$174+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Jun 6 — Jun 131
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 May 7, 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 May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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 9/312:25 pm
EUG
- ORD
Nonstop4h 09m
United Airlines
Sun 9/68:45 am
ORD
- EUG
Nonstop4h 28m
United Airlines
Deal found 5/6![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/261:59 pm
EUG
- ORD
1 stop9h 00m
United Airlines
Mon 6/298:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 9/227:35 pm
EUG
- ORD
1 stop8h 47m
Alaska Airlines
Wed 9/239:00 am
ORD
- EUG
1 stop6h 44m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 5/297:09 am
EUG
- ORD
1 stop9h 41m
Alaska Airlines
Mon 6/17:49 pm
ORD
- EUG
1 stop15h 52m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 6/252:45 pm
EUG
- MDW
1 stop7h 25m
Southwest
Fri 7/36:00 pm
MDW
- EUG
1 stop6h 40m
Southwest
Deal found 5/2![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 5/5. 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 5/296:15 am
EUG
- ORD
2 stops13h 35m
Delta
Mon 6/17:45 am
ORD
- EUG
1 stop6h 01m
Delta
Deal found 5/5![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 5/6. 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.
Sat 5/305:10 am
EUG
- STL
1 stop6h 22m
Delta
Sat 6/65:00 pm
STL
- EUG
1 stop7h 31m
Delta
Deal found 5/6![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/4. 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 5/296:15 am
EUG
- ORD
2 stops13h 35m
Delta
Tue 6/25:19 pm
ORD
- EUG
2 stops8h 24m
Delta
Deal found 5/4![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/512:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Mon 6/88:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/6![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 5/2312:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Wed 5/279:07 am
ORD
- EUG
Nonstop4h 40m
United Airlines
Deal found 5/4![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 5/3. 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 6/510:15 am
EUG
- MDW
2 stops12h 20m
Southwest
Tue 6/95:30 am
MDW
- EUG
2 stops9h 30m
Southwest
Deal found 5/3![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/312:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Wed 6/106:13 am
ORD
- EUG
1 stop7h 48m
United Airlines
Deal found 5/4![United Airlines logo]()
$371
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 May 7, 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 May 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 5/2812:08 pm
EUG
- ORD
1 stop9h 47m
Alaska Airlines
Mon 6/17:49 pm
ORD
- EUG
1 stop15h 52m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 6/252:45 pm
EUG
- MDW
1 stop7h 25m
Southwest
Fri 7/36:00 pm
MDW
- EUG
1 stop6h 40m
Southwest
Deal found 5/2![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 5/4. 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 5/286:15 am
EUG
- ORD
2 stops10h 35m
Delta
Mon 6/17:45 am
ORD
- EUG
1 stop6h 01m
Delta
Deal found 5/4![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sat 5/2312:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Tue 5/268:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/2![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Fri 6/54:08 pm
EUG
- ORD
1 stop12h 12m
Alaska Airlines
Tue 6/99:00 am
ORD
- EUG
1 stop14h 39m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 5/3. 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 6/54:55 pm
EUG
- MDW
1 stop6h 30m
Southwest
Tue 6/95:30 am
MDW
- EUG
1 stop6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 5/3. 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 6/56:15 am
EUG
- ORD
2 stops13h 35m
Delta
Tue 6/96:55 am
ORD
- EUG
1 stop8h 04m
Delta
Deal found 5/3![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 5/2. 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 6/226:40 pm
EUG
- MDW
1 stop8h 20m
Southwest
Mon 6/295:15 am
MDW
- EUG
1 stop6h 20m
Southwest
Deal found 5/2![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 5/4. 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 9/1412:30 pm
EUG
- ORD
1 stop9h 17m
Delta
Mon 9/211:35 pm
ORD
- EUG
2 stops12h 19m
Delta
Deal found 5/4![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/2512:43 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Fri 7/38:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/2![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 5/3. 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 6/262:45 pm
EUG
- MDW
2 stops8h 15m
Southwest
Mon 6/295:15 am
MDW
- EUG
1 stop6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 9/226:05 am
EUG
- STL
1 stop6h 16m
Alaska Airlines
Wed 9/235:59 pm
STL
- EUG
1 stop6h 42m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 5/3. 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 7/216:15 am
EUG
- ORD
1 stop8h 28m
Delta
Sun 7/266:55 am
ORD
- EUG
1 stop8h 03m
Delta
Deal found 5/3![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 10/201:49 pm
EUG
- STL
1 stop8h 10m
Alaska Airlines
Tue 10/277:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 5/5. 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 7/285:55 pm
EUG
- MDW
1 stop9h 05m
Southwest
Tue 8/44:40 pm
MDW
- EUG
2 stops7h 50m
Southwest
Deal found 5/5![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 5/2. 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.
Sat 5/301:35 pm
EUG
- STL
2 stops7h 46m
Delta
Sat 6/67:00 am
STL
- EUG
2 stops11h 59m
Delta
Deal found 5/2![Delta logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 8/256:05 am
EUG
- STL
1 stop5h 59m
Alaska Airlines
Wed 8/266:00 am
STL
- EUG
1 stop9h 37m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 9/312:20 pm
EUG
- MDW
2 stops7h 35m
Southwest
Sun 9/66:50 am
MDW
- EUG
1 stop8h 05m
Southwest
Deal found 5/6![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 5/182:49 pm
EUG
- SPI
2 stops21h 30m
American Airlines
Fri 5/222:31 pm
SPI
- EUG
2 stops10h 50m
American Airlines
Deal found 5/3![American Airlines logo]()
$1,178
This Delta deal was found by Cheapflights users on 5/6. 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
2 stops13h 32m
Delta
Tue 10/273:42 pm
STL
- EUG
2 stops10h 11m
Delta
Deal found 5/6![Delta logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 5/227:59 pm
EUG
- ORD
1 stop8h 21m
Alaska Airlines
Tue 5/269:00 am
ORD
- EUG
1 stop29h 12m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 5/3. 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.
Thu 7/234:55 pm
EUG
- MDW
1 stop6h 30m
Southwest
Sun 7/266:05 am
MDW
- EUG
1 stop9h 40m
Southwest
Deal found 5/3![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 5/6. 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 5/205:10 am
EUG
- ORD
2 stops10h 55m
Delta
Sat 5/237:12 am
ORD
- EUG
1 stop7h 43m
Delta
Deal found 5/6![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Fri 10/233:01 pm
EUG
- STL
1 stop6h 58m
Alaska Airlines
Fri 10/307:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 5/5. 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 6/235:55 pm
EUG
- MDW
1 stop9h 05m
Southwest
Thu 6/254:15 pm
MDW
- EUG
1 stop8h 25m
Southwest
Deal found 5/5![Southwest logo]()
$414
This Delta deal was found by Cheapflights users on 5/4. 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 5/1912:35 pm
EUG
- ORD
1 stop9h 22m
Delta
Sat 5/231:44 pm
ORD
- EUG
2 stops10h 47m
Delta
Deal found 5/4![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 5/181:07 pm
EUG
- PIA
1 stop7h 42m
United Airlines
Fri 5/221:21 pm
PIA
- EUG
1 stop24h 16m
United Airlines
Deal found 5/3![United Airlines logo]()
$733
This Southwest deal was found by Cheapflights users on 5/5. 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 6/205:20 pm
EUG
- MDW
1 stop9h 40m
Southwest
Mon 7/135:15 am
MDW
- EUG
1 stop6h 20m
Southwest
Deal found 5/5![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/2. 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 6/194:55 pm
EUG
- STL
1 stop7h 00m
Southwest
Mon 6/226:40 pm
STL
- EUG
1 stop6h 00m
Southwest
Deal found 5/2![Southwest logo]()
$427
Last-minute flights from Eugene to IllinoisDiscover last-minute flight deals from Eugene to Illinois. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Illinois. Data last updated May 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 5/2312:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Wed 5/279:07 am
ORD
- EUG
Nonstop4h 40m
United Airlines
Deal found 5/4![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 5/3. 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 5/275:10 am
EUG
- ORD
2 stops9h 41m
Delta
Sun 5/317:12 am
ORD
- EUG
1 stop7h 43m
Delta
Deal found 5/3![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/3. 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 5/2812:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Mon 6/18:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 5/297:09 am
EUG
- ORD
1 stop9h 41m
Alaska Airlines
Mon 6/17:49 pm
ORD
- EUG
1 stop15h 52m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/5. 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 5/296:15 am
EUG
- ORD
2 stops13h 35m
Delta
Mon 6/17:45 am
ORD
- EUG
1 stop6h 01m
Delta
Deal found 5/5![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 5/4. 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 5/296:15 am
EUG
- ORD
2 stops13h 35m
Delta
Tue 6/25:19 pm
ORD
- EUG
2 stops8h 24m
Delta
Deal found 5/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/6. 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.
Sat 5/305:10 am
EUG
- STL
1 stop6h 22m
Delta
Sat 6/65:00 pm
STL
- EUG
1 stop7h 31m
Delta
Deal found 5/6![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/312:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Wed 6/106:13 am
ORD
- EUG
1 stop7h 48m
United Airlines
Deal found 5/4![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/512:38 pm
EUG
- ORD
Nonstop4h 10m
United Airlines
Mon 6/88:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/6![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 5/3. 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 6/510:15 am
EUG
- MDW
2 stops12h 20m
Southwest
Tue 6/95:30 am
MDW
- EUG
2 stops9h 30m
Southwest
Deal found 5/3![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 6/252:45 pm
EUG
- MDW
1 stop7h 25m
Southwest
Fri 7/310:05 am
MDW
- EUG
1 stop8h 10m
Southwest
Deal found 5/2![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/261:59 pm
EUG
- ORD
1 stop9h 00m
United Airlines
Mon 6/298:53 am
ORD
- EUG
Nonstop4h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$339
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 May 7, 2026.
Search for one-way flight options from Eugene to Illinois. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/312:38 pm
EUG
- STL
1 stop6h 43m
United Airlines
Deal found 5/4![United Airlines logo]()
$174
This CheapOair deal was found by Cheapflights users on 5/5. 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 9/191:18 pm
EUG
- ORD
1 stop8h 41m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 5/7. 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 6/52:45 pm
EUG
- MDW
1 stop7h 25m
Southwest
Deal found 5/7![Southwest logo]()
$175
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Wed 6/104:00 pm
EUG
- ORD
1 stop11h 00m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 7/162:45 pm
EUG
- MDW
2 stops8h 15m
Southwest
Deal found 5/6![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/79:08 pm
EUG
- STL
3 stops44h 15m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 5/4. 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 6/36:15 am
EUG
- STL
2 stops10h 48m
Delta
Deal found 5/4![Delta logo]()
$184
This Southwest deal was found by Cheapflights users on 5/5. 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 5/276:35 am
EUG
- ORD
2 stops15h 20m
Southwest
Deal found 5/5![Southwest logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/289:08 pm
EUG
- ORD
2 stops45h 35m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/412:38 pm
EUG
- STL
1 stop6h 43m
United Airlines
Deal found 5/4![United Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 5/3. 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 6/36:35 am
EUG
- MDW
2 stops8h 25m
Southwest
Deal found 5/3![Southwest logo]()
$205
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Tue 6/91:45 pm
EUG
- ORD
1 stop8h 14m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$206
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (United Airlines) |
One-way from | $174 (United Airlines) |
Popular in | October |
Cheapest in | February |
Average price | $361 |
Good round-trip deal | $428 or less |
Good one-way deal | $143 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 May 7, 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
Thu 5/28
12:08 pm-11:55 pm
1 stop9h 47m
Chicago O'Hare Intl
Mon 6/1
7:49 pm-9:41 am
1 stop15h 52m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Thu 6/25
2:45 pm-12:10 am
1 stop7h 25m
Chicago Midway
Fri 7/3
6:00 pm-10:40 pm
1 stop6h 40m
$349
EugeneChicago
EUG - ORD
EUGORD
Eugene
Fri 6/5
4:08 pm-6:20 am
1 stop12h 12m
Chicago O'Hare Intl
Tue 6/9
9:00 am-9:39 pm
1 stop14h 39m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Fri 6/5
4:55 pm-1:25 am
1 stop6h 30m
Chicago Midway
Tue 6/9
5:30 am-9:50 am
1 stop6h 20m
$349
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Mon 6/22
6:40 pm-5:00 am
1 stop8h 20m
Chicago Midway
Mon 6/29
5:15 am-9:35 am
1 stop6h 20m
$349
EugeneChicago
EUG - ORD
EUGORD
Eugene
Thu 5/28
6:15 am-6:50 pm
2 stops10h 35m
Chicago O'Hare Intl
Mon 6/1
7:45 am-11:46 am
1 stop6h 01m
$354
EugeneChicago
EUG - ORD
EUGORD
Eugene
Fri 6/5
6:15 am-9:50 pm
2 stops13h 35m
Chicago O'Hare Intl
Tue 6/9
6:55 am-12:59 pm
1 stop8h 04m
$354
EugeneChicago
EUG - ORD
EUGORD
Eugene
Mon 9/14
12:30 pm-11:47 pm
1 stop9h 17m
Chicago O'Hare Intl
Mon 9/21
1:35 pm-11:54 pm
2 stops12h 19m
$354
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Fri 6/26
2:45 pm-1:00 am
2 stops8h 15m
Chicago Midway
Mon 6/29
5:15 am-9:35 am
1 stop6h 20m
$354
Quickest round-trip
EugeneChicago
EUG - ORD
EUGORD
Eugene
Sat 5/23
12:38 pm-6:48 pm
Nonstop4h 10m
Chicago O'Hare Intl
Tue 5/26
8:53 am-11:37 am
Nonstop4h 44m
$372
Showing 1-10 of 55 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-MLI
EUG-SPI
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-MLI
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 19 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.
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 August is currently the most expensive (average of $268). 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 May 7, 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.
Weekly flight availability from Eugene to Illinois
Explore weekly flight availability from Eugene to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 7, 2026.
The most flights from EUG to USIL are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Eugene to Illinois?
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 May 7, 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.
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Eugene to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Eugene to Illinois by cabin class
Find flights from Eugene to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Eugene and Illinois flights
Browse other Eugene and Illinois flight options. Last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$312 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$255 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$279 | Average$393 | FlexibilityNo cancel fee | On-time69% |