$122+ Cheap flights from Oregon to O'Hare Intl (ORD)
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ORD
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Oregon to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oregon to O'Hare Intl
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Cheapest flights from Oregon to O'Hare IntlExplore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from Oregon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This CheapOair deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:50 pm -
1 stop13h 48m
Thu 9/178:55 pm -
1 stop18h 00m
Deal found 8/5![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:52 pm -
1 stop12h 50m
Mon 10/266:50 am -
1 stop9h 07m
Deal found 8/3![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 8/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:52 pm -
1 stop12h 43m
Sun 11/157:00 am -
1 stop8h 57m
Deal found 8/5![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:52 pm -
1 stop12h 50m
Mon 10/126:50 am -
1 stop9h 07m
Deal found 8/4![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 8/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop13h 48m
Sun 9/208:55 pm -
1 stop18h 00m
Deal found 8/4![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 8/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:50 pm -
1 stop13h 48m
Sun 9/138:55 pm -
1 stop18h 00m
Deal found 8/3![Frontier logo]()
$279
This Expedia deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:52 pm -
1 stop12h 43m
Sat 10/317:00 am -
1 stop8h 11m
Deal found 8/5![Multiple Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:20 pm -
1 stop6h 39m
Fri 9/117:00 pm -
1 stop15h 56m
Deal found 8/5![Alaska Airlines logo]()
$293
This Expedia deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 pm -
1 stop9h 44m
Sun 9/66:54 pm -
1 stop15h 58m
Deal found 8/3![Alaska Airlines logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:20 pm -
1 stop6h 39m
Tue 9/296:00 am -
1 stop9h 22m
Deal found 8/5![Alaska Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sun 9/2712:24 pm -
1 stop15h 14m
Tue 10/139:33 pm -
2 stops21h 02m
Deal found 8/4![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:02 am -
2 stops21h 18m
Thu 10/16:30 am -
1 stop7h 13m
Deal found 8/3![Frontier logo]()
$318
Best flights from Oregon to O'Hare IntlDiscover carefully curated flight deals from Oregon to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Oregon to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:20 am -
1 stop10h 33m
Tue 11/33:59 pm -
1 stop8h 52m
Deal found 8/5![Alaska Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/213:43 pm -
1 stop7h 16m
Thu 9/244:20 pm -
Nonstop4h 33m
Deal found 8/1![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/1. 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.
Sun 8/306:20 am -
1 stop9h 20m
Thu 9/32:36 pm -
1 stop9h 36m
Deal found 8/1![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/152:15 pm -
Nonstop4h 11m
Sat 10/249:05 am -
Nonstop4h 45m
Deal found 8/1![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/4. 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 10/3012:08 pm -
2 stops8h 52m
Tue 11/35:27 am -
1 stop9h 07m
Deal found 8/4![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 12/106:00 am -
1 stop7h 12m
Sun 12/132:54 pm -
1 stop9h 19m
Deal found 8/3![Alaska Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Thu 9/32:19 pm -
Nonstop4h 11m
Thu 9/1010:25 am -
Nonstop4h 45m
Deal found 8/5![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/4. 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 9/910:34 am -
2 stops9h 59m
Sat 9/197:00 am -
1 stop9h 16m
Deal found 8/4![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:08 pm -
1 stop6h 51m
Mon 9/147:20 am -
1 stop17h 01m
Deal found 8/4![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/162:19 pm -
Nonstop4h 11m
Sat 9/1910:25 am -
Nonstop4h 45m
Deal found 8/4![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:55 am -
1 stop8h 05m
Tue 9/222:05 pm -
2 stops9h 29m
Deal found 8/2![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:08 am -
1 stop10h 13m
Sun 9/137:20 am -
1 stop17h 01m
Deal found 8/3![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 10/75:30 pm -
1 stop5h 29m
Mon 10/127:55 pm -
Nonstop4h 03m
Deal found 8/1![United Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 9/207:35 pm -
1 stop8h 45m
Thu 10/17:20 am -
1 stop17h 01m
Deal found 8/1![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/5. 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.
Sat 10/101:36 pm -
1 stop6h 24m
Thu 10/155:30 pm -
1 stop8h 29m
Deal found 8/5![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:28 pm -
Nonstop3h 37m
Thu 9/175:00 am -
1 stop5h 35m
Deal found 8/2![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/2. 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 9/912:32 pm -
1 stop9h 25m
Tue 9/155:10 pm -
2 stops8h 49m
Deal found 8/2![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 9/45:52 pm -
1 stop11h 28m
Wed 9/98:00 am -
1 stop7h 22m
Deal found 8/6![Alaska Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/82:44 pm -
1 stop8h 15m
Mon 10/127:55 pm -
Nonstop4h 03m
Deal found 8/1![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/1. 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 10/151:36 pm -
1 stop6h 24m
Sat 10/247:35 am -
2 stops11h 26m
Deal found 8/1![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:36 am -
1 stop5h 29m
Tue 9/228:40 am -
Nonstop3h 46m
Deal found 8/6![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/315:20 am -
2 stops10h 21m
Wed 9/912:29 pm -
2 stops13h 18m
Deal found 8/3![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 9/297:03 am -
2 stops10h 18m
Thu 10/152:14 pm -
Nonstop4h 37m
Deal found 8/4![Alaska Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Fri 10/912:52 pm -
1 stop9h 07m
Sun 10/119:05 am -
Nonstop4h 45m
Deal found 8/5![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 10/315:20 am -
1 stop5h 58m
Tue 11/32:07 pm -
1 stop6h 16m
Deal found 8/2![Alaska Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Fri 9/45:44 pm -
1 stop5h 15m
Fri 9/115:00 am -
1 stop5h 35m
Deal found 8/5![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/1. 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 10/311:25 pm -
1 stop8h 29m
Tue 11/39:59 am -
2 stops10h 51m
Deal found 8/1![Delta logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 12/56:00 am -
1 stop9h 01m
Wed 12/99:20 am -
1 stop10h 04m
Deal found 8/3![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/1. 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 9/166:15 am -
2 stops13h 40m
Sat 9/1911:17 am -
2 stops13h 36m
Deal found 8/1![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 10/2610:33 am -
1 stop11h 26m
Sat 11/77:00 am -
1 stop9h 36m
Deal found 8/1![Alaska Airlines logo]()
$427
Last-minute flights from Oregon to O'Hare IntlDiscover last-minute flight deals from Oregon to O'Hare Intl. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to O'Hare Intl. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Tue 8/185:56 pm -
1 stop17h 40m
Tue 9/12:41 pm -
1 stop28h 30m
Deal found 8/4![Frontier logo]()
$319
This CheapOair deal was found by Cheapflights users on 8/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:47 pm -
1 stop27h 15m
Tue 8/252:41 pm -
1 stop28h 30m
Deal found 8/3![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 pm -
1 stop9h 44m
Sun 9/66:54 pm -
1 stop15h 58m
Deal found 8/3![Alaska Airlines logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:20 pm -
1 stop6h 39m
Fri 9/117:00 pm -
1 stop15h 56m
Deal found 8/5![Alaska Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:58 pm -
Nonstop3h 51m
Fri 9/1111:35 am -
Nonstop3h 56m
Deal found 8/5![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 9/55:56 pm -
1 stop10h 03m
Thu 9/103:50 pm -
2 stops22h 04m
Deal found 8/4![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 8/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:50 pm -
1 stop13h 48m
Sun 9/138:55 pm -
1 stop18h 00m
Deal found 8/3![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:50 pm -
1 stop13h 48m
Thu 9/178:55 pm -
1 stop18h 00m
Deal found 8/5![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 8/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop13h 48m
Sun 9/208:55 pm -
1 stop18h 00m
Deal found 8/4![Frontier logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:20 pm -
1 stop6h 39m
Tue 9/296:00 am -
1 stop9h 22m
Deal found 8/5![Alaska Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sun 9/2712:24 pm -
1 stop15h 14m
Tue 10/139:33 pm -
2 stops21h 02m
Deal found 8/4![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:02 am -
2 stops21h 18m
Thu 10/16:30 am -
1 stop7h 13m
Deal found 8/3![Frontier logo]()
$318
One-way flights from Oregon to O'Hare IntlSearch for one-way flight options from Oregon to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Oregon to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:52 pm -
1 stop12h 43m
Deal found 8/2![Frontier logo]()
$122
This CheapOair deal was found by Cheapflights users on 8/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:50 pm -
1 stop13h 48m
Deal found 8/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop13h 48m
Deal found 8/2![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sun 11/13:52 pm -
1 stop19h 05m
Deal found 8/4![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:50 pm -
1 stop13h 48m
Deal found 8/2![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
2 stops32h 33m
Deal found 8/1![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:50 pm -
1 stop13h 48m
Deal found 8/2![Frontier logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:20 pm -
1 stop6h 39m
Deal found 8/5![Alaska Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:38 pm -
2 stops19h 42m
Deal found 8/3![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Fri 10/212:38 pm -
2 stops23h 39m
Deal found 8/4![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
2 stops29h 48m
Deal found 8/3![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:38 pm -
2 stops31h 01m
Deal found 8/3![Frontier logo]()
$165
Find flight deals from Oregon to O'Hare Intl
Keep the following information in mind while searching for Oregon to O'Hare Intl flight deals. Data was last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (CheapOair) |
One-way from | $122 (Frontier) |
Popular in | November |
Cheapest in | January |
Average price | $384 |
Good round-trip deal | $391 or less |
Good one-way deal | $217 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon to O'Hare Intl 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 August 6, 2026.
Use the filters below to find and compare flights from Oregon to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Sat 10/31
7:20 am-6:53 pm
1 stop10h 33m
Chicago O'Hare Intl
Tue 11/3
3:59 pm-11:51 pm
1 stop8h 52m
$318
PortlandChicago
PDX Portland - ORD Chicago O'Hare Intl
PDXORD
Portland
Mon 9/21
3:43 pm-12:59 am
1 stop7h 16m
Chicago O'Hare Intl
Thu 9/24
4:20 pm-6:53 pm
Nonstop4h 33m
$327
PortlandChicago
PDX Portland - ORD Chicago O'Hare Intl
PDXORD
Portland
Sun 8/30
6:20 am-5:40 pm
1 stop9h 20m
Chicago O'Hare Intl
Thu 9/3
2:36 pm-10:12 pm
1 stop9h 36m
$337
Quickest round-trip
EugeneChicago
EUG Eugene - ORD Chicago O'Hare Intl
EUGORD
Eugene
Thu 10/15
2:15 pm-8:26 pm
Nonstop4h 11m
Chicago O'Hare Intl
Sat 10/24
9:05 am-11:50 am
Nonstop4h 45m
$339
EugeneChicago
EUG Eugene - ORD Chicago O'Hare Intl
EUGORD
Eugene
Thu 9/3
2:19 pm-8:30 pm
Nonstop4h 11m
Chicago O'Hare Intl
Thu 9/10
10:25 am-1:10 pm
Nonstop4h 45m
$339
EugeneChicago
EUG Eugene - ORD Chicago O'Hare Intl
EUGORD
Eugene
Wed 9/16
2:19 pm-8:30 pm
Nonstop4h 11m
Chicago O'Hare Intl
Sat 9/19
10:25 am-1:10 pm
Nonstop4h 45m
$339
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Wed 10/7
5:30 pm-11:59 pm
1 stop5h 29m
Chicago O'Hare Intl
Mon 10/12
7:55 pm-10:58 pm
Nonstop4h 03m
$341
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Thu 9/10
12:28 pm-5:05 pm
Nonstop3h 37m
Chicago O'Hare Intl
Thu 9/17
5:00 am-9:35 am
1 stop5h 35m
$341
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Thu 10/8
2:44 pm-11:59 pm
1 stop8h 15m
Chicago O'Hare Intl
Mon 10/12
7:55 pm-10:58 pm
Nonstop4h 03m
$341
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Sat 9/19
10:36 am-5:05 pm
1 stop5h 29m
Chicago O'Hare Intl
Tue 9/22
8:40 am-11:26 am
Nonstop3h 46m
$341
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Oregon with our price prediction graph.
BOI-ORD
PDX-ORD
EUG-ORD
RDM-ORD
MFR-ORD
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 Oregon to Chicago O'Hare Intl Airport
USOR-ORD
BOI-ORD
PDX-ORD
EUG-ORD
RDM-ORD
What is the cheapest month to book a flight from Oregon to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Oregon to Chicago O'Hare Intl Airport (average of $271). Flying from Oregon to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $451). 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 OR to ORD?
Find hourly flight availability from Oregon to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2026.
One of the essential ways to save on airfare from Oregon to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 44% on airfare.
Weekly flight availability from Oregon to Chicago O'Hare Intl Airport
Explore weekly flight availability from Oregon to O'Hare Intl. 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 August 6, 2026.
The most flights from USOR to ORD are scheduled on a Wednesday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Oregon to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Oregon to Chicago O'Hare Intl Airport flights typically cost between $326 and $452 in September.The cheapest round-trip price found within the last 5 days was $317 on Frontier (Sep 27-Oct 13).
How far ahead should I book a flight from Oregon to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Oregon to Chicago O'Hare Intl Airport, you should look to book at least 41 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 Oregon to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Oregon to O'Hare Intl. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Oregon to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Oregon to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Oregon and O'Hare Intl flights
Browse other Oregon and O'Hare Intl flight options. Last updated on August 6, 2026.
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Oregon to O'Hare Intl flights
Consider these flights traveling from Oregon to O'Hare Intl.
Top 6 airlines flying from Oregon to O'Hare Intl
Discover the top 6 airlines that operate flights from Oregon to O'Hare Intl. 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$93 | Average$271 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$195 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$424 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$231 | Average$423 | FlexibilityNo cancel fee | On-time69% |