$142+ Cheap flights from Washington, D.C. (WAS) to Portland (PDX)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PDX
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. 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 Washington, D.C. to Portland are usually found in September or January, booked 65 days in advance, depart on a Saturday or Tuesday and return on a Thursday
Cheap flight deals from Washington, D.C. to Portland
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Cheapest flights from Washington, D.C. to PortlandExplore the most affordable flight options available from Washington, D.C. to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Washington, D.C. to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/194:43 pm -
Nonstop5h 32m
Sat 9/267:30 am -
Nonstop5h 10m
Deal found 8/28![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/228:10 am -
Nonstop5h 30m
Tue 9/296:25 pm -
1 stop9h 05m
Deal found 8/28![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 9/2610:05 am -
Nonstop5h 25m
Sat 10/35:50 am -
2 stops8h 35m
Deal found 9/1![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:04 pm -
1 stop10h 35m
Tue 10/201:12 pm -
1 stop8h 12m
Deal found 8/29![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 9/1. 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 10/287:21 pm -
1 stop7h 23m
Sat 10/311:44 pm -
1 stop6h 39m
Deal found 9/1![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:20 am -
2 stops11h 35m
Tue 10/271:40 pm -
1 stop6h 45m
Deal found 8/31![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:10 am -
Nonstop5h 30m
Sat 9/2610:45 pm -
Nonstop4h 55m
Deal found 8/31![Southwest logo]()
$311
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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.
Sat 9/196:00 am -
1 stop8h 36m
Sat 9/2612:24 pm -
1 stop14h 56m
Deal found 8/28![Frontier logo]()
$319
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:55 am -
1 stop8h 55m
Sat 9/2610:45 pm -
Nonstop4h 55m
Deal found 8/29![Southwest logo]()
$321
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop32h 12m
Thu 11/512:02 pm -
1 stop21h 07m
Deal found 9/1![Frontier logo]()
$328
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop8h 26m
Mon 10/1912:25 pm -
1 stop14h 55m
Deal found 9/1![Frontier logo]()
$328
This SmartFares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:43 pm -
Nonstop5h 32m
Fri 9/257:30 am -
Nonstop5h 10m
Deal found 8/28![Alaska Airlines logo]()
$329
Best flights from Washington, D.C. to PortlandDiscover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Washington, D.C. to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Delta deal was found by Cheapflights users on 9/1. 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 11/187:01 am -
1 stop8h 32m
Wed 12/911:17 pm -
1 stop8h 20m
Deal found 9/1![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am -
2 stops11h 35m
Tue 10/2711:35 pm -
2 stops9h 40m
Deal found 8/31![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/1. 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 11/1110:09 am -
2 stops11h 00m
Sun 11/1511:30 pm -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:46 pm -
1 stop17h 57m
Mon 11/99:03 am -
1 stop29h 37m
Deal found 8/28![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 11/2611:08 am -
1 stop7h 57m
Sat 12/1211:53 am -
1 stop8h 52m
Deal found 8/31![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/206:30 am -
1 stop7h 00m
Tue 9/2211:30 pm -
1 stop6h 45m
Deal found 8/30![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/207:21 pm -
1 stop7h 23m
Mon 10/2611:00 pm -
1 stop7h 16m
Deal found 8/29![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/186:10 am -
2 stops10h 12m
Wed 12/95:00 am -
1 stop7h 06m
Deal found 8/28![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:25 pm -
2 stops9h 50m
Tue 11/311:25 am -
2 stops10h 20m
Deal found 8/29![Southwest logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 10/287:24 pm -
1 stop17h 07m
Tue 11/1010:34 am -
1 stop28h 06m
Deal found 8/31![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/194:43 pm -
Nonstop5h 32m
Sat 9/267:30 am -
Nonstop5h 10m
Deal found 8/30![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:50 am -
2 stops12h 25m
Sat 12/128:30 am -
1 stop7h 45m
Deal found 8/31![Southwest logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/297:02 am -
2 stops11h 58m
Tue 11/310:33 am -
2 stops16h 11m
Deal found 8/30![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 2/1312:05 pm -
1 stop10h 03m
Tue 2/166:04 am -
1 stop10h 10m
Deal found 8/28![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 11/105:19 pm -
Nonstop5h 56m
Mon 11/168:30 am -
Nonstop4h 52m
Deal found 9/1![United Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 10/3111:00 am -
2 stops10h 05m
Thu 11/511:30 pm -
2 stops9h 35m
Deal found 9/1![Southwest logo]()
$428
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/24:45 pm -
1 stop8h 17m
Tue 10/611:51 am -
1 stop8h 53m
Deal found 8/30![Delta logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/287:02 am -
2 stops12h 27m
Sat 10/315:06 am -
1 stop8h 24m
Deal found 8/29![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/165:30 pm -
Nonstop5h 40m
Mon 10/197:02 am -
1 stop7h 42m
Deal found 8/29![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 11/2611:10 am -
1 stop7h 55m
Sat 12/121:33 pm -
1 stop7h 03m
Deal found 8/31![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/236:10 am -
1 stop8h 23m
Tue 10/278:30 am -
Nonstop4h 52m
Deal found 9/1![United Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 10/27:47 pm -
1 stop16h 44m
Tue 10/67:09 am -
2 stops13h 50m
Deal found 9/1![Alaska Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 9/1. 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 12/410:00 am -
2 stops11h 05m
Thu 12/1011:40 am -
2 stops8h 40m
Deal found 9/1![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 9/1. 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 11/194:25 pm -
1 stop8h 32m
Sat 11/2111:51 am -
1 stop8h 55m
Deal found 9/1![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/245:30 pm -
Nonstop5h 40m
Sun 9/278:25 am -
Nonstop5h 02m
Deal found 9/1![United Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 12/512:55 pm -
2 stops11h 30m
Fri 12/1112:10 pm -
2 stops7h 40m
Deal found 9/1![Southwest logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/65:25 pm -
Nonstop5h 47m
Tue 10/132:53 pm -
1 stop27h 07m
Deal found 8/30![Alaska Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/17:00 am -
1 stop9h 37m
Tue 10/611:03 am -
1 stop9h 56m
Deal found 8/29![Alaska Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 10/55:30 pm -
Nonstop5h 40m
Fri 10/98:25 am -
Nonstop5h 02m
Deal found 8/31![United Airlines logo]()
$557
This Southwest deal was found by Cheapflights users on 9/1. 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 9/253:30 pm -
2 stops8h 45m
Tue 9/2910:35 am -
2 stops10h 20m
Deal found 9/1![Southwest logo]()
$515
Last-minute flights from Washington, D.C. to PortlandDiscover last-minute flight deals from Washington, D.C. to Portland. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Portland. Data last updated September 2, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/194:43 pm -
Nonstop5h 32m
Sat 9/267:30 am -
Nonstop5h 10m
Deal found 8/28![Alaska Airlines logo]()
$283
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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.
Sat 9/196:00 am -
1 stop8h 36m
Sat 9/2612:24 pm -
1 stop14h 56m
Deal found 8/28![Frontier logo]()
$319
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:55 am -
1 stop8h 55m
Sat 9/2610:45 pm -
Nonstop4h 55m
Deal found 8/29![Southwest logo]()
$321
This SmartFares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:43 pm -
Nonstop5h 32m
Fri 9/257:30 am -
Nonstop5h 10m
Deal found 8/28![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:10 am -
Nonstop5h 30m
Sat 9/2610:45 pm -
Nonstop4h 55m
Deal found 8/31![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/233:45 pm -
1 stop9h 30m
Wed 9/3010:45 pm -
Nonstop4h 55m
Deal found 8/28![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 9/2610:05 am -
Nonstop5h 25m
Sat 10/35:50 am -
2 stops8h 35m
Deal found 9/1![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:04 pm -
1 stop10h 35m
Tue 10/201:12 pm -
1 stop8h 12m
Deal found 8/29![American Airlines logo]()
$302
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop8h 26m
Mon 10/1912:25 pm -
1 stop14h 55m
Deal found 9/1![Frontier logo]()
$328
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:20 am -
2 stops11h 35m
Tue 10/271:40 pm -
1 stop6h 45m
Deal found 8/31![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 9/1. 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 10/287:21 pm -
1 stop7h 23m
Sat 10/311:44 pm -
1 stop6h 39m
Deal found 9/1![Delta logo]()
$303
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop32h 12m
Thu 11/512:02 pm -
1 stop21h 07m
Deal found 9/1![Frontier logo]()
$328
One-way flights from Washington, D.C. to PortlandSearch for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Washington, D.C. to Portland. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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.
Wed 9/308:10 am -
Nonstop5h 30m
Deal found 9/1![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 11/45:40 am -
2 stops31h 31m
Deal found 9/1![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 10/76:38 am -
2 stops30h 33m
Deal found 9/1![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/3110:16 am -
2 stops27h 55m
Deal found 9/1![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/19:27 am -
2 stops29h 27m
Deal found 9/1![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/293:10 pm -
2 stops45h 57m
Deal found 8/29![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:27 am -
2 stops27h 40m
Deal found 8/29![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/309:27 am -
2 stops27h 40m
Deal found 8/29![Frontier logo]()
$179
This American Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:27 pm -
1 stop10h 33m
Deal found 8/30![American Airlines logo]()
$180
This SmartFares deal was found by Cheapflights users on 9/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:43 pm -
Nonstop5h 32m
Deal found 9/1![Alaska Airlines logo]()
$184
This CheapOair deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Sat 9/196:00 am -
1 stop8h 36m
Deal found 8/30![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop7h 43m
Deal found 8/28![Frontier logo]()
$192
Find flight deals from Washington, D.C. to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Alaska Airlines) |
One-way from | $142 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $355 |
Good round-trip deal | $319 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Wed 11/18
7:01 am-12:33 pm
1 stop8h 32m
Portland
Wed 12/9
11:17 pm-10:37 am
1 stop8h 20m
$303
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Wed 10/14
6:20 am-2:55 pm
2 stops11h 35m
Portland
Tue 10/27
11:35 pm-12:15 pm
2 stops9h 40m
$313
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Thu 11/26
11:08 am-4:05 pm
1 stop7h 57m
Portland
Sat 12/12
11:53 am-11:45 pm
1 stop8h 52m
$370
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Sun 9/20
6:30 am-10:30 am
1 stop7h 00m
Portland
Tue 9/22
11:30 pm-9:15 am
1 stop6h 45m
$370
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Tue 10/20
7:21 pm-11:44 pm
1 stop7h 23m
Portland
Mon 10/26
11:00 pm-9:16 am
1 stop7h 16m
$370
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Wed 11/11
10:09 am-6:09 pm
2 stops11h 00m
Portland
Sun 11/15
11:30 pm-10:29 am
1 stop7h 59m
$375
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Thu 10/29
5:25 pm-12:15 am
2 stops9h 50m
Portland
Tue 11/3
11:25 am-12:45 am
2 stops10h 20m
$380
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Thu 11/26
7:50 am-5:15 pm
2 stops12h 25m
Portland
Sat 12/12
8:30 am-7:15 pm
1 stop7h 45m
$403
BaltimorePortland
BWI Baltimore/Washington - PDX Portland
BWIPDX
Baltimore/Washington
Wed 11/18
6:10 am-1:22 pm
2 stops10h 12m
Portland
Wed 12/9
5:00 am-3:06 pm
1 stop7h 06m
$418
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Wed 11/4
6:46 pm-9:43 am
1 stop17h 57m
Portland
Mon 11/9
9:03 am-5:40 pm
1 stop29h 37m
$423
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. 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 Washington, D.C. 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 |
- Most accurate provider: When it comes to deals on Washington, D.C.-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-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 Washington, D.C.-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 Washington, D.C. to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Washington, D.C. with our price prediction graph.
WAS-PDX
BWI-PDX
IAD-PDX
DCA-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 Washington, D.C. to Portland
WAS-PDX
BWI-PDX
IAD-PDX
DCA-PDX
What is the cheapest month to book a flight from Washington, D.C. to Portland?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Portland (average of $381). Flying from Washington, D.C. to Portland in June is currently the most expensive (average of $572). 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 WAS to PDX?
Find hourly flight availability from Washington, D.C. 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 2, 2026.
It’s optimal to fly from Washington, D.C. to Portland in the evening. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Washington, D.C. to Portland
Explore weekly flight availability from Washington, D.C. to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 2, 2026.
The most flights from WAS to PDX are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Washington, D.C. to Portland?
Airfare is typical for this route at the moment.
Washington, D.C. to Portland flights typically cost between $247 and $478 in September.The cheapest round-trip price found within the last 5 days was $283 on Alaska Airlines (Sep 19-Sep 30).
How far ahead should I book a flight from Washington, D.C. to Portland?
The best time to book flights from Washington, D.C. to Portland is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 2, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Portland, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. 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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Washington, D.C. and Portland flights
Browse other Washington, D.C. and Portland flight options. Last updated on September 2, 2026.
Other flights from Washington, D.C.
Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
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Washington, D.C. to Portland flights
Consider these flights traveling from Washington, D.C. to Portland.
Top 6 airlines flying from Washington, D.C. to Portland
Discover the top 6 airlines that operate flights from Washington, D.C. 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$213 | Average$505 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$218 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$223 | Average$462 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$244 | Average$454 | FlexibilityNo cancel fee | On-time69% |