$177+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PDX
Dec 5 — Dec 121
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 November 5, 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 November 5, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/25:00 am -
1 stop8h 00m
Mon 12/711:30 am -
1 stop10h 08m
Deal found 11/1![American Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/222:17 pm -
1 stop9h 31m
Tue 12/297:59 pm -
1 stop7h 41m
Deal found 11/4![Alaska Airlines logo]()
$328
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:27 am -
1 stop14h 22m
Sat 12/53:37 pm -
1 stop6h 22m
Deal found 11/4![Alaska Airlines logo]()
$333
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/27:27 am -
1 stop14h 22m
Mon 12/75:28 am -
2 stops11h 32m
Deal found 11/1![Alaska Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Thu 12/32:13 pm -
1 stop10h 12m
Mon 12/74:00 pm -
1 stop19h 10m
Deal found 11/1![Alaska Airlines logo]()
$357
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:59 pm -
1 stop13h 30m
Wed 12/309:22 pm -
1 stop13h 57m
Deal found 11/4![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 11/4. 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.
Wed 12/210:05 am -
2 stops8h 40m
Wed 12/910:10 am -
2 stops7h 30m
Deal found 11/4![Southwest logo]()
$359
This Kissandfly.com deal was found by Cheapflights users on 11/3. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
2 stops13h 56m
Wed 12/91:17 pm -
2 stops13h 44m
Deal found 11/3![Frontier logo]()
$359
This Southwest deal was found by Cheapflights users on 11/3. 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 12/41:20 pm -
2 stops11h 00m
Sun 12/67:35 am -
2 stops8h 00m
Deal found 11/3![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/102:13 pm -
1 stop10h 12m
Tue 12/1510:13 am -
1 stop25h 02m
Deal found 11/2![Alaska Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/256:00 am -
1 stop9h 24m
Wed 12/307:05 am -
1 stop14h 54m
Deal found 11/2![Alaska Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop7h 53m
Tue 12/85:10 pm -
2 stops26h 50m
Deal found 11/4![Frontier logo]()
$361
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 November 5, 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 November 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/227:58 pm -
1 stop17h 13m
Tue 12/297:59 pm -
1 stop7h 41m
Deal found 11/3![Alaska Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 11/3. 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.
Tue 12/226:00 am -
1 stop8h 35m
Wed 12/3011:30 pm -
Nonstop3h 45m
Deal found 11/3![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/410:45 am -
1 stop9h 57m
Sun 12/62:26 pm -
1 stop6h 03m
Deal found 11/1![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/171:41 pm -
2 stops10h 25m
Thu 12/241:00 pm -
1 stop7h 22m
Deal found 11/2![Delta logo]()
$382
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 4/233:45 pm -
1 stop9h 57m
Mon 4/2611:47 pm -
1 stop8h 59m
Deal found 10/31![American Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/102:13 pm -
1 stop10h 12m
Tue 12/1510:13 am -
1 stop25h 02m
Deal found 10/31![Alaska Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 11/3. 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.
Tue 12/18:40 pm -
Nonstop4h 45m
Tue 12/86:00 am -
Nonstop3h 50m
Deal found 11/3![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:36 pm -
2 stops12h 07m
Fri 12/112:26 pm -
1 stop6h 03m
Deal found 11/3![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/247:00 am -
1 stop11h 50m
Mon 12/287:00 am -
Nonstop4h 10m
Deal found 11/1![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 4/234:00 pm -
1 stop8h 26m
Mon 4/2610:55 pm -
2 stops14h 21m
Deal found 10/31![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/18:40 pm -
Nonstop4h 45m
Thu 12/1711:30 pm -
Nonstop3h 45m
Deal found 11/1![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 4/225:20 pm -
1 stop6h 58m
Mon 4/2611:10 pm -
2 stops10h 41m
Deal found 11/1![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:17 pm -
1 stop8h 33m
Fri 1/16:09 am -
1 stop6h 12m
Deal found 11/4![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/186:30 am -
1 stop8h 34m
Fri 3/2612:30 pm -
1 stop9h 16m
Deal found 11/1![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/2510:15 am -
2 stops9h 50m
Thu 1/76:30 am -
Nonstop3h 55m
Deal found 11/1![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 1/126:27 am -
2 stops9h 22m
Tue 1/265:00 am -
2 stops11h 27m
Deal found 11/3![United Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/137:27 am -
1 stop16h 58m
Mon 12/217:17 am -
1 stop9h 37m
Deal found 11/2![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/196:30 am -
1 stop8h 34m
Sun 3/2112:30 pm -
1 stop9h 16m
Deal found 11/1![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:58 pm -
Nonstop4h 49m
Tue 12/2911:50 pm -
Nonstop4h 09m
Deal found 11/2![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sun 2/286:55 pm -
1 stop7h 35m
Thu 3/46:00 am -
2 stops10h 10m
Deal found 11/3![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/63:13 pm -
1 stop7h 33m
Sat 3/135:10 am -
1 stop7h 33m
Deal found 11/1![American Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/1712:50 pm -
1 stop6h 23m
Fri 3/2612:30 pm -
1 stop9h 16m
Deal found 11/1![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/268:15 am -
2 stops14h 00m
Thu 12/35:00 am -
2 stops10h 58m
Deal found 11/3![United Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/226:00 am -
1 stop9h 24m
Wed 12/307:00 am -
Nonstop4h 10m
Deal found 11/1![Alaska Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:50 am -
2 stops9h 35m
Wed 12/910:10 am -
2 stops7h 30m
Deal found 11/2![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/203:50 pm -
2 stops9h 57m
Sun 3/2112:30 pm -
1 stop9h 16m
Deal found 11/1![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 11/3. 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 2/1210:05 am -
1 stop7h 30m
Mon 2/154:15 pm -
1 stop11h 30m
Deal found 11/3![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/187:45 pm -
Nonstop4h 59m
Sun 1/101:06 pm -
1 stop8h 52m
Deal found 10/31![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/235:55 pm -
1 stop8h 04m
Mon 4/261:30 pm -
1 stop8h 29m
Deal found 11/3![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/175:02 pm -
2 stops8h 37m
Thu 12/245:30 am -
2 stops12h 48m
Deal found 11/2![Delta logo]()
$438
Last-minute flights from Illinois to OregonDiscover last-minute flight deals from Illinois to Oregon. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Oregon. Data last updated November 5, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:27 am -
1 stop14h 22m
Sat 12/53:37 pm -
1 stop6h 22m
Deal found 11/4![Alaska Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/25:00 am -
1 stop8h 00m
Mon 12/711:30 am -
1 stop10h 08m
Deal found 11/1![American Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/27:27 am -
1 stop14h 22m
Mon 12/75:28 am -
2 stops11h 32m
Deal found 11/1![Alaska Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 11/4. 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.
Wed 12/210:05 am -
2 stops8h 40m
Wed 12/910:10 am -
2 stops7h 30m
Deal found 11/4![Southwest logo]()
$359
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Thu 12/32:13 pm -
1 stop10h 12m
Mon 12/74:00 pm -
1 stop19h 10m
Deal found 11/1![Alaska Airlines logo]()
$357
This Kissandfly.com deal was found by Cheapflights users on 11/3. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
2 stops13h 56m
Wed 12/91:17 pm -
2 stops13h 44m
Deal found 11/3![Frontier logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop7h 53m
Tue 12/85:10 pm -
2 stops26h 50m
Deal found 11/4![Frontier logo]()
$361
This Southwest deal was found by Cheapflights users on 11/3. 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 12/41:20 pm -
2 stops11h 00m
Sun 12/67:35 am -
2 stops8h 00m
Deal found 11/3![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/102:13 pm -
1 stop10h 12m
Tue 12/1510:13 am -
1 stop25h 02m
Deal found 11/2![Alaska Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/227:58 pm -
1 stop17h 13m
Tue 12/297:59 pm -
1 stop7h 41m
Deal found 11/3![Alaska Airlines logo]()
$328
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:59 pm -
1 stop13h 30m
Wed 12/309:22 pm -
1 stop13h 57m
Deal found 11/4![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/256:00 am -
1 stop9h 24m
Wed 12/307:05 am -
1 stop14h 54m
Deal found 11/2![Alaska Airlines logo]()
$360
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 November 5, 2026.
Search for one-way flight options from Illinois to Oregon. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/132:13 pm -
1 stop21h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Alaska Airlines logo]()
$177
This Super.com deal was found by Cheapflights users on 11/3. 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 Super.com is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Tue 12/227:05 am -
1 stop7h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$178
This Southwest deal was found by Cheapflights users on 11/3. 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 11/259:25 pm -
Nonstop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$179
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:17 pm -
1 stop9h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:45 pm -
Nonstop4h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$179
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 11/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
1 stop9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$187
This Super.com deal was found by Cheapflights users on 11/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 am -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 11/2. 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 11/255:29 pm -
1 stop8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:20 am -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$189
This Super.com deal was found by Cheapflights users on 11/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
1 stop20h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$191
This Southwest deal was found by Cheapflights users on 11/4. 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.
Tue 11/249:25 pm -
Nonstop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$192
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Alaska Airlines) |
One-way from | $177 (Alaska Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $436 |
Good round-trip deal | $357 or less |
Good one-way deal | $224 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 November 5, 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
Wed 11/25
9:25 pm-12:10 am
Nonstop4h 45m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoEugene
ORD Chicago O'Hare Intl - EUG Eugene
ORDEUG
Chicago O'Hare Intl
Wed 12/23
7:35 am-12:12 pm
1 stop30h 37m
Eugene
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
Wed 11/25
7:45 pm-10:27 pm
Nonstop4h 42m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Mon 12/21
9:30 pm-12:15 am
Nonstop4h 45m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Thu 12/24
8:40 pm-11:25 pm
Nonstop4h 45m
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
Mon 11/23
5:15 am-12:36 pm
1 stop9h 21m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$186
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Fri 12/18
6:20 am-10:39 am
1 stop6h 19m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 11/21
3:47 pm-10:26 pm
2 stops8h 39m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$194
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Wed 11/25
2:44 pm-11:51 pm
2 stops11h 07m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$194
ChicagoEugene
MDW Chicago Midway - EUG Eugene
MDWEUG
Chicago Midway
Fri 2/12
10:05 am-3:35 pm
1 stop7h 30m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
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.
ORD-EUG
ORD-PDX
MDW-PDX
MDW-EUG
PIA-PDX
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
ORD-EUG
ORD-PDX
MDW-PDX
MDW-EUG
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 $317). Flying from Illinois to Oregon in October is currently the most expensive (average of $461). 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 November 5, 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 November 5, 2026.
The most flights from USIL to USOR are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 $357 and $588 in December.The cheapest round-trip price found within the last 5 days was $357 on Alaska Airlines (Dec 23-Dec 30).
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 63 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 October 31, 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 November 5, 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.
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
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.
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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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$480 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$492 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$222 | Average$519 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$480 | FlexibilityNo cancel fee | On-timeN/A |