Air Canada, Delta Air Lines Inc. | Nov 2025 – Apr 2026 |
| Boeing Fld/King County International → Aurora BFI–FVO | 2 | 2 | 17% | 159 | Kenmore Air Harbor | Nov 2025 – Dec 2025 |
| Boeing Fld/King County International → Henderson Executive BFI–HND international | 2 | 4 | 14% | 4,801 | Chartright Air Inc., VistaJet Limited | Oct 2025 – May 2026 |
| Boeing Fld/King County International → Washington Dulles International BFI–IAD | 2 | 68 | 27% | 2,305 | Alaska Airlines Inc., Delta Air Lines Inc. | Feb 2025 – Jul 2026 |
| Boeing Fld/King County International → Ellison Onizuka Kona International AT Keahole BFI–KOA | 2 | 11 | 15% | 2,692 | Titan Airways, Scott Aviation, LLC d/b/a... | Jan 2025 – Nov 2025 |
| Boeing Fld/King County International → Kansas City International BFI–MCI | 2 | 111 | 43% | 1,490 | Delta Air Lines Inc., Sun Country Airlines d/b/a... | Sep 2025 – May 2026 |
| Boeing Fld/King County International → Chicago Midway International BFI–MDW | 2 | 73 | 86% | 1,733 | Jet Aviation Flight Services, Inc., Delta Air Lines Inc. | Mar 2025 – Jun 2026 |
| Boeing Fld/King County International → Dane County Rgnl/Truax Field BFI–MSN | 2 | 224 | 48% | 1,621 | Hawaiian Airlines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Feb 2026 |
| Boeing Fld/King County International → Missoula Montana BFI–MSO | 2 | 5 | 42% | 389 | Kenmore Air Harbor | Jan 2026 – Apr 2026 |
| Boeing Fld/King County International → MC Call Municipal BFI–MYL | 2 | 8 | 67% | 349 | Kenmore Air Harbor | Feb 2026 – Feb 2026 |
| Boeing Fld/King County International → Oak Harbor BFI–ODW | 2 | 13 | 108% | 53 | Kenmore Air Harbor | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Miami-Opa Locka Executive BFI–OPF | 2 | 19 | 10% | 2,721 | Scott Aviation, LLC d/b/a..., Global Crossing Airlines, Inc. | Jun 2025 – Jun 2026 |
| Boeing Fld/King County International → Chicago O'Hare International BFI–ORD | 2 | 128 | 50% | 1,720 | Horizon Air, United Air Lines Inc. | Aug 2025 – Mar 2026 |
| Boeing Fld/King County International → Tri-Cities BFI–PSC | 2 | 5 | 42% | 174 | Kenmore Air Harbor | Jul 2025 – Apr 2026 |
| Boeing Fld/King County International → Paulding Northwest Atlanta BFI–PUJ international | 2 | 0 | | 3,615 | VRG Linhas Aereas S A | Jan 2025 – Nov 2025 |
| Boeing Fld/King County International → Rifle Garfield County BFI–RIL | 2 | 0 | 0% | 915 | Jet Aviation Flight Services, Inc. | Feb 2025 – Oct 2025 |
| Boeing Fld/King County International → San Antonio International BFI–SAT | 2 | 221 | 64% | 1,777 | Eastern Air Express, LLC (EAX), Sun Country Airlines d/b/a... | Mar 2025 – Dec 2025 |
| Boeing Fld/King County International → Santa Barbara Municipal BFI–SBA | 2 | 75 | 43% | 913 | ADVANCED AIR, LLC, United Air Lines Inc. | Jun 2025 – Jun 2026 |
| Boeing Fld/King County International → St. George Regional BFI–SGU | 2 | 44 | 77% | 852 | Scott Aviation, LLC d/b/a..., Air Wisconsin Airlines Corp | Dec 2025 – Jun 2026 |
| Boeing Fld/King County International → Jacqueline Cochran Regional BFI–TRM | 2 | 3 | 17% | 1,012 | Scott Aviation, LLC d/b/a... | Feb 2026 – Mar 2026 |
| Boeing Fld/King County International → Tucson International BFI–TUS | 2 | 3 | 21% | 1,219 | Jet Aviation Flight Services, Inc., Ameristar Air Cargo | Sep 2025 – Jul 2026 |
| Boeing Fld/King County International → Chelan BFI–VWE | 2 | 5 | 42% | 112 | Kenmore Air Harbor | Aug 2025 – Jun 2026 |
| Boeing Fld/King County International → Brewster BFI–WA9 | 2 | 6 | 33% | 127 | Air Excursions LLC | May 2026 – May 2026 |
| Boeing Fld/King County International → Nanaimo BFI–YCD international | 2 | 7 | 58% | 128 | Kenmore Air Harbor | Sep 2025 – Oct 2025 |
| Boeing Fld/King County International → Hamilton BFI–YHM international | 2 | 0 | 0% | 2,059 | USA Jet Airlines Inc., Omni Air International LLC | Dec 2025 – Mar 2026 |
| Boeing Fld/King County International → Willow Run BFI–YIP | 2 | 0 | | 1,918 | Ameristar Air Cargo, USA Jet Airlines Inc. | Jan 2025 – Jul 2026 |
| Boeing Fld/King County International → Regina BFI–YQR international | 2 | 0 | 0% | 825 | Chartright Air Inc. | May 2026 – Jun 2026 |
| Boeing Fld/King County International → Alexandria International BFI–AEX | 1 | 0 | 0% | 1,926 | Omni Air International LLC | Jan 2025 – Sep 2025 |
| Boeing Fld/King County International → Hartsfield/Jackson Atlanta International BFI–ATL | 1 | 0 | 0% | 2,183 | Delta Air Lines Inc. | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Austin-Bergstrom International BFI–AUS | 1 | 41 | 22% | 1,773 | Sun Country Airlines d/b/a... | Mar 2025 – Jul 2026 |
| Boeing Fld/King County International → Abu Dhabi BFI–AZI international | 1 | 5 | 36% | 7,474 | VistaJet Limited | May 2026 – May 2026 |
| Boeing Fld/King County International → Laurence G Hanscom Field BFI–BED | 1 | 54 | 71% | 2,478 | KaiserAir, Inc. | Jan 2025 – Jan 2026 |
| Boeing Fld/King County International → Bergen BFI–BGO international | 1 | 3 | 21% | 4,443 | Chartright Air Inc. | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Birmingham BFI–BHX international | 1 | 0 | 0% | 4,708 | Britannia Airways Ltd. | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Billings Logan International BFI–BIL | 1 | 0 | | 664 | United Parcel Service | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Rocky Mountain Metro BFI–BJC | 1 | 48 | 71% | 1,005 | KaiserAir, Inc. | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Burke Lakefront BFI–BKL | 1 | 62 | 86% | 2,025 | Delta Air Lines Inc. | Aug 2025 – Aug 2025 |
| Boeing Fld/King County International → Nashville International BFI–BNA | 1 | 55 | 79% | 1,978 | Air Canada | Mar 2025 – Mar 2026 |
| Boeing Fld/King County International → Boise Air Trml/Gowen Field BFI–BOI | 1 | 0 | | 402 | United Parcel Service | Jan 2025 – Jan 2026 |
| Boeing Fld/King County International → Berne BFI–BRN international | 1 | 6 | 43% | 5,260 | Air Alsie A/S | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Buffalo Niagara International BFI–BUF | 1 | 51 | 73% | 2,121 | Air Canada | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Southern Cross BFI–C01 | 1 | 3 | 33% | 934 | ADVANCED AIR, LLC | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Rome BFI–CIA international | 1 | 4 | 29% | 5,692 | VistaJet Limited | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → The Eastern Iowa BFI–CID | 1 | 44 | 24% | 1,545 | Sun Country Airlines d/b/a... | Jan 2025 – Feb 2026 |
| Boeing Fld/King County International → Canyonlands Regional BFI–CNY | 1 | 0 | 0% | 875 | Jet Aviation Flight Services, Inc. | May 2025 – Oct 2025 |
| Boeing Fld/King County International → Cincinnati/Northern Kentucky International BFI–CVG | 1 | 0 | 0% | 1,964 | Delta Air Lines Inc. | Apr 2025 – Oct 2025 |
| Boeing Fld/King County International → Dallas-Fort Worth International BFI–DFW | 1 | 65 | 34% | 1,662 | American Airlines Inc. | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Pangborn Memorial BFI–EAT | 1 | 4 | 67% | 99 | Kenmore Air Harbor | Feb 2026 – Feb 2026 |
| Boeing Fld/King County International → Ezeiza BFI–EZE international | 1 | 4 | 29% | 6,905 | VistaJet Limited | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Fresno Yosemite International BFI–FAT | 1 | 0 | | 754 | United Parcel Service | May 2026 – May 2026 |
| Boeing Fld/King County International → Northern Colorado Regional BFI–FNL | 1 | 156 | 88% | 988 | Alaska Airlines Inc. | Mar 2025 – Aug 2025 |
| Boeing Fld/King County International → Topeka Regional BFI–FOE | 1 | 0 | 0% | 1,460 | Global Crossing Airlines, Inc. | Jan 2026 – Jan 2026 |
| Boeing Fld/King County International → Republic BFI–FRG | 1 | 45 | 33% | 2,434 | JetBlue Airways | Jan 2026 – Jan 2026 |
| Boeing Fld/King County International → Figari BFI–FSC international | 1 | 11 | 79% | 5,620 | VistaJet Limited | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Fort Worth Meacham International BFI–FTW | 1 | 0 | 0% | 1,652 | Global Crossing Airlines, Inc. | Mar 2025 – Mar 2026 |
| Boeing Fld/King County International → Grand Forks International BFI–GFK | 1 | 1 | 11% | 1,166 | ADVANCED AIR, LLC | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Robert Gray Army Airfield BFI–GRK | 1 | 0 | 0% | 1,722 | Air Wisconsin Airlines Corp | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Gerald R Ford International BFI–GRR | 1 | 38 | 24% | 1,806 | Allegiant Air | Mar 2026 – Mar 2026 |
| Boeing Fld/King County International → Jack Northrop Fld/Hawthorne Municipal BFI–HHR | 1 | 2 | 29% | 961 | ADVANCED AIR, LLC | Jun 2025 – Feb 2026 |
| Boeing Fld/King County International → Hong Kong BFI–HKG international | 1 | 4 | 29% | 6,497 | VistaJet Limited | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → William P Hobby BFI–HOU | 1 | 40 | 22% | 1,896 | Sun Country Airlines d/b/a... | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Westchester County BFI–HPN | 1 | 47 | 65% | 2,410 | Delta Air Lines Inc. | May 2025 – Nov 2025 |
| Boeing Fld/King County International → Wichita Dwight D Eisenhower Ntl BFI–ICT | 1 | 0 | | 1,431 | United Parcel Service | May 2026 – May 2026 |
| Boeing Fld/King County International → Wilmington Air Park BFI–ILN | 1 | 0 | | 1,992 | ABX Air Inc | May 2026 – May 2026 |
| Boeing Fld/King County International → Indianapolis International BFI–IND | 1 | 0 | 0% | 1,866 | Omni Air International LLC | Mar 2025 – Jan 2026 |
| Boeing Fld/King County International → Jackson Hole BFI–JAC | 1 | 3 | 50% | 622 | Kenmore Air Harbor | Feb 2026 – Feb 2026 |
| Boeing Fld/King County International → Southwest Washington Regional BFI–KLS | 1 | 6 | 100% | 102 | Kenmore Air Harbor | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Klawock BFI–KLW | 1 | 0 | 0% | 723 | Air Excursions LLC | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Purdue University BFI–LAF | 1 | 96 | 53% | 1,813 | Allegiant Air | Jan 2025 – Nov 2025 |
| Boeing Fld/King County International → Paris BFI–LBG international | 1 | 2 | 11% | 5,011 | Avcon Jet AG | Jan 2025 – Jan 2026 |
| Boeing Fld/King County International → Lincoln BFI–LNK | 1 | 0 | 0% | 1,343 | Brenzil Pty. Ltd. d/b/a... | Feb 2025 – Dec 2025 |
| Boeing Fld/King County International → Laredo International BFI–LRD | 1 | 0 | | 1,850 | Ameristar Air Cargo | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Lewiston/Nez Perce County BFI–LWS | 1 | 158 | 89% | 263 | Alaska Airlines Inc. | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → Madrid BFI–MAD international | 1 | 1 | 8% | 5,305 | Gestair, S.A. | May 2025 – May 2026 |
| Boeing Fld/King County International → Nampa Municipal BFI–MAN international | 1 | 0 | 0% | 4,646 | Britannia Airways Ltd. | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → General Mitchell International BFI–MKE | 1 | 68 | 29% | 1,694 | United Air Lines Inc. | Jul 2025 – Sep 2025 |
| Boeing Fld/King County International → Grant County International BFI–MWH | 1 | 2 | 22% | 142 | Air Excursions LLC | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Mazatlan BFI–MZT international | 1 | 51 | 75% | 1,900 | Sun Country Airlines d/b/a... | Aug 2025 – Aug 2025 |
| Boeing Fld/King County International → Moffett Federal Airfield BFI–NUQ | 1 | 5 | 71% | 698 | ADVANCED AIR, LLC | Jan 2026 – Jan 2026 |
| Boeing Fld/King County International → Kahului BFI–OGG | 1 | 8 | 80% | 2,643 | Chartright Air Inc. | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Tokyo BFI–OKO international | 1 | 0 | 0% | 4,809 | Omni Air International LLC | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → Olympia Regional BFI–OLM | 1 | 2 | 33% | 48 | Kenmore Air Harbor | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Bend BFI–OR4 | 1 | 2 | 33% | 243 | Kenmore Air Harbor | Jun 2025 – Jun 2026 |
| Boeing Fld/King County International → Southwest Oregon Regional BFI–OTH | 1 | 4 | 67% | 299 | Kenmore Air Harbor | Mar 2025 – Oct 2025 |
| Boeing Fld/King County International → Puebla BFI–PBC international | 1 | 48 | 26% | 2,375 | Sun Country Airlines d/b/a... | Aug 2025 – Aug 2025 |
| Boeing Fld/King County International → Beijing BFI–PEK international | 1 | 5 | 36% | 5,403 | VistaJet Limited | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Page Municipal BFI–PGA | 1 | 2 | 33% | 918 | Scott Aviation, LLC d/b/a... | Dec 2025 – Dec 2025 |
| Boeing Fld/King County International → Pittsburgh International BFI–PIT | 1 | 62 | 86% | 2,124 | Delta Air Lines Inc. | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Papeete BFI–PPT international | 1 | 6 | 43% | 4,788 | Air Alsie A/S | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Palm Springs International BFI–PSP | 1 | 2 | 22% | 992 | ADVANCED AIR, LLC | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Oakland County International BFI–PTK | 1 | 71 | 99% | 1,911 | Delta Air Lines Inc. | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Bonners Ferry BFI–QQL | 1 | 0 | 0% | 290 | Kenmore Air Harbor | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → Raleigh-Durham International BFI–RDU | 1 | 52 | 74% | 2,354 | Air Canada | Mar 2025 – Jan 2026 |
| Boeing Fld/King County International → Richland BFI–RLD | 1 | 4 | 67% | 165 | Kenmore Air Harbor | Apr 2026 – Apr 2026 |
| Boeing Fld/King County International → Renton Municipal BFI–RNT | 1 | 0 | 0% | 5 | Kenmore Air Harbor | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Shanghai BFI–SHA international | 1 | 3 | 21% | 5,733 | VistaJet Limited | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Luis Munoz Marin International BFI–SJU | 1 | 1 | 7% | 3,729 | VistaJet Limited | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → Shannon BFI–SNN international | 1 | 7 | 58% | 4,497 | AVCON JET MALTA LTD | May 2026 – May 2026 |
| Boeing Fld/King County International → Sequim BFI–SQV | 1 | 0 | 0% | 57 | Kenmore Air Harbor | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → London BFI–STN international | 1 | 4 | 7% | 4,791 | Titan Airways | Feb 2025 – May 2026 |
| Boeing Fld/King County International → Friedman Memorial BFI–SUN | 1 | 1 | 17% | 478 | Kenmore Air Harbor | Feb 2025 – Feb 2026 |
| Boeing Fld/King County International → Rosebud Sioux Tribal BFI–SUO | 1 | 0 | 0% | 256 | Kenmore Air Harbor | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Stornoway BFI–SYY international | 1 | 2 | 14% | 4,289 | VistaJet Limited | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Teterboro BFI–TEB | 1 | 1 | 7% | 2,400 | Jet Aviation Flight Services, Inc. | Mar 2025 – Oct 2025 |
| Boeing Fld/King County International → Truckee BFI–TKF | 1 | 3 | 50% | 577 | Kenmore Air Harbor | Aug 2025 – Aug 2025 |
| Boeing Fld/King County International → Portland-Troutdale BFI–TTD | 1 | 4 | 67% | 137 | Kenmore Air Harbor | Sep 2025 – Sep 2025 |
| Boeing Fld/King County International → Waukegan Ntl BFI–UGN | 1 | 0 | 0% | 1,709 | Jet Aviation Flight Services, Inc. | Jun 2026 – Jun 2026 |
| Boeing Fld/King County International → Ukiah Municipal BFI–UKI | 1 | 0 | 0% | 582 | Kenmore Air Harbor | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Petaluma BFI–UXK | 1 | 4 | 67% | 640 | Kenmore Air Harbor | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Pearson Field BFI–VUO | 1 | 1 | 17% | 133 | Kenmore Air Harbor | May 2026 – May 2026 |
| Boeing Fld/King County International → Northwest Arkansas Ntl BFI–XNA | 1 | 4 | 36% | 1,626 | Jet Aviation Flight Services, Inc. | Jul 2026 – Jul 2026 |
| Boeing Fld/King County International → Montreal BFI–YHU international | 1 | 54 | 77% | 2,296 | Air Canada | Mar 2025 – Oct 2025 |
| Boeing Fld/King County International → Kamloops BFI–YKA international | 1 | 3 | 50% | 235 | Kenmore Air Harbor | Jan 2025 – Jan 2026 |
| Boeing Fld/King County International → Peterborough BFI–YPQ international | 1 | 1 | 11% | 2,103 | Chartright Air Inc. | Nov 2025 – Nov 2025 |
| Boeing Fld/King County International → Montreal BFI–YUL international | 1 | 53 | 76% | 2,283 | Air Canada | Oct 2025 – Oct 2025 |
| Boeing Fld/King County International → Goose Bay BFI–YYR international | 1 | 1 | 11% | 2,675 | Pontair Ltd. | May 2026 – May 2026 |