$179+ Cheap flights from Illinois to Oregon
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PDX
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Oregon 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 Illinois to OregonExplore the most affordable flight options available from Illinois to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Illinois to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:03 pm -
1 stop8h 56m
Sat 10/241:12 pm -
1 stop8h 59m
Deal found 9/20![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:03 pm -
1 stop8h 56m
Tue 10/271:12 pm -
1 stop8h 59m
Deal found 9/20![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:01 pm -
1 stop16h 10m
Thu 10/2912:31 pm -
1 stop14h 42m
Deal found 9/20![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:01 pm -
1 stop16h 10m
Sat 10/179:31 am -
1 stop6h 49m
Deal found 9/19![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:01 pm -
1 stop16h 10m
Tue 10/207:00 am -
Nonstop4h 18m
Deal found 9/20![Multiple Airlines logo]()
$342
This Priceline deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
1 stop6h 37m
Sat 11/77:01 am -
Nonstop4h 08m
Deal found 9/19![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am -
1 stop6h 37m
Sat 10/319:03 am -
1 stop7h 50m
Deal found 9/20![Multiple Airlines logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 am -
1 stop6h 24m
Sun 10/2511:49 am -
1 stop10h 35m
Deal found 9/19![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop6h 24m
Tue 10/2712:02 pm -
2 stops28h 14m
Deal found 9/20![Frontier logo]()
$346
This Orbitz deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:49 pm -
1 stop9h 13m
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/20![Multiple Airlines logo]()
$347
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
1 stop6h 24m
Tue 10/1311:49 am -
1 stop10h 35m
Deal found 9/19![Frontier logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:46 am -
1 stop6h 36m
Sat 11/79:00 am -
2 stops10h 22m
Deal found 9/20![United Airlines logo]()
$355
Best flights from Illinois to OregonDiscover carefully curated flight deals from Illinois to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Illinois to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
Nonstop4h 31m
Tue 10/277:00 am -
Nonstop4h 07m
Deal found 9/21![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:45 pm -
Nonstop4h 30m
Mon 11/211:30 pm -
Nonstop3h 45m
Deal found 9/23![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:08 am -
1 stop10h 01m
Sat 10/246:00 am -
2 stops14h 30m
Deal found 9/23![Delta logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:49 pm -
1 stop20h 38m
Sat 11/73:00 pm -
1 stop20h 17m
Deal found 9/23![Alaska Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:58 pm -
1 stop9h 45m
Thu 11/1211:57 am -
1 stop9h 20m
Deal found 9/23![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:42 pm -
1 stop7h 42m
Wed 11/112:34 pm -
Nonstop4h 06m
Deal found 9/21![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:05 am -
1 stop6h 35m
Tue 11/35:45 am -
2 stops9h 20m
Deal found 9/23![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:30 pm -
1 stop6h 26m
Mon 10/1912:29 pm -
1 stop9h 05m
Deal found 9/20![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:00 am -
1 stop16h 48m
Tue 12/299:59 am -
1 stop8h 02m
Deal found 9/23![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:25 am -
1 stop10h 30m
Tue 11/32:35 pm -
1 stop7h 35m
Deal found 9/22![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:01 am -
Nonstop4h 56m
Tue 11/32:27 pm -
Nonstop4h 13m
Deal found 9/19![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:08 am -
1 stop10h 01m
Thu 11/1211:10 pm -
1 stop9h 09m
Deal found 9/21![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:15 pm -
1 stop10h 37m
Sun 11/810:34 am -
1 stop11h 15m
Deal found 9/23![Alaska Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:25 am -
1 stop10h 20m
Wed 11/1110:15 am -
2 stops10h 10m
Deal found 9/21![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:25 am -
2 stops11h 11m
Tue 12/151:55 pm -
1 stop5h 40m
Deal found 9/21![Delta logo]()
$382
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 am -
2 stops11h 29m
Thu 10/2211:12 pm -
1 stop6h 29m
Deal found 9/22![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 pm -
1 stop13h 35m
Wed 11/185:25 pm -
2 stops10h 30m
Deal found 9/23![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:55 am -
Nonstop4h 38m
Sun 10/187:02 am -
Nonstop4h 13m
Deal found 9/21![United Airlines logo]()
$431
This Expedia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:35 pm -
1 stop7h 24m
Wed 11/116:00 am -
2 stops15h 59m
Deal found 9/19![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:59 am -
2 stops8h 11m
Thu 11/53:31 pm -
1 stop6h 03m
Deal found 9/23![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:45 pm -
1 stop6h 35m
Mon 11/2311:30 pm -
Nonstop3h 45m
Deal found 9/23![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:28 pm -
1 stop9h 55m
Sat 10/2410:43 am -
1 stop8h 00m
Deal found 9/18![United Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:20 am -
1 stop9h 28m
Tue 1/51:25 pm -
1 stop8h 34m
Deal found 9/20![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 9/24. 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 11/66:06 am -
1 stop9h 32m
Sat 11/76:00 am -
2 stops14h 36m
Deal found 9/24![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:25 am -
2 stops15h 02m
Tue 10/272:34 pm -
1 stop6h 25m
Deal found 9/20![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:03 pm -
2 stops9h 53m
Sat 10/246:00 am -
2 stops8h 26m
Deal found 9/19![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:45 pm -
Nonstop4h 30m
Sun 10/1811:35 pm -
Nonstop3h 50m
Deal found 9/19![Southwest logo]()
$431
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:42 am -
2 stops13h 25m
Tue 12/88:50 am -
2 stops12h 09m
Deal found 9/22![United Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:45 am -
Nonstop4h 25m
Sun 11/17:35 am -
2 stops8h 00m
Deal found 9/20![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:35 am -
1 stop7h 14m
Mon 11/29:55 am -
2 stops12h 02m
Deal found 9/23![Delta logo]()
$396
Last-minute flights from Illinois to OregonDiscover last-minute flight deals from Illinois to Oregon. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Oregon. Data last updated September 24, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
1 stop6h 24m
Tue 10/1311:49 am -
1 stop10h 35m
Deal found 9/19![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:01 pm -
1 stop16h 10m
Sat 10/179:31 am -
1 stop6h 49m
Deal found 9/19![Multiple Airlines logo]()
$339
This Orbitz deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:49 pm -
1 stop9h 13m
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/20![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:01 pm -
1 stop16h 10m
Tue 10/207:00 am -
Nonstop4h 18m
Deal found 9/20![Multiple Airlines logo]()
$342
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 am -
1 stop6h 24m
Sun 10/2511:49 am -
1 stop10h 35m
Deal found 9/19![Frontier logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:03 pm -
1 stop8h 56m
Sat 10/241:12 pm -
1 stop8h 59m
Deal found 9/20![American Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop6h 24m
Tue 10/2712:02 pm -
2 stops28h 14m
Deal found 9/20![Frontier logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:03 pm -
1 stop8h 56m
Tue 10/271:12 pm -
1 stop8h 59m
Deal found 9/20![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:01 pm -
1 stop16h 10m
Thu 10/2912:31 pm -
1 stop14h 42m
Deal found 9/20![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am -
1 stop6h 37m
Sat 10/319:03 am -
1 stop7h 50m
Deal found 9/20![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am -
1 stop6h 37m
Tue 11/312:02 pm -
2 stops28h 14m
Deal found 9/21![Frontier logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:46 am -
1 stop6h 36m
Sat 11/79:00 am -
2 stops10h 22m
Deal found 9/20![United Airlines logo]()
$355
One-way flights from Illinois to OregonSearch for one-way flight options from Illinois to Oregon. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Illinois to Oregon. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:05 am -
Nonstop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:20 pm -
Nonstop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 am -
1 stop30h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:32 pm -
1 stop18h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$181
This Super.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:21 pm -
1 stop24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$182
This Super.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:30 am -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$184
This Trip.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 am -
1 stop8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$185
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
1 stop16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:49 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$189
This Priceline deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:21 pm -
1 stop9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$189
Find flight deals from Illinois to Oregon
Keep the following information in mind while searching for Illinois to Oregon flight deals. Data was last updated September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (American Airlines) |
One-way from | $179 (Southwest) |
Popular in | March |
Cheapest in | January |
Average price | $385 |
Good round-trip deal | $339 or less |
Good one-way deal | $209 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Oregon 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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Illinois to Oregon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Thu 11/12
9:15 pm-11:55 pm
Nonstop4h 40m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
Quickest round-trip
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Tue 10/27
2:14 pm-4:51 pm
Nonstop4h 37m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/22
2:14 pm-4:51 pm
Nonstop4h 37m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/24
2:14 pm-4:51 pm
Nonstop4h 37m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Tue 11/17
5:29 pm-11:46 pm
1 stop8h 17m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Mon 11/16
5:29 pm-11:46 pm
1 stop8h 17m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Wed 11/11
5:45 pm-10:20 pm
1 stop6h 35m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Tue 11/3
6:04 am-1:38 pm
1 stop9h 34m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoEugene
MDW Chicago Midway - EUG Eugene
MDWEUG
Chicago Midway
Mon 10/19
5:25 am-1:55 pm
1 stop10h 30m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Mon 11/23
5:29 pm-11:46 pm
1 stop8h 17m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Oregon
Have a flexible travel schedule? Discover the best time to fly to Oregon from Illinois with our price prediction graph.
MDW-PDX
ORD-PDX
ORD-EUG
ORD-RDM
MDW-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 Oregon
USIL-USOR
MDW-PDX
ORD-PDX
ORD-EUG
ORD-RDM
What is the cheapest month to book a flight from Illinois to Oregon?
Currently, January is the cheapest month in which you can book a flight from Illinois to Oregon (average of $311). Flying from Illinois to Oregon in June is currently the most expensive (average of $427). 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 IL to OR?
Find hourly flight availability from Illinois to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2026.
One of the essential ways to save on airfare from Illinois to Oregon is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 48% on airfare.
Weekly flight availability from Illinois to Oregon
Explore weekly flight availability from Illinois to Oregon. 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 September 24, 2026.
The most flights from USIL to USOR are scheduled on a Tuesday (25 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Illinois to Oregon?
Airfare is typical for this route at the moment.
Illinois to Oregon flights typically cost between $330 and $489 in October.The cheapest round-trip price found within the last 5 days was $338 on Frontier (Oct 24-Oct 29).
How far ahead should I book a flight from Illinois to Oregon?
To ensure you get the cheapest price possible for a flight from Illinois to Oregon, you should look to book at least 86 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 day to fly from Illinois to Oregon?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Oregon. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Illinois to Oregon flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Oregon
Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated September 24, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Illinois to Oregon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Illinois to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to Oregon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oregon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Oregon by cabin class
Find flights from Illinois to Oregon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Oregon flights
Browse other Illinois and Oregon flight options. Last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Oregon
Find the right flight back to Illinois after your stay in Oregon
Illinois to Oregon flights
Consider these flights traveling from Illinois to Oregon.
Top 7 airlines flying from Illinois to Oregon
Discover the top 7 airlines that operate flights from Illinois to Oregon. 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$474 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$222 | Average$517 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$375 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$447 | FlexibilityNo cancel fee | On-timeN/A |