$125+ Cheap flights from Eugene (EUG) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Cheapest flights from Eugene to IllinoisExplore the most affordable flight options available from Eugene to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Eugene to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Booking.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:00 pm
EUG
- ORD
1 stop11h 00m
Alaska Airlines
Sat 8/157:17 pm
ORD
- EUG
1 stop6h 42m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:15 pm
EUG
- ORD
Nonstop4h 11m
United Airlines
Sun 10/258:45 am
ORD
- EUG
Nonstop4h 48m
United Airlines
Deal found 6/22![United Airlines logo]()
$329
This Travelocity deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:34 pm
EUG
- ORD
1 stop14h 26m
Alaska Airlines
Tue 8/46:00 am
ORD
- EUG
1 stop9h 01m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$333
This Trip.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:50 am
EUG
- ORD
1 stop9h 07m
Alaska Airlines
Wed 8/126:00 am
ORD
- EUG
1 stop9h 01m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:19 pm
EUG
- ORD
Nonstop4h 11m
United Airlines
Tue 9/156:00 am
ORD
- EUG
1 stop8h 55m
United Airlines
Deal found 6/22![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:17 pm
EUG
- MLI
1 stop6h 44m
United Airlines
Tue 11/38:50 am
MLI
- EUG
1 stop6h 24m
United Airlines
Deal found 6/22![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Tue 8/45:56 pm
ORD
- EUG
1 stop8h 03m
Delta
Deal found 6/19![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:15 am
EUG
- MDW
1 stop7h 30m
Southwest
Sat 8/156:50 am
MDW
- EUG
1 stop6h 00m
Southwest
Deal found 6/22![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:55 pm
EUG
- MDW
1 stop5h 50m
Southwest
Mon 8/246:15 am
MDW
- EUG
2 stops8h 25m
Southwest
Deal found 6/22![Southwest logo]()
$350
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:10 am
EUG
- ORD
1 stop8h 48m
Delta
Wed 9/93:55 pm
ORD
- EUG
2 stops10h 04m
Delta
Deal found 6/22![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:51 pm
EUG
- ORD
2 stops12h 06m
Delta
Mon 9/211:55 pm
ORD
- EUG
2 stops11h 52m
Delta
Deal found 6/22![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:40 pm
EUG
- MDW
2 stops15h 12m
Delta
Mon 12/76:00 am
MDW
- EUG
2 stops11h 58m
Delta
Deal found 6/23![Delta logo]()
$359
Best flights from Eugene to IllinoisDiscover carefully curated flight deals from Eugene to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Eugene to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:15 pm
EUG
- ORD
Nonstop4h 11m
United Airlines
Sun 10/258:45 am
ORD
- EUG
Nonstop4h 48m
United Airlines
Deal found 6/19![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:08 pm
EUG
- ORD
1 stop6h 51m
Alaska Airlines
Tue 9/152:18 pm
ORD
- EUG
1 stop8h 06m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Wed 7/225:55 pm
ORD
- EUG
1 stop7h 56m
Delta
Deal found 6/19![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:55 pm
EUG
- MDW
1 stop5h 50m
Southwest
Mon 8/246:40 am
MDW
- EUG
1 stop7h 00m
Southwest
Deal found 6/21![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:17 pm
EUG
- ORD
Nonstop4h 13m
United Airlines
Wed 11/183:51 pm
ORD
- EUG
1 stop8h 47m
United Airlines
Deal found 6/22![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Tue 8/45:56 pm
ORD
- EUG
1 stop8h 03m
Delta
Deal found 6/18![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am
EUG
- MDW
1 stop5h 40m
Southwest
Tue 9/156:50 am
MDW
- EUG
1 stop8h 05m
Southwest
Deal found 6/22![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:30 pm
EUG
- ORD
1 stop9h 16m
Delta
Wed 12/912:40 pm
ORD
- EUG
1 stop6h 33m
Delta
Deal found 6/20![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:15 am
EUG
- MDW
2 stops9h 35m
Southwest
Sat 8/155:05 pm
MDW
- EUG
1 stop6h 10m
Southwest
Deal found 6/22![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am
EUG
- STL
1 stop6h 15m
Alaska Airlines
Wed 11/47:00 am
STL
- EUG
1 stop7h 55m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:47 pm
EUG
- STL
1 stop5h 59m
United Airlines
Tue 9/84:40 pm
STL
- EUG
1 stop6h 37m
United Airlines
Deal found 6/22![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:29 pm
EUG
- ORD
1 stop9h 00m
Delta
Sat 8/157:48 am
ORD
- EUG
2 stops11h 15m
Delta
Deal found 6/22![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:45 pm
EUG
- MDW
1 stop7h 30m
Southwest
Tue 8/46:40 am
MDW
- EUG
1 stop5h 55m
Southwest
Deal found 6/20![Southwest logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
EUG
- SPI
2 stops15h 39m
American Airlines
Sat 7/115:00 am
SPI
- EUG
2 stops20h 17m
American Airlines
Deal found 6/22![American Airlines logo]()
$933
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:15 am
EUG
- ORD
1 stop8h 59m
Delta
Mon 12/71:35 pm
ORD
- EUG
2 stops12h 18m
Delta
Deal found 6/23![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:50 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Sun 7/128:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:40 pm
EUG
- MDW
1 stop8h 20m
Southwest
Fri 7/245:15 am
MDW
- EUG
2 stops10h 50m
Southwest
Deal found 6/18![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:20 am
EUG
- MDW
2 stops9h 39m
Delta
Wed 9/92:00 pm
MDW
- EUG
2 stops11h 59m
Delta
Deal found 6/19![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:19 pm
EUG
- MLI
1 stop6h 55m
United Airlines
Wed 8/265:40 am
MLI
- EUG
1 stop9h 30m
United Airlines
Deal found 6/18![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:40 pm
EUG
- MDW
2 stops15h 12m
Delta
Mon 12/71:00 pm
MDW
- EUG
2 stops12h 53m
Delta
Deal found 6/18![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:40 pm
EUG
- STL
1 stop7h 15m
Southwest
Tue 7/288:30 am
STL
- EUG
1 stop7h 35m
Southwest
Deal found 6/21![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:17 pm
EUG
- MLI
1 stop6h 44m
United Airlines
Sat 10/316:30 am
MLI
- EUG
1 stop7h 03m
United Airlines
Deal found 6/22![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:40 pm
EUG
- STL
1 stop5h 56m
Delta
Tue 10/277:55 pm
STL
- EUG
1 stop5h 58m
Delta
Deal found 6/22![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:57 pm
EUG
- PIA
1 stop5h 50m
United Airlines
Sat 11/1410:43 am
PIA
- EUG
2 stops13h 55m
United Airlines
Deal found 6/19![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:17 pm
EUG
- PIA
1 stop6h 31m
United Airlines
Tue 11/310:43 am
PIA
- EUG
2 stops13h 01m
United Airlines
Deal found 6/22![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:50 pm
EUG
- MLI
1 stop8h 26m
United Airlines
Wed 7/156:30 am
MLI
- EUG
1 stop7h 07m
United Airlines
Deal found 6/21![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:47 pm
EUG
- PIA
1 stop6h 03m
United Airlines
Sat 9/58:29 am
PIA
- EUG
1 stop6h 41m
United Airlines
Deal found 6/21![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:49 pm
EUG
- PIA
2 stops13h 20m
United Airlines
Wed 8/128:29 am
PIA
- EUG
1 stop6h 41m
United Airlines
Deal found 6/21![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:19 pm
EUG
- PIA
1 stop6h 24m
United Airlines
Tue 8/185:45 am
PIA
- EUG
1 stop9h 25m
United Airlines
Deal found 6/22![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:15 pm
EUG
- PIA
1 stop6h 43m
United Airlines
Mon 10/126:15 am
PIA
- EUG
1 stop7h 35m
United Airlines
Deal found 6/20![United Airlines logo]()
$619
Last-minute flights from Eugene to IllinoisDiscover last-minute flight deals from Eugene to Illinois. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Illinois. Data last updated June 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:34 pm
EUG
- ORD
1 stop14h 26m
Alaska Airlines
Thu 7/98:20 pm
ORD
- EUG
1 stop14h 47m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Sun 7/126:55 am
ORD
- EUG
1 stop8h 03m
Delta
Deal found 6/19![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Thu 7/236:55 am
ORD
- EUG
1 stop8h 03m
Delta
Deal found 6/20![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:50 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Sun 7/196:00 am
ORD
- EUG
1 stop8h 57m
United Airlines
Deal found 6/23![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:50 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Mon 7/208:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 6/18![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:39 pm
EUG
- ORD
1 stop9h 12m
American Airlines
Mon 7/205:19 pm
ORD
- EUG
1 stop7h 58m
American Airlines
Deal found 6/18![American Airlines logo]()
$383
This Travelocity deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:34 pm
EUG
- ORD
1 stop14h 26m
Alaska Airlines
Tue 8/46:00 am
ORD
- EUG
1 stop9h 01m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:59 pm
EUG
- ORD
1 stop7h 00m
United Airlines
Tue 8/48:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:55 pm
EUG
- MDW
2 stops9h 30m
Southwest
Tue 8/46:40 am
MDW
- EUG
1 stop5h 55m
Southwest
Deal found 6/22![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:59 pm
EUG
- ORD
1 stop9h 00m
United Airlines
Mon 7/278:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 6/18![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:32 pm
EUG
- ORD
1 stop9h 06m
Delta
Tue 8/45:56 pm
ORD
- EUG
1 stop8h 03m
Delta
Deal found 6/19![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:45 pm
EUG
- MDW
1 stop7h 30m
Southwest
Tue 8/46:40 am
MDW
- EUG
1 stop5h 55m
Southwest
Deal found 6/20![Southwest logo]()
$383
One-way flights from Eugene to IllinoisSearch for one-way flight options from Eugene to Illinois. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Eugene to Illinois. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 pm
EUG
- STL
1 stop21h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$125
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:29 pm
EUG
- ORD
1 stop7h 30m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$159
This CheapOair deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:35 pm
EUG
- ORD
1 stop8h 45m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:55 pm
EUG
- MDW
1 stop9h 05m
Southwest
Deal found 6/20![Southwest logo]()
$175
This Expedia deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:34 pm
EUG
- ORD
1 stop14h 26m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$180
This Trip.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:29 pm
EUG
- ORD
1 stop7h 30m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$182
This Booking.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:29 pm
EUG
- ORD
1 stop7h 30m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:55 pm
EUG
- ORD
1 stop9h 42m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$186
This Priceline deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:50 am
EUG
- ORD
1 stop9h 47m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$187
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:43 pm
EUG
- ORD
1 stop10h 37m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:20 pm
EUG
- MDW
1 stop9h 40m
Southwest
Deal found 6/22![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:47 pm
EUG
- ORD
2 stops11h 14m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$197
Find flight deals from Eugene to Illinois
Keep the following information in mind while searching for Eugene to Illinois flight deals. Data was last updated June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (Booking.com) |
One-way from | $125 (Kiwi.com) |
Popular in | March |
Cheapest in | May |
Average price | $438 |
Good round-trip deal | $429 or less |
Good one-way deal | $209 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Eugene to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Eugene to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
EugeneChicago
EUG - ORD
EUGORD
Eugene
Fri 10/23
2:15 pm-8:26 pm
Nonstop4h 11m
Chicago O'Hare Intl
Sun 10/25
8:45 am-11:33 am
Nonstop4h 48m
$329
EugeneChicago
EUG - ORD
EUGORD
Eugene
Sat 9/12
3:08 pm-11:59 pm
1 stop6h 51m
Chicago O'Hare Intl
Tue 9/15
2:18 pm-8:24 pm
1 stop8h 06m
$333
EugeneChicago
EUG - ORD
EUGORD
Eugene
Sun 11/1
2:17 pm-8:30 pm
Nonstop4h 13m
Chicago O'Hare Intl
Wed 11/18
3:51 pm-10:38 pm
1 stop8h 47m
$339
EugeneChicago
EUG - ORD
EUGORD
Eugene
Tue 7/14
12:32 pm-11:38 pm
1 stop9h 06m
Chicago O'Hare Intl
Wed 7/22
5:55 pm-11:51 pm
1 stop7h 56m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Sat 8/22
12:55 pm-8:45 pm
1 stop5h 50m
Chicago Midway
Mon 8/24
6:40 am-11:40 am
1 stop7h 00m
$349
EugeneChicago
EUG - ORD
EUGORD
Eugene
Wed 7/29
12:32 pm-11:38 pm
1 stop9h 06m
Chicago O'Hare Intl
Tue 8/4
5:56 pm-11:59 pm
1 stop8h 03m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Wed 9/9
6:40 am-2:20 pm
1 stop5h 40m
Chicago Midway
Tue 9/15
6:50 am-12:55 pm
1 stop8h 05m
$349
EugeneChicago
EUG - ORD
EUGORD
Eugene
Tue 12/1
12:30 pm-11:46 pm
1 stop9h 16m
Chicago O'Hare Intl
Wed 12/9
12:40 pm-5:13 pm
1 stop6h 33m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Wed 8/5
11:15 am-10:50 pm
2 stops9h 35m
Chicago Midway
Sat 8/15
5:05 pm-9:15 pm
1 stop6h 10m
$354
EugeneChicago
EUG - ORD
EUGORD
Eugene
Wed 8/5
12:29 pm-11:29 pm
1 stop9h 00m
Chicago O'Hare Intl
Sat 8/15
7:48 am-5:03 pm
2 stops11h 15m
$354
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Eugene to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Eugene with our price prediction graph.
EUG-ORD
EUG-MDW
EUG-STL
EUG-SPI
EUG-MLI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Eugene to Illinois
EUG-USIL
EUG-ORD
EUG-MDW
EUG-STL
EUG-SPI
What is the cheapest month to book a flight from Eugene to Illinois?
Currently, November is the cheapest month in which you can book a flight from Eugene to Illinois (average of $104). Flying from Eugene to Illinois in July is currently the most expensive (average of $277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from EUG to IL?
Find hourly flight availability from Eugene to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Eugene to Illinois as you normally would.
How much does it cost to fly round-trip from Eugene to Illinois?
How far ahead should I book a flight from Eugene to Illinois?
To ensure you get the cheapest price possible for a flight from Eugene to Illinois, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 23, 2026.
Read through reviews of airlines operating flights from Eugene to Illinois, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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Alternative routes for Eugene to Illinois
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Complete your trip
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Eugene and Illinois flights
Browse other Eugene and Illinois flight options. Last updated on June 23, 2026.
Popular flight searches
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Eugene to Illinois flights
Consider these flights traveling from Eugene to Illinois.
Top 4 airlines flying from Eugene to Illinois
Discover the top 4 airlines that operate flights from Eugene to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$279 | Average$396 | FlexibilityNo cancel fee | On-time69% |