| Mahlon Sweet Field → Seattle-Tacoma International EUG–SEA | 2,609 | 162,338 | 72% | 234 | SkyWest Airlines Inc., Horizon Air, Alaska Airlines Inc., Sun Country Airlines d/b/a... +1 | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Portland International EUG–PDX | 1,409 | 47,101 | 65% | 105 | SkyWest Airlines Inc., Horizon Air, Federal Express Corporation, Empire Airlines Inc. +4 | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Denver International EUG–DEN | 1,252 | 158,835 | 83% | 996 | United Air Lines Inc., Southwest Airlines Co., SkyWest Airlines Inc. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → San Francisco International EUG–SFO | 985 | 94,543 | 69% | 451 | United Air Lines Inc., SkyWest Airlines Inc., Horizon Air | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Salt Lake City International EUG–SLC | 772 | 44,967 | 80% | 618 | SkyWest Airlines Inc., United Air Lines Inc., Southwest Airlines Co. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Los Angeles International EUG–LAX | 647 | 42,998 | 71% | 748 | SkyWest Airlines Inc., Horizon Air, Alaska Airlines Inc., Sun Country Airlines d/b/a... +3 | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → San Diego International EUG–SAN | 632 | 47,926 | 72% | 850 | SkyWest Airlines Inc., Horizon Air, Southwest Airlines Co., Alaska Airlines Inc. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Phoenix Sky Harbor International EUG–PHX | 625 | 54,889 | 75% | 952 | American Airlines Inc., Envoy Air, SkyWest Airlines Inc., CFM Inc d/b/a Contour... +1 | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Harry Reid International EUG–LAS | 472 | 59,160 | 78% | 700 | Southwest Airlines Co., Allegiant Air, American Airlines Inc. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Sacramento International EUG–SMF | 363 | 32,004 | 58% | 384 | Southwest Airlines Co. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Hollywood Burbank EUG–BUR | 319 | 19,433 | 72% | 732 | SkyWest Airlines Inc., TEM Enterprises dba Avelo Airlines, Horizon Air | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Mineta San Jose International EUG–SJC | 261 | 25,332 | 65% | 471 | Southwest Airlines Co. | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Oakland San Francisco Bay EUG–OAK | 220 | 21,742 | 66% | 445 | Southwest Airlines Co., Delta Air Lines Inc. | Jan 2025 – Mar 2026 |
| Mahlon Sweet Field → Phoenix EUG–AZA | 118 | 18,166 | 86% | 971 | Allegiant Air, TEM Enterprises dba Avelo Airlines | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Chicago O'Hare International EUG–ORD | 96 | 9,654 | 73% | 1,780 | United Air Lines Inc., Eastern Air Express, LLC (EAX), Alaska Airlines Inc., Allegiant Air +1 | Feb 2025 – Jul 2026 |
| Mahlon Sweet Field → John Wayne/Orange County EUG–SNA | 77 | 11,071 | 87% | 776 | Allegiant Air | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Mahlon Sweet Field EUG–EUG | 26 | 0 | 0% | 0 | SkyWest Airlines Inc. | Feb 2025 – Jul 2026 |
| Mahlon Sweet Field → Minneapolis-St Paul Intl/Wold-Chamberlain EUG–MSP | 9 | 430 | 26% | 1,474 | Sun Country Airlines d/b/a... | Jun 2025 – Jun 2026 |
| Mahlon Sweet Field → Rogue Valley Intl/Medford EUG–MFR | 8 | 244 | 41% | 122 | SkyWest Airlines Inc., Horizon Air | Nov 2025 – Apr 2026 |
| Mahlon Sweet Field → Dallas-Fort Worth International EUG–DFW | 6 | 783 | 83% | 1,606 | American Airlines Inc. | Jan 2025 – Oct 2025 |
| Mahlon Sweet Field → Boeing Fld/King County International EUG–BFI | 5 | 244 | 43% | 239 | Sun Country Airlines d/b/a..., Alaska Airlines Inc., Kenmore Air Harbor, Air Excursions LLC | Jan 2025 – Jul 2026 |
| Mahlon Sweet Field → Boise Air Trml/Gowen Field EUG–BOI | 5 | 0 | 0% | 351 | SkyWest Airlines Inc., Sun Country Airlines d/b/a... | Jan 2025 – Apr 2026 |
| Mahlon Sweet Field → Miami International EUG–MIA | 5 | 668 | 67% | 2,704 | Alaska Airlines Inc., American Airlines Inc., Global Crossing Airlines, Inc., Omni Air International LLC | Jan 2025 – Feb 2026 |
| Mahlon Sweet Field → Hartsfield/Jackson Atlanta International EUG–ATL | 4 | 526 | 59% | 2,189 | Alaska Airlines Inc., Eastern Air Express, LLC (EAX), Omni Air International LLC | Jan 2026 – Mar 2026 |
| Mahlon Sweet Field → Fresno Yosemite International EUG–FAT | 4 | 157 | 38% | 539 | SkyWest Airlines Inc., Allegiant Air | Sep 2025 – Mar 2026 |
| Mahlon Sweet Field → Grand Junction Regional EUG–GJT | 4 | 552 | 92% | 834 | United Air Lines Inc. | Jul 2025 – Jul 2026 |
| Mahlon Sweet Field → Southwest Oregon Regional EUG–OTH | 4 | 0 | 0% | 71 | SkyWest Airlines Inc. | Feb 2025 – Mar 2026 |
| Mahlon Sweet Field → State College EUG–SCE | 4 | 237 | 41% | 2,299 | KaiserAir, Inc., Eastern Air Express, LLC (EAX), Alaska Airlines Inc., Allegiant Air | Sep 2025 – Mar 2026 |
| Mahlon Sweet Field → City Of Colorado Springs Municipal EUG–COS | 3 | 439 | 94% | 1,026 | United Air Lines Inc. | May 2025 – May 2026 |
| Mahlon Sweet Field → Newark Liberty International EUG–EWR | 3 | 230 | 45% | 2,482 | Alaska Airlines Inc., Allegiant Air, Southwest Airlines Co. | Feb 2025 – Jan 2026 |
| Mahlon Sweet Field → Dane County Rgnl/Truax Field EUG–MSN | 3 | 377 | 73% | 1,688 | American Airlines Inc., Delta Air Lines Inc., United Air Lines Inc. | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Perot Fld/Fort Worth Alliance EUG–AFW | 2 | 0 | 0% | 1,589 | Omni Air International LLC | Jan 2026 – Jan 2026 |
| Mahlon Sweet Field → Austin-Bergstrom International EUG–AUS | 2 | 68 | 20% | 1,694 | Global Crossing Airlines, Inc., Sun Country Airlines d/b/a... | Mar 2026 – Jun 2026 |
| Mahlon Sweet Field → Monroe County EUG–BMG | 2 | 217 | 64% | 1,910 | United Air Lines Inc., Southwest Airlines Co. | Mar 2025 – Feb 2026 |
| Mahlon Sweet Field → The Eastern Iowa EUG–CID | 2 | 216 | 65% | 1,594 | Alaska Airlines Inc., Allegiant Air | May 2025 – Nov 2025 |
| Mahlon Sweet Field → John Glenn Columbus International EUG–CMH | 2 | 65 | 23% | 2,072 | Allegiant Air, Breeze Aviation Group DBA Breeze | Oct 2025 – Feb 2026 |
| Mahlon Sweet Field → University Of Illinois/Willard EUG–CMI | 2 | 86 | 63% | 1,804 | Global Crossing Airlines, Inc. | Nov 2025 – Feb 2026 |
| Mahlon Sweet Field → Indianapolis International EUG–IND | 2 | 228 | 62% | 1,911 | American Airlines Inc., Allegiant Air | Mar 2025 – Mar 2026 |
| Mahlon Sweet Field → Capital Region International EUG–LAN | 2 | 91 | 24% | 1,927 | Sun Country Airlines d/b/a... | Jan 2026 – Jan 2026 |
| Mahlon Sweet Field → Lincoln EUG–LNK | 2 | 133 | 37% | 1,364 | Allegiant Air | Jan 2025 – May 2026 |
| Mahlon Sweet Field → Chicago Midway International EUG–MDW | 2 | 56 | 25% | 1,791 | Eastern Air Express, LLC (EAX), Global Crossing Airlines, Inc. | Jan 2026 – Mar 2026 |
| Mahlon Sweet Field → Seattle Paine Field International EUG–PAE | 2 | 3 | 25% | 265 | Kenmore Air Harbor | Aug 2025 – Nov 2025 |
| Mahlon Sweet Field → Pullman/Moscow Regional EUG–PUW | 2 | 198 | 94% | 347 | Allegiant Air, CFM Inc d/b/a Contour... | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Stillwater Regional EUG–SWO | 2 | 229 | 59% | 1,481 | Sun Country Airlines d/b/a..., United Air Lines Inc. | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Lehigh Valley International EUG–ABE | 1 | 166 | 88% | 2,421 | TEM Enterprises dba Avelo Airlines | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Scottsbluff/Western Nebraska Rgnl/Wm B Heilig Field EUG–BFF | 1 | 149 | 99% | 1,003 | United Air Lines Inc. | Jul 2025 – Aug 2025 |
| Mahlon Sweet Field → Meadows Field EUG–BFL | 1 | 0 | 0% | 639 | SkyWest Airlines Inc. | Jan 2026 – Jan 2026 |
| Mahlon Sweet Field → Biggs Army Airfield (Fort Bliss) EUG–BIF | 1 | 57 | 37% | 1,245 | Allegiant Air | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Baton Rouge Metro, Ryan Field EUG–BTR | 1 | 53 | 49% | 1,981 | Breeze Aviation Group DBA Breeze | Jun 2026 – Jun 2026 |
| Mahlon Sweet Field → Baltimore/Washington International Thurgood Marshall EUG–BWI | 1 | 35 | 19% | 2,401 | TEM Enterprises dba Avelo Airlines | Dec 2025 – Dec 2025 |
| Mahlon Sweet Field → Bozeman Yellowstone International EUG–BZN | 1 | 139 | 77% | 602 | Allegiant Air | Aug 2025 – Aug 2025 |
| Mahlon Sweet Field → Buchanan Field EUG–CCR | 1 | 2 | 29% | 428 | ADVANCED AIR, LLC | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Easterwood Field EUG–CLL | 1 | 174 | 97% | 1,736 | Allegiant Air | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Charlotte/Douglas International EUG–CLT | 1 | 150 | 84% | 2,308 | Alaska Airlines Inc. | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Casper/Natrona County International EUG–CPR | 1 | 145 | 97% | 844 | United Air Lines Inc. | Jun 2026 – Jun 2026 |
| Mahlon Sweet Field → Des Moines International EUG–DSM | 1 | 0 | 0% | 1,504 | SkyWest Airlines Inc. | Aug 2025 – Aug 2025 |
| Mahlon Sweet Field → Phoenix Deer Valley EUG–DVT | 1 | 30 | 100% | 935 | CFM Inc d/b/a Contour... | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Gainesville Regional EUG–GNV | 1 | 53 | 88% | 2,444 | Ameristar Air Cargo | Jun 2026 – Jun 2026 |
| Mahlon Sweet Field → Piedmont Triad International EUG–GSO | 1 | 197 | 98% | 2,330 | JetBlue Airways | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Yampa Valley EUG–HDN | 1 | 144 | 96% | 856 | United Air Lines Inc. | Jul 2025 – Sep 2025 |
| Mahlon Sweet Field → William P Hobby EUG–HOU | 1 | 178 | 96% | 1,827 | Sun Country Airlines d/b/a... | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Wichita Dwight D Eisenhower Ntl EUG–ICT | 1 | 0 | 0% | 1,415 | Southwest Airlines Co. | Jun 2025 – Jun 2026 |
| Mahlon Sweet Field → Purdue University EUG–LAF | 1 | 32 | 17% | 1,862 | Sun Country Airlines d/b/a... | Jan 2025 – Feb 2026 |
| Mahlon Sweet Field → Laramie Regional EUG–LAR | 1 | 78 | 57% | 912 | Southwest Airlines Co. | Mar 2026 – Mar 2026 |
| Mahlon Sweet Field → Lubbock Preston Smith International EUG–LBB | 1 | 152 | 85% | 1,354 | Alaska Airlines Inc. | Jul 2025 – Sep 2025 |
| Mahlon Sweet Field → Rickenbacker International EUG–LCK | 1 | 234 | 81% | 2,075 | National Air Cargo Group... | Dec 2025 – Dec 2025 |
| Mahlon Sweet Field → Long Beach (Daugherty Field) EUG–LGB | 1 | 112 | 78% | 761 | Southwest Airlines Co. | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Lewiston/Nez Perce County EUG–LWS | 1 | 144 | 81% | 340 | Alaska Airlines Inc. | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Midland International Air And Space Port EUG–MAF | 1 | 71 | 95% | 1,414 | CommuteAir LLC dba CommuteAir | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Harrisburg International EUG–MDT | 1 | 137 | 72% | 2,369 | American Airlines Inc. | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Manhattan Regional EUG–MHK | 1 | 170 | 96% | 1,410 | Alaska Airlines Inc. | Apr 2025 – Apr 2026 |
| Mahlon Sweet Field → General Mitchell International EUG–MKE | 1 | 52 | 87% | 1,762 | Ameristar Air Cargo | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Okc Will Rogers International EUG–OKC | 1 | 153 | 87% | 1,483 | Southwest Airlines Co. | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Ontario International EUG–ONT | 1 | 58 | 36% | 757 | Alaska Airlines Inc. | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → Page Municipal EUG–PGA | 1 | 0 | 0% | 793 | CFM Inc d/b/a Contour... | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Tri-Cities EUG–PSC | 1 | 0 | 0% | 248 | SkyWest Airlines Inc. | Sep 2025 – Sep 2025 |
| Mahlon Sweet Field → Roberts Fld/Redmond Municipal EUG–RDM | 1 | 0 | 0% | 103 | SkyWest Airlines Inc. | Jun 2026 – Jun 2026 |
| Mahlon Sweet Field → Richmond International EUG–RIC | 1 | 0 | 0% | 2,416 | National Air Cargo Group... | Dec 2025 – Dec 2025 |
| Mahlon Sweet Field → Sheridan County EUG–SHR | 1 | 47 | 94% | 803 | Air Wisconsin Airlines Corp | Oct 2025 – Oct 2025 |
| Mahlon Sweet Field → San Jose del Cabo EUG–SJD international | 1 | 5 | 56% | 1,636 | ADVANCED AIR, LLC | Jul 2026 – Jul 2026 |
| Mahlon Sweet Field → St. Cloud Sky Central EUG–STC | 1 | 0 | 0% | 1,428 | SkyWest Airlines Inc. | Feb 2026 – Feb 2026 |
| Mahlon Sweet Field → Rosebud Sioux Tribal EUG–SUO | 1 | 0 | 0% | 89 | Kenmore Air Harbor | Aug 2025 – Aug 2025 |
| Mahlon Sweet Field → Tulsa International EUG–TUL | 1 | 150 | 84% | 1,537 | Alaska Airlines Inc. | Nov 2025 – Nov 2025 |
| Mahlon Sweet Field → Tucson International EUG–TUS | 1 | 73 | 96% | 1,061 | Envoy Air | Jul 2026 – Jul 2026 |
| Mahlon Sweet Field → Van Nuys EUG–VNY | 1 | 0 | 0% | 729 | Jet Aviation Flight Services, Inc. | Jul 2026 – Jul 2026 |
| Mahlon Sweet Field → Northwest Arkansas Ntl EUG–XNA | 1 | 65 | 36% | 1,612 | Allegiant Air | Jan 2025 – Jan 2026 |
| Mahlon Sweet Field → Willow Run EUG–YIP | 1 | 48 | 26% | 1,990 | Sun Country Airlines d/b/a... | Apr 2025 – Jan 2026 |