$163+ Cheap flights from O'Hare Intl (ORD) to Portland (PDX)
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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PDX
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Portland 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.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Portland are usually found in February or April, booked 78 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from O'Hare Intl to Portland
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Best
Last-minute
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Cheapest flights from O'Hare Intl to PortlandExplore the most affordable flight options available from O'Hare Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from O'Hare Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
1 stop16h 41m
Mon 10/1211:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Wed 9/301:21 pm -
1 stop24h 15m
Sat 10/312:24 pm -
1 stop15h 14m
Deal found 9/2![Frontier logo]()
$288
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.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
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
1 stop16h 41m
Fri 10/911:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$296
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Tue 11/36:30 am -
1 stop6h 37m
Fri 11/612:31 pm -
1 stop14h 42m
Deal found 9/2![Frontier logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/76:30 am -
1 stop30h 24m
Tue 10/1311:49 am -
1 stop10h 35m
Deal found 9/4![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 9/2. 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.
Tue 11/36:30 am -
1 stop6h 37m
Sun 11/812:07 pm -
1 stop10h 14m
Deal found 9/2![Frontier logo]()
$299
This Trip.com deal was found by Cheapflights users on 9/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 pm -
1 stop16h 59m
Thu 10/811:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$302
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:44 pm -
1 stop8h 10m
Sun 10/45:30 am -
1 stop5h 59m
Deal found 9/6![Delta logo]()
$303
This Travelocity deal was found by Cheapflights users on 9/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
1 stop6h 24m
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/4![Frontier logo]()
$306
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:44 pm -
1 stop6h 18m
Mon 10/58:44 pm -
2 stops10h 09m
Deal found 9/6![Delta logo]()
$308
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Wed 10/148:01 pm -
1 stop16h 10m
Sun 10/1811:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$309
Best flights from O'Hare Intl to PortlandDiscover carefully curated flight deals from O'Hare Intl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from O'Hare Intl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/177:00 am -
1 stop18h 02m
Mon 10/199:31 am -
1 stop12h 28m
Deal found 9/6![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 9/4. 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 10/2812:50 pm -
1 stop9h 10m
Wed 11/43:31 pm -
1 stop6h 03m
Deal found 9/4![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/233:49 pm -
1 stop18h 39m
Sun 10/2511:03 am -
1 stop10h 56m
Deal found 9/6![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 9/4. 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 10/145:30 pm -
1 stop8h 29m
Wed 10/217:10 am -
1 stop7h 43m
Deal found 9/4![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:03 pm -
2 stops9h 53m
Thu 10/1512:29 pm -
1 stop9h 05m
Deal found 9/6![Delta logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/16:00 am -
1 stop12h 50m
Tue 10/67:00 am -
Nonstop4h 18m
Deal found 9/6![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:05 pm -
2 stops9h 57m
Tue 10/68:44 pm -
2 stops8h 57m
Deal found 9/6![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/212:14 pm -
Nonstop4h 37m
Sat 10/247:09 am -
1 stop9h 11m
Deal found 9/5![Alaska Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/242:14 pm -
Nonstop4h 37m
Tue 10/277:00 am -
Nonstop4h 18m
Deal found 9/6![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:30 pm -
1 stop8h 29m
Sat 10/246:00 am -
1 stop6h 36m
Deal found 9/3![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:35 am -
2 stops11h 35m
Sun 11/155:30 am -
1 stop6h 07m
Deal found 9/5![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:15 pm -
1 stop6h 32m
Mon 10/198:44 pm -
2 stops8h 57m
Deal found 9/3![Delta logo]()
$382
Last-minute flights from O'Hare Intl to PortlandDiscover last-minute flight deals from O'Hare Intl to Portland. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portland. Data last updated September 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Wed 9/301:21 pm -
1 stop24h 15m
Sat 10/312:24 pm -
1 stop15h 14m
Deal found 9/2![Frontier logo]()
$288
This Trip.com deal was found by Cheapflights users on 9/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 pm -
1 stop16h 59m
Thu 10/811:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$302
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/15:44 pm -
1 stop8h 10m
Sun 10/45:30 am -
1 stop5h 59m
Deal found 9/7![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:44 pm -
1 stop6h 18m
Mon 10/58:44 pm -
2 stops10h 09m
Deal found 9/6![Delta logo]()
$308
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
1 stop16h 41m
Mon 10/1211:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$287
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
1 stop16h 41m
Fri 10/911:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/76:30 am -
1 stop30h 24m
Tue 10/1311:49 am -
1 stop10h 35m
Deal found 9/4![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 9/4. 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 10/86:30 am -
1 stop6h 24m
Thu 10/1511:06 am -
1 stop17h 28m
Deal found 9/4![Frontier logo]()
$311
This Expedia deal was found by Cheapflights users on 9/3. 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.
Tue 10/136:30 am -
1 stop6h 24m
Sun 10/1811:06 am -
1 stop17h 28m
Deal found 9/3![Frontier logo]()
$299
This Travelocity deal was found by Cheapflights users on 9/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
1 stop6h 24m
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/4![Frontier logo]()
$306
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Wed 10/148:01 pm -
1 stop16h 10m
Sun 10/1811:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$309
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.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
Mon 10/1911:06 am -
1 stop17h 28m
Deal found 9/2![Frontier logo]()
$290
One-way flights from O'Hare Intl to PortlandSearch for one-way flight options from O'Hare Intl to Portland. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from O'Hare Intl to Portland. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/4. 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 10/113:30 pm -
1 stop22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$163
This Booking.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 10/317:20 am -
2 stops11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$167
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 9/4. 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.
Thu 10/16:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$169
This Expedia deal was found by Cheapflights users on 9/3. 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.
Thu 11/55:15 pm -
1 stop20h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/28:55 pm -
1 stop16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 9/2. 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 9/286:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:43 pm -
1 stop20h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$175
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/149:20 am -
2 stops9h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Alaska Airlines logo]()
$177
Find flight deals from O'Hare Intl to Portland
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Expedia) |
One-way from | $163 (Super.com) |
Popular in | September |
Cheapest in | February |
Average price | $388 |
Good round-trip deal | $357 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Portland 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 7, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/31
7:20 am-4:44 pm
2 stops11h 24m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/3
7:45 pm-10:23 pm
Nonstop4h 38m
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
Quickest round-trip
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Mon 10/12
7:00 am-9:31 am
Nonstop4h 31m
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
Tue 10/13
7:00 am-9:31 am
Nonstop4h 31m
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 11/5
2:07 pm-4:50 pm
Nonstop4h 43m
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
Fri 10/16
6:35 am-11:49 am
1 stop7h 14m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$182
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/1
5:44 pm-11:54 pm
1 stop8h 10m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$182
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 10/31
6:35 am-11:49 am
1 stop7h 14m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$182
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Wed 3/3
6:00 am-10:50 am
1 stop6h 50m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$182
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Portland in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from O'Hare Intl with our price prediction graph.
ORD-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 Chicago O'Hare Intl Airport to Portland
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Portland?
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portland?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portland (average of $294). Flying from Chicago O'Hare Intl Airport to Portland in September is currently the most expensive (average of $388). 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 ORD to PDX?
Find hourly flight availability from O'Hare Intl to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
When flying from Chicago O'Hare Intl Airport to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight at noon.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Portland?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Portland. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Portland flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago O'Hare Intl Airport to Portland flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Portland trip
Our travel experts
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated September 7, 2026.
See what other customers who have flown with Alaska Airlines,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Portland. 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 Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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O'Hare Intl and Portland flights
Browse other O'Hare Intl and Portland flight options. Last updated on September 7, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Top 5 airlines flying from O'Hare Intl to Portland
Discover the top 5 airlines that operate flights from O'Hare Intl to Portland. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$335 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$213 | Average$368 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$357 | FlexibilityNo cancel fee | On-time71% |