$99+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Mar 9 — Mar 161
1 adult, Economy
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Find cheap flights from Eugene to Illinois 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
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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 February 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 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.
Mon 4/206:30 am
EUG
- ORD
2 stops12h 48m
Delta
Wed 4/226:00 pm
ORD
- EUG
1 stop7h 10m
Delta
Deal found 2/6![Delta logo]()
$192
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 4/412:40 pm
EUG
- STL
1 stop6h 51m
Delta
Wed 4/86:12 pm
STL
- EUG
1 stop6h 34m
Delta
Deal found 2/4![Delta 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.
Tue 3/312:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Tue 3/107:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/3![Delta logo]()
$197
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 3/115:15 am
EUG
- MDW
2 stops10h 39m
Delta
Tue 3/172:05 pm
MDW
- EUG
2 stops11h 45m
Delta
Deal found 2/5![Delta logo]()
$198
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 3/411:25 am
EUG
- STL
2 stops9h 58m
Delta
Tue 3/106:12 pm
STL
- EUG
1 stop6h 34m
Delta
Deal found 2/5![Delta logo]()
$202
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.
Tue 4/145:15 am
EUG
- STL
1 stop6h 08m
Delta
Sat 4/255:00 pm
STL
- EUG
1 stop7h 35m
Delta
Deal found 2/3![Delta logo]()
$217
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.
Tue 3/105:42 am
EUG
- ORD
1 stop6h 31m
Alaska Airlines
Wed 3/115:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/2![Alaska Airlines 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.
Tue 2/241:29 pm
EUG
- ORD
1 stop8h 27m
Alaska Airlines
Fri 2/275:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$218
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.
Tue 4/146:30 am
EUG
- ORD
1 stop8h 09m
Delta
Sat 4/257:20 am
ORD
- EUG
2 stops11h 44m
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.
Fri 3/66:07 am
EUG
- ORD
2 stops9h 35m
Delta
Mon 3/97:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/4![Delta logo]()
$232
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:20 am
EUG
- ORD
1 stop5h 51m
Alaska Airlines
Tue 3/103:54 pm
ORD
- EUG
1 stop7h 37m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$233
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.
Thu 3/511:25 am
EUG
- STL
2 stops9h 58m
Delta
Wed 3/117:15 am
STL
- EUG
1 stop6h 45m
Delta
Deal found 2/4![Delta logo]()
$235
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 February 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 February 7, 2026.
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.
Tue 3/312:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Tue 3/107:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/3![Delta logo]()
$197
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.
Tue 3/105:42 am
EUG
- ORD
1 stop6h 31m
Alaska Airlines
Wed 3/115:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$217
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 3/41:12 pm
EUG
- STL
1 stop8h 09m
United Airlines
Tue 3/104:30 pm
STL
- EUG
1 stop6h 37m
United Airlines
Deal found 2/5![United Airlines logo]()
$237
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.
Mon 4/2011:10 am
EUG
- MDW
1 stop8h 25m
Southwest
Wed 4/226:30 am
MDW
- EUG
1 stop6h 15m
Southwest
Deal found 2/6![Southwest logo]()
$239
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.
Mon 4/206:30 am
EUG
- ORD
2 stops9h 37m
Delta
Wed 4/222:09 pm
ORD
- EUG
2 stops11h 01m
Delta
Deal found 2/6![Delta logo]()
$198
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 3/115:15 am
EUG
- MDW
2 stops10h 39m
Delta
Tue 3/172:05 pm
MDW
- EUG
2 stops11h 45m
Delta
Deal found 2/5![Delta logo]()
$198
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.
Fri 3/61:29 pm
EUG
- ORD
1 stop8h 27m
Alaska Airlines
Mon 3/95:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$218
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.
Tue 2/241:29 pm
EUG
- ORD
1 stop8h 27m
Alaska Airlines
Fri 2/275:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$218
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 3/411:25 am
EUG
- STL
2 stops9h 58m
Delta
Tue 3/106:12 pm
STL
- EUG
1 stop6h 34m
Delta
Deal found 2/5![Delta logo]()
$202
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.
Thu 3/52:40 pm
EUG
- STL
1 stop5h 35m
Southwest
Wed 3/115:35 pm
STL
- EUG
1 stop7h 10m
Southwest
Deal found 2/5![Southwest logo]()
$262
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.
Thu 4/166:30 am
EUG
- ORD
2 stops12h 48m
Delta
Mon 4/2710:49 am
ORD
- EUG
2 stops14h 21m
Delta
Deal found 2/3![Delta logo]()
$208
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.
Tue 4/145:15 am
EUG
- STL
1 stop6h 08m
Delta
Sat 4/255:00 pm
STL
- EUG
1 stop7h 35m
Delta
Deal found 2/3![Delta logo]()
$217
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:40 pm
EUG
- MDW
2 stops10h 25m
Southwest
Fri 3/610:05 am
MDW
- EUG
1 stop7h 00m
Southwest
Deal found 2/4![Southwest logo]()
$293
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 4/412:40 pm
EUG
- STL
1 stop6h 51m
Delta
Wed 4/87:15 am
STL
- EUG
2 stops11h 55m
Delta
Deal found 2/4![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.
Wed 4/155:20 pm
EUG
- MDW
1 stop9h 40m
Southwest
Sun 4/266:00 am
MDW
- EUG
1 stop6h 15m
Southwest
Deal found 2/3![Southwest logo]()
$309
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.
Tue 4/146:30 am
EUG
- ORD
2 stops12h 48m
Delta
Sat 4/257:20 am
ORD
- EUG
2 stops11h 44m
Delta
Deal found 2/3![Delta logo]()
$227
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 3/111:35 pm
EUG
- MDW
1 stop5h 40m
Southwest
Tue 3/175:55 am
MDW
- EUG
1 stop6h 15m
Southwest
Deal found 2/5![Southwest logo]()
$337
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 3/66:07 am
EUG
- ORD
2 stops9h 35m
Delta
Mon 3/97:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/4![Delta logo]()
$232
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.
Sat 2/215:00 am
EUG
- MDW
2 stops10h 05m
Southwest
Wed 2/255:05 am
MDW
- EUG
2 stops10h 45m
Southwest
Deal found 2/5![Southwest logo]()
$341
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.
Fri 3/66:07 am
EUG
- STL
2 stops9h 35m
Delta
Wed 3/117:15 am
STL
- EUG
1 stop6h 45m
Delta
Deal found 2/5![Delta logo]()
$235
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.
Thu 3/511:25 am
EUG
- STL
2 stops9h 58m
Delta
Wed 3/117:15 am
STL
- EUG
1 stop6h 45m
Delta
Deal found 2/5![Delta logo]()
$235
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.
Thu 3/1210:50 am
EUG
- MDW
1 stop9h 45m
Southwest
Tue 3/175:55 am
MDW
- EUG
1 stop6h 15m
Southwest
Deal found 2/5![Southwest logo]()
$355
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.
Thu 4/166:30 am
EUG
- MDW
2 stops9h 28m
Delta
Mon 4/271:23 pm
MDW
- EUG
2 stops11h 47m
Delta
Deal found 2/3![Delta logo]()
$278
Last-minute flights from Eugene to IllinoisDiscover last-minute flight deals from Eugene to Illinois. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Illinois. 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.
Thu 2/1912:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Mon 2/236:45 pm
ORD
- EUG
1 stop7h 14m
Delta
Deal found 2/4![Delta logo]()
$257
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.
Tue 2/241:29 pm
EUG
- ORD
1 stop8h 27m
Alaska Airlines
Fri 2/275:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$218
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.
Tue 3/312:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Tue 3/107:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/3![Delta logo]()
$197
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 3/411:25 am
EUG
- STL
2 stops9h 58m
Delta
Tue 3/106:12 pm
STL
- EUG
1 stop6h 34m
Delta
Deal found 2/5![Delta logo]()
$202
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 3/41:12 pm
EUG
- STL
1 stop8h 09m
United Airlines
Tue 3/104:30 pm
STL
- EUG
1 stop6h 37m
United Airlines
Deal found 2/5![United 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.
Thu 3/511:25 am
EUG
- STL
2 stops9h 58m
Delta
Wed 3/117:15 am
STL
- EUG
1 stop6h 45m
Delta
Deal found 2/4![Delta logo]()
$235
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.
Thu 3/52:40 pm
EUG
- STL
1 stop5h 35m
Southwest
Wed 3/115:35 pm
STL
- EUG
1 stop7h 10m
Southwest
Deal found 2/5![Southwest logo]()
$262
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.
Thu 3/51:40 pm
EUG
- STL
1 stop8h 19m
American Airlines
Wed 3/117:58 am
STL
- EUG
1 stop7h 04m
American Airlines
Deal found 2/6![American Airlines logo]()
$282
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 3/66:07 am
EUG
- ORD
2 stops9h 35m
Delta
Mon 3/97:20 am
ORD
- EUG
1 stop6h 40m
Delta
Deal found 2/4![Delta logo]()
$232
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.
Tue 3/105:42 am
EUG
- ORD
1 stop6h 31m
Alaska Airlines
Wed 3/115:29 pm
ORD
- EUG
1 stop8h 29m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$217
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:20 am
EUG
- ORD
1 stop5h 51m
Alaska Airlines
Tue 3/103:54 pm
ORD
- EUG
1 stop7h 37m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$233
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 3/115:15 am
EUG
- MDW
2 stops10h 39m
Delta
Tue 3/172:05 pm
MDW
- EUG
2 stops11h 45m
Delta
Deal found 2/5![Delta logo]()
$198
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 February 7, 2026.
Search for one-way flight options from Eugene to Illinois. 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.
Wed 4/85:15 am
EUG
- STL
1 stop6h 02m
Delta
Deal found 2/4![Delta logo]()
$99
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.
Thu 2/1912:35 pm
EUG
- ORD
1 stop7h 17m
Delta
Deal found 2/4![Delta logo]()
$103
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 5/136:20 am
EUG
- ORD
1 stop8h 44m
Delta
Deal found 2/5![Delta logo]()
$119
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:02 am
EUG
- ORD
1 stop17h 45m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$125
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 4/306:30 am
EUG
- ORD
1 stop8h 09m
Delta
Deal found 2/6![Delta logo]()
$144
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:51 pm
EUG
- ORD
2 stops15h 56m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$148
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:51 pm
EUG
- MDW
2 stops23h 58m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$153
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.
Mon 5/48:38 pm
EUG
- ORD
1 stop25h 21m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$157
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:52 pm
EUG
- ORD
1 stop22h 19m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$159
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:15 pm
EUG
- MDW
1 stop8h 10m
Southwest
Deal found 2/4![Southwest logo]()
$165
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 4/308:38 pm
EUG
- ORD
1 stop25h 21m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$167
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.
Sun 5/31:00 pm
EUG
- ORD
Nonstop3h 53m
United Airlines
Deal found 2/5![United Airlines logo]()
$169
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 February 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $192 (Delta) |
One-way from | $99 (Delta) |
Popular in | October |
Cheapest in | February |
Average price | $289 |
Good round-trip deal | $379 or less |
Good one-way deal | $220 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 February 7, 2026.
Use the filters below to find and compare flights from Eugene to Illinois that are best for you.
Fly from
Eugene
Fly to
Illinois
Route
Depart
Return
Price
EugeneChicago
EUG - ORD
EUGORD
Eugene
Tue 3/3
12:35 pm-9:52 pm
1 stop7h 17m
Chicago O'Hare Intl
Tue 3/10
7:20 am-12:00 pm
1 stop6h 40m
$197
EugeneChicago
EUG - ORD
EUGORD
Eugene
Mon 4/20
6:30 am-6:07 pm
2 stops9h 37m
Chicago O'Hare Intl
Wed 4/22
2:09 pm-11:10 pm
2 stops11h 01m
$198
EugeneChicago
EUG - MDW
EUGMDW
Eugene
Wed 3/11
5:15 am-5:54 pm
2 stops10h 39m
Chicago Midway
Tue 3/17
2:05 pm-11:50 pm
2 stops11h 45m
$198
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Wed 3/4
11:25 am-11:23 pm
2 stops9h 58m
Lambert-St Louis
Tue 3/10
6:12 pm-10:46 pm
1 stop6h 34m
$202
EugeneChicago
EUG - ORD
EUGORD
Eugene
Thu 4/16
6:30 am-9:18 pm
2 stops12h 48m
Chicago O'Hare Intl
Mon 4/27
10:49 am-11:10 pm
2 stops14h 21m
$208
EugeneChicago
EUG - ORD
EUGORD
Eugene
Tue 3/10
5:42 am-2:13 pm
1 stop6h 31m
Chicago O'Hare Intl
Wed 3/11
5:29 pm-11:58 pm
1 stop8h 29m
$217
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 4/14
5:15 am-1:23 pm
1 stop6h 08m
Lambert-St Louis
Sat 4/25
5:00 pm-10:35 pm
1 stop7h 35m
$217
EugeneChicago
EUG - ORD
EUGORD
Eugene
Fri 3/6
1:29 pm-11:56 pm
1 stop8h 27m
Chicago O'Hare Intl
Mon 3/9
5:29 pm-11:58 pm
1 stop8h 29m
$218
EugeneChicago
EUG - ORD
EUGORD
Eugene
Tue 2/24
1:29 pm-11:56 pm
1 stop8h 27m
Chicago O'Hare Intl
Fri 2/27
5:29 pm-11:58 pm
1 stop8h 29m
$218
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Sat 4/4
12:40 pm-9:31 pm
1 stop6h 51m
Lambert-St Louis
Wed 4/8
7:15 am-5:10 pm
2 stops11h 55m
$222
Showing 1-10 of 48 results
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-STL
EUG-ORD
EUG-MDW
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-STL
EUG-ORD
EUG-MDW
What is the cheapest month to book a flight from Eugene to Illinois?
Currently, December is the cheapest month in which you can book a flight from Eugene to Illinois (average of $120). Flying from Eugene to Illinois in June is currently the most expensive (average of $317). 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.
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 February 7, 2026.
Read through reviews of airlines operating flights from Eugene to Illinois, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
8.0
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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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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 February 7, 2026.
Popular flight searches
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Eugene to Illinois flights
Consider these flights traveling from Eugene to Illinois.
Top 5 airlines flying from Eugene to Illinois
Discover the top 5 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 February 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$433 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$274 | Average$429 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$282 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$328 | Average$635 | FlexibilityNo cancel fee | On-time71% |