$94+ Cheap flights from Illinois to Eugene (EUG)
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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EUG
Mar 9 — Mar 161
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Eugene with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Eugene
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to EugeneExplore the most affordable flight options available from Illinois to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
Explore the most affordable flight options available from Illinois to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
This Delta deal was found by Cheapflights users on 2/6. 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.
Fri 5/86:20 pm
ORD
- EUG
1 stop7h 30m
Delta
Tue 5/126:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/6![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 2/6. 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 4/87:20 am
ORD
- EUG
2 stops11h 50m
Delta
Wed 4/156:30 am
EUG
- ORD
1 stop8h 09m
Delta
Deal found 2/6![Delta logo]()
$192
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
ORD
- EUG
1 stop8h 30m
Alaska Airlines
Wed 4/157:17 pm
EUG
- ORD
1 stop9h 22m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. 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 4/86:12 pm
STL
- EUG
1 stop6h 34m
Delta
Wed 4/155:15 am
EUG
- STL
1 stop6h 08m
Delta
Deal found 2/3![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/6. 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 10/247:15 am
ORD
- EUG
2 stops11h 58m
Delta
Sat 10/316:15 am
EUG
- ORD
2 stops8h 34m
Delta
Deal found 2/6![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 2/6. 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 5/66:00 pm
ORD
- EUG
1 stop7h 10m
Delta
Sun 5/106:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/6![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 2/6. 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.
Thu 5/77:45 pm
ORD
- EUG
1 stop5h 58m
Delta
Tue 5/126:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/6![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 2/3. 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 3/187:15 am
STL
- EUG
1 stop6h 45m
Delta
Wed 3/2511:40 am
EUG
- STL
2 stops10h 41m
Delta
Deal found 2/3![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 2/4. 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.
Sat 5/235:00 pm
ORD
- EUG
2 stops8h 50m
Delta
Wed 6/36:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/4![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 2/4. 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 2/276:45 pm
ORD
- EUG
1 stop7h 14m
Delta
Mon 3/212:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Deal found 2/4![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 2/4. 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.
Sat 5/235:00 pm
ORD
- EUG
2 stops8h 50m
Delta
Thu 5/286:20 am
EUG
- ORD
2 stops13h 30m
Delta
Deal found 2/4![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 2/2. 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 4/115:00 pm
STL
- EUG
1 stop7h 46m
Delta
Sat 4/2512:28 pm
EUG
- STL
1 stop7h 03m
Delta
Deal found 2/2![Delta logo]()
$237
Best flights from Illinois to EugeneDiscover carefully curated flight deals from Illinois to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
Discover carefully curated flight deals from Illinois to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
ORD
- EUG
1 stop8h 30m
Alaska Airlines
Wed 4/157:17 pm
EUG
- ORD
1 stop9h 22m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/6. 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 5/66:00 pm
ORD
- EUG
1 stop7h 10m
Delta
Sun 5/106:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/6![Delta logo]()
$212
This Southwest deal was found by Cheapflights users on 2/5. 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 4/85:30 pm
MDW
- EUG
1 stop6h 30m
Southwest
Wed 4/156:35 am
EUG
- MDW
1 stop5h 40m
Southwest
Deal found 2/5![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:40 am
PIA
- EUG
2 stops14h 19m
United Airlines
Sat 5/212:57 pm
EUG
- PIA
1 stop6h 22m
United Airlines
Deal found 2/5![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 2/6. 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.
Thu 5/77:45 pm
ORD
- EUG
1 stop5h 58m
Delta
Tue 5/126:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/6![Delta logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 5/66:00 am
ORD
- EUG
1 stop8h 46m
Alaska Airlines
Tue 5/121:23 pm
EUG
- ORD
1 stop8h 36m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/5. 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.
Wed 5/610:49 am
ORD
- EUG
2 stops14h 21m
Delta
Tue 5/126:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/5![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/187:00 am
STL
- EUG
1 stop7h 30m
Alaska Airlines
Wed 3/258:01 am
EUG
- STL
1 stop13h 58m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/4. 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 4/87:20 am
ORD
- EUG
2 stops11h 50m
Delta
Wed 4/155:15 am
EUG
- ORD
2 stops11h 37m
Delta
Deal found 2/4![Delta logo]()
$222
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:00 am
SPI
- EUG
2 stops9h 59m
American Airlines
Tue 2/245:10 am
EUG
- SPI
2 stops12h 35m
American Airlines
Deal found 2/4![American Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:50 pm
STL
- EUG
1 stop6h 41m
Alaska Airlines
Sat 4/251:23 pm
EUG
- STL
1 stop8h 36m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/3. 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 3/187:15 am
STL
- EUG
1 stop6h 45m
Delta
Wed 3/2511:40 am
EUG
- STL
2 stops10h 41m
Delta
Deal found 2/3![Delta logo]()
$222
This Southwest deal was found by Cheapflights users on 2/3. 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 4/176:00 am
MDW
- EUG
1 stop6h 30m
Southwest
Sun 4/195:10 pm
EUG
- MDW
1 stop9h 50m
Southwest
Deal found 2/3![Southwest logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/47:00 am
STL
- EUG
1 stop7h 52m
Alaska Airlines
Sat 3/145:42 am
EUG
- STL
1 stop6h 09m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/810:35 am
MLI
- EUG
2 stops12h 32m
United Airlines
Wed 4/156:51 pm
EUG
- MLI
2 stops13h 07m
United Airlines
Deal found 2/3![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 2/4. 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 2/276:45 pm
ORD
- EUG
1 stop7h 14m
Delta
Mon 3/212:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Deal found 2/4![Delta logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 3/123:54 pm
ORD
- EUG
1 stop7h 37m
Alaska Airlines
Sat 3/149:01 am
EUG
- ORD
1 stop12h 55m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 2/6. 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.
Fri 3/205:40 pm
MDW
- EUG
1 stop6h 55m
Southwest
Thu 3/2610:50 am
EUG
- MDW
1 stop9h 45m
Southwest
Deal found 2/6![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 4/142:20 pm
STL
- EUG
2 stops10h 50m
Delta
Tue 4/216:30 am
EUG
- STL
2 stops8h 56m
Delta
Deal found 2/2![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 2/6. 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.
Fri 5/15:15 pm
MDW
- EUG
1 stop7h 30m
Southwest
Sat 5/91:05 pm
EUG
- MDW
1 stop8h 00m
Southwest
Deal found 2/6![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 4/152:20 pm
STL
- EUG
2 stops10h 50m
Delta
Tue 4/2111:09 am
EUG
- STL
2 stops11h 16m
Delta
Deal found 2/2![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/198:49 am
MLI
- EUG
1 stop6h 17m
United Airlines
Mon 2/231:12 pm
EUG
- MLI
1 stop5h 42m
United Airlines
Deal found 2/4![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 4/156:45 pm
STL
- EUG
1 stop7h 02m
Delta
Fri 4/246:30 am
EUG
- STL
2 stops15h 55m
Delta
Deal found 2/2![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 4/156:45 pm
STL
- EUG
1 stop7h 02m
Delta
Thu 4/236:30 am
EUG
- STL
2 stops15h 55m
Delta
Deal found 2/2![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 2/5. 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.
Mon 4/136:45 pm
STL
- EUG
1 stop7h 02m
Delta
Wed 4/226:30 am
EUG
- STL
2 stops8h 56m
Delta
Deal found 2/5![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/186:30 am
MLI
- EUG
2 stops8h 37m
United Airlines
Tue 3/242:09 pm
EUG
- MLI
2 stops18h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:35 am
MLI
- EUG
2 stops12h 32m
United Airlines
Tue 4/71:01 pm
EUG
- MLI
1 stop6h 31m
United Airlines
Deal found 2/5![United Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:00 am
SPI
- EUG
2 stops9h 59m
American Airlines
Wed 2/255:10 am
EUG
- SPI
2 stops11h 13m
American Airlines
Deal found 2/6![American Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 2/4. 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 4/82:05 pm
MDW
- EUG
2 stops11h 45m
Delta
Wed 4/155:15 am
EUG
- MDW
2 stops10h 43m
Delta
Deal found 2/4![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Tue 6/166:00 am
PIA
- EUG
1 stop7h 29m
United Airlines
Sun 6/2112:25 pm
EUG
- PIA
1 stop8h 20m
United Airlines
Deal found 2/6![United Airlines logo]()
$559
Last-minute flights from Illinois to EugeneDiscover last-minute flight deals from Illinois to Eugene. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Eugene. Data last updated February 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/4. 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 2/276:45 pm
ORD
- EUG
1 stop7h 14m
Delta
Mon 3/212:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Deal found 2/4![Delta logo]()
$231
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 am
ORD
- EUG
1 stop7h 52m
Alaska Airlines
Sun 3/14:01 pm
EUG
- ORD
1 stop19h 10m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/4. 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 3/47:00 am
STL
- EUG
2 stops11h 30m
Delta
Sat 3/1412:40 pm
EUG
- STL
1 stop6h 51m
Delta
Deal found 2/4![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:58 am
STL
- EUG
1 stop7h 02m
American Airlines
Sun 3/81:42 pm
EUG
- STL
1 stop8h 17m
American Airlines
Deal found 2/2![American Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 3/123:54 pm
ORD
- EUG
1 stop7h 37m
Alaska Airlines
Sat 3/149:01 am
EUG
- ORD
1 stop12h 55m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 2/3. 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 3/187:15 am
STL
- EUG
1 stop6h 45m
Delta
Wed 3/2511:40 am
EUG
- STL
2 stops10h 41m
Delta
Deal found 2/3![Delta logo]()
$222
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
ORD
- EUG
1 stop8h 30m
Alaska Airlines
Wed 3/251:07 pm
EUG
- ORD
1 stop8h 52m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/187:00 am
STL
- EUG
1 stop7h 30m
Alaska Airlines
Wed 3/258:01 am
EUG
- STL
1 stop13h 58m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/6. 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 3/187:20 am
ORD
- EUG
2 stops11h 50m
Delta
Wed 3/256:08 am
EUG
- ORD
1 stop15h 44m
Delta
Deal found 2/6![Delta logo]()
$250
This Delta deal was found by Cheapflights users on 2/6. 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 3/187:20 am
ORD
- EUG
2 stops11h 50m
Delta
Tue 3/2412:40 pm
EUG
- ORD
1 stop6h 54m
Delta
Deal found 2/6![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 2/6. 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 3/187:20 am
ORD
- EUG
2 stops11h 50m
Delta
Mon 3/306:08 am
EUG
- ORD
1 stop15h 44m
Delta
Deal found 2/6![Delta logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
STL
- EUG
1 stop13h 40m
Alaska Airlines
Mon 4/67:17 pm
EUG
- STL
1 stop26h 42m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$293
One-way flights from Illinois to EugeneSearch for one-way flight options from Illinois to Eugene. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
Search for one-way flight options from Illinois to Eugene. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 3/36:45 pm
ORD
- EUG
1 stop7h 14m
Delta
Deal found 2/4![Delta logo]()
$94
This Delta deal was found by Cheapflights users on 2/4. 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 4/86:12 pm
STL
- EUG
1 stop6h 34m
Delta
Deal found 2/4![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 2/3. 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 4/226:00 pm
ORD
- EUG
1 stop7h 10m
Delta
Deal found 2/3![Delta logo]()
$119
This Southwest deal was found by Cheapflights users on 2/3. 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 4/2212:35 pm
MDW
- EUG
1 stop11h 25m
Southwest
Deal found 2/3![Southwest logo]()
$145
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 am
STL
- EUG
2 stops13h 07m
United Airlines
Deal found 2/5![United Airlines logo]()
$149
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
ORD
- EUG
1 stop7h 52m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 2/5. 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.
Sun 5/36:00 am
MDW
- EUG
1 stop6h 15m
Southwest
Deal found 2/5![Southwest logo]()
$169
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:52 pm
ORD
- EUG
1 stop9h 02m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 6/297:30 pm
STL
- EUG
1 stop6h 50m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/126:51 am
STL
- EUG
1 stop7h 24m
United Airlines
Deal found 2/3![United Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 2/5. 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.
Sun 2/2210:40 am
MDW
- EUG
1 stop6h 10m
Southwest
Deal found 2/5![Southwest logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:41 am
ORD
- EUG
3 stops30h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$217
Find flight deals from Illinois to Eugene
Keep the following information in mind while searching for Illinois to Eugene flight deals. Data was last updated February 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Delta) |
One-way from | $94 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $308 |
Good round-trip deal | $269 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Eugene 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 February 7, 2026.
Use the filters below to find and compare flights from Illinois to Eugene that are best for you.
Fly from
Illinois
Fly to
Eugene
Route
Depart
Return
Price
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Wed 4/8
6:00 am-12:30 pm
1 stop8h 30m
Eugene
Wed 4/15
7:17 pm-6:39 am
1 stop9h 22m
$197
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Wed 5/6
6:00 pm-11:10 pm
1 stop7h 10m
Eugene
Sun 5/10
6:20 am-5:04 pm
1 stop8h 44m
$212
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Thu 5/7
7:45 pm-11:43 pm
1 stop5h 58m
Eugene
Tue 5/12
6:20 am-5:04 pm
1 stop8h 44m
$213
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Wed 5/6
10:49 am-11:10 pm
2 stops14h 21m
Eugene
Tue 5/12
6:20 am-5:04 pm
1 stop8h 44m
$217
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Wed 4/8
7:20 am-5:10 pm
2 stops11h 50m
Eugene
Wed 4/15
5:15 am-6:52 pm
2 stops11h 37m
$222
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Wed 3/18
7:15 am-12:00 pm
1 stop6h 45m
Eugene
Wed 3/25
11:40 am-12:21 am
2 stops10h 41m
$222
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Fri 2/27
6:45 pm-11:59 pm
1 stop7h 14m
Eugene
Mon 3/2
12:35 pm-9:52 pm
1 stop7h 17m
$231
ChicagoEugene
ORD - EUG
ORDEUG
Chicago O'Hare Intl
Wed 5/6
6:00 am-12:46 pm
1 stop8h 46m
Eugene
Tue 5/12
1:23 pm-11:59 pm
1 stop8h 36m
$237
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Wed 3/18
7:00 am-12:30 pm
1 stop7h 30m
Eugene
Wed 3/25
8:01 am-11:59 pm
1 stop13h 58m
$237
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Wed 4/15
3:50 pm-8:31 pm
1 stop6h 41m
Eugene
Sat 4/25
1:23 pm-11:59 pm
1 stop8h 36m
$237
Showing 1-10 of 51 results
Best time to book a flight from Illinois to Eugene
Have a flexible travel schedule? Discover the best time to fly to Eugene from Illinois with our price prediction graph.
STL-EUG
ORD-EUG
MDW-EUG
BMI-EUG
PIA-EUG
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 Illinois to Eugene
USIL-EUG
STL-EUG
ORD-EUG
MDW-EUG
BMI-EUG
What is the cheapest month to book a flight from Illinois to Eugene?
Currently, September is the cheapest month in which you can book a flight from Illinois to Eugene (average of $231). Flying from Illinois to Eugene in March is currently the most expensive (average of $336). 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Eugene. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Eugene?
Book flights to Eugene if you plan to visit one of these locationsNewport
Corvallis
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Eugene flight routes
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Illinois to Eugene
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Eugene by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Eugene
Explore flights to Eugene departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 7, 2026.
Search flights from Illinois to Eugene by cabin class
Find flights from Illinois to Eugene, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Eugene flights
Browse other Illinois and Eugene flight options. Last updated on February 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Eugene flights
Consider these flights traveling from Illinois to Eugene.
Top 4 airlines flying from Illinois to Eugene
Discover the top 4 airlines that operate flights from Illinois to Eugene. 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 February 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$532 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$439 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$290 | Average$451 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$322 | Average$444 | FlexibilityNo cancel fee | On-time85% |