$185+ Cheap flights from Portland, ME (PWM) to Washington
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to WashingtonExplore the most affordable flight options available from Portland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Portland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
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.
Sat 11/144:50 pm -
1 stop8h 17m
Tue 11/1711:20 pm -
1 stop9h 38m
Deal found 9/3![Delta logo]()
$369
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop8h 33m
Tue 10/277:26 pm -
2 stops11h 41m
Deal found 9/2![United Airlines logo]()
$374
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:15 pm -
1 stop9h 49m
Wed 11/1111:45 am -
1 stop9h 34m
Deal found 9/2![Delta logo]()
$375
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:06 pm -
1 stop10h 41m
Sat 11/1411:09 pm -
1 stop9h 26m
Deal found 9/2![American Airlines logo]()
$378
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.
Thu 11/511:10 am -
2 stops12h 10m
Mon 11/911:30 pm -
2 stops9h 40m
Deal found 9/1![Southwest logo]()
$379
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.
Tue 11/106:00 am -
2 stops13h 29m
Sat 11/1411:20 pm -
2 stops8h 59m
Deal found 9/3![Delta logo]()
$380
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.
Sat 9/265:40 am -
1 stop9h 50m
Sat 10/35:30 pm -
2 stops13h 10m
Deal found 8/31![Southwest logo]()
$385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:08 pm -
1 stop8h 48m
Mon 9/2811:14 pm -
1 stop7h 48m
Deal found 9/2![United Airlines logo]()
$385
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 10/65:08 pm -
1 stop8h 15m
Wed 10/710:58 am -
1 stop9h 30m
Deal found 9/1![United Airlines logo]()
$386
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 11/46:01 am -
2 stops14h 09m
Tue 11/106:00 am -
2 stops14h 31m
Deal found 9/3![Delta logo]()
$386
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:55 pm -
2 stops14h 00m
Thu 11/57:55 am -
2 stops12h 55m
Deal found 9/2![Southwest logo]()
$390
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:38 pm -
1 stop9h 29m
Fri 10/211:48 am -
1 stop8h 59m
Deal found 9/1![American Airlines logo]()
$391
Best flights from Portland to WashingtonDiscover carefully curated flight deals from Portland to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Portland to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
2 stops10h 01m
Sat 11/1411:20 pm -
1 stop9h 38m
Deal found 9/2![Delta logo]()
$374
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:23 pm -
1 stop8h 56m
Sat 11/710:50 am -
1 stop7h 58m
Deal found 8/30![United Airlines logo]()
$375
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop7h 50m
Sun 11/16:00 am -
2 stops13h 33m
Deal found 9/2![American Airlines logo]()
$511
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop10h 14m
Tue 11/179:58 am -
2 stops10h 33m
Deal found 9/2![Delta logo]()
$374
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop8h 27m
Sat 10/245:00 am -
1 stop8h 02m
Deal found 9/3![United Airlines logo]()
$400
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.
Wed 11/44:47 pm -
1 stop8h 18m
Wed 11/116:00 am -
1 stop7h 10m
Deal found 8/30![Delta logo]()
$375
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 11/114:03 pm -
1 stop9h 57m
Sat 11/1411:15 pm -
2 stops9h 04m
Deal found 9/3![Delta logo]()
$380
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 10/15:08 pm -
1 stop8h 48m
Sun 11/85:05 am -
1 stop7h 57m
Deal found 9/1![United Airlines logo]()
$424
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.
Sat 10/246:00 am -
2 stops9h 34m
Sun 11/15:00 am -
1 stop8h 02m
Deal found 9/1![United Airlines logo]()
$428
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.
Fri 10/164:15 pm -
1 stop9h 49m
Mon 10/1911:50 pm -
2 stops10h 22m
Deal found 9/1![Delta logo]()
$404
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:35 am -
1 stop10h 18m
Fri 10/910:33 pm -
1 stop7h 35m
Deal found 9/2![United Airlines logo]()
$434
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 11/112:05 pm -
1 stop10h 52m
Sun 11/157:35 pm -
2 stops13h 23m
Deal found 9/3![Delta logo]()
$428
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop8h 33m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 8/30![United Airlines logo]()
$435
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 1/156:00 am -
2 stops15h 38m
Tue 1/196:05 am -
2 stops13h 18m
Deal found 8/30![Delta logo]()
$429
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops11h 27m
Mon 10/1210:33 pm -
1 stop7h 35m
Deal found 9/3![United Airlines logo]()
$449
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.
Tue 11/104:50 pm -
2 stops9h 56m
Sun 11/157:35 pm -
2 stops13h 23m
Deal found 9/1![Delta logo]()
$433
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.
Sat 10/246:00 am -
1 stop8h 24m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 8/31![United Airlines logo]()
$479
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.
Tue 10/206:04 am -
1 stop8h 52m
Tue 10/279:31 am -
2 stops11h 39m
Deal found 8/30![Delta logo]()
$440
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops15h 38m
Sat 10/175:16 am -
2 stops15h 27m
Deal found 8/31![American Airlines logo]()
$911
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:23 pm -
1 stop8h 35m
Wed 11/45:10 am -
1 stop7h 52m
Deal found 9/3![United Airlines logo]()
$485
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.
Sat 10/246:01 am -
1 stop8h 49m
Sun 11/17:05 am -
2 stops14h 05m
Deal found 8/31![Delta logo]()
$461
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:09 pm -
2 stops14h 44m
Sat 10/245:16 am -
2 stops15h 27m
Deal found 8/31![American Airlines logo]()
$951
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:30 am -
2 stops16h 08m
Sat 10/175:16 am -
2 stops15h 27m
Deal found 8/31![American Airlines logo]()
$976
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops15h 38m
Fri 10/165:16 am -
2 stops14h 20m
Deal found 8/31![American Airlines logo]()
$1,031
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.
Wed 9/1612:24 pm -
2 stops14h 30m
Sun 9/205:00 am -
2 stops13h 55m
Deal found 9/1![Alaska Airlines logo]()
$2,751
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.
Mon 12/144:53 pm -
2 stops10h 12m
Wed 12/307:00 am -
2 stops13h 00m
Deal found 9/1![Delta logo]()
$743
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:00 am -
2 stops19h 50m
Sun 2/145:14 am -
3 stops15h 35m
Deal found 9/1![American Airlines logo]()
$1,380
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 9/1610:50 am -
2 stops12h 47m
Sun 9/205:15 am -
2 stops13h 08m
Deal found 9/1![United Airlines logo]()
$1,134
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.
Mon 12/149:47 am -
3 stops14h 27m
Wed 12/305:00 am -
3 stops11h 03m
Deal found 9/1![United Airlines logo]()
$1,527
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.
Fri 9/182:03 pm -
2 stops12h 51m
Tue 9/225:00 am -
2 stops13h 56m
Deal found 9/3![Alaska Airlines logo]()
$6,693
Last-minute flights from Portland to WashingtonDiscover last-minute flight deals from Portland to Washington. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Washington. Data last updated September 4, 2026 and is based on user searches.
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.
Sat 9/126:00 am -
1 stop10h 00m
Sun 9/2012:25 am -
1 stop7h 20m
Deal found 8/31![Delta logo]()
$402
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:08 pm -
1 stop8h 48m
Mon 9/2811:14 pm -
1 stop7h 48m
Deal found 9/2![United Airlines logo]()
$385
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:38 pm -
1 stop9h 29m
Fri 10/211:48 am -
1 stop8h 59m
Deal found 9/1![American Airlines logo]()
$391
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.
Sat 9/265:40 am -
1 stop9h 50m
Mon 10/511:35 pm -
1 stop8h 20m
Deal found 8/31![Southwest logo]()
$369
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.
Sat 9/265:40 am -
1 stop9h 50m
Sat 10/35:30 pm -
2 stops13h 10m
Deal found 8/31![Southwest logo]()
$385
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 9/295:08 pm -
1 stop8h 48m
Tue 10/67:00 am -
1 stop10h 22m
Deal found 9/1![United Airlines logo]()
$380
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:38 pm -
1 stop9h 33m
Mon 10/510:31 am -
1 stop10h 09m
Deal found 9/1![American Airlines logo]()
$399
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 10/65:08 pm -
1 stop8h 15m
Wed 10/710:58 am -
1 stop9h 30m
Deal found 9/1![United Airlines logo]()
$386
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:30 am -
1 stop9h 36m
Sat 10/176:00 am -
1 stop9h 44m
Deal found 9/2![American Airlines logo]()
$375
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop8h 27m
Sat 10/245:00 am -
1 stop8h 02m
Deal found 9/3![United Airlines logo]()
$400
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop8h 33m
Tue 10/277:26 pm -
2 stops11h 41m
Deal found 9/2![United Airlines logo]()
$374
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:55 pm -
2 stops14h 00m
Thu 11/57:55 am -
2 stops12h 55m
Deal found 9/2![Southwest logo]()
$390
One-way flights from Portland to WashingtonSearch for one-way flight options from Portland to Washington. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Portland to Washington. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:04 am -
1 stop8h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$185
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:08 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$188
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:52 pm -
2 stops12h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$190
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:08 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$193
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$196
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am -
2 stops12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$198
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.
Fri 10/306:01 am -
2 stops13h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$201
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.
Fri 10/164:15 pm -
1 stop9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$207
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:57 am -
2 stops10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$211
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 10/233:25 pm -
2 stops13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$212
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:57 am -
2 stops10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$215
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$218
Find flight deals from Portland to Washington
Keep the following information in mind while searching for Portland to Washington flight deals. Data was last updated September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
One-way from | $185 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $405 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Washington 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 4, 2026.
Use the filters below to find and compare flights from Portland to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/20
6:04 am-11:56 am
1 stop8h 52m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/20
5:45 pm-11:59 pm
1 stop9h 14m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/27
6:03 am-11:56 am
1 stop8h 53m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/6
6:04 am-11:56 am
1 stop8h 52m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Wed 10/21
5:08 pm-10:56 pm
1 stop8h 48m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$188
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Sat 10/24
5:35 am-1:55 pm
2 stops11h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Sat 9/26
5:40 am-10:45 am
1 stop8h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Thu 9/24
4:20 pm-11:20 pm
1 stop10h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Wed 10/21
4:47 pm-11:59 pm
2 stops10h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Wed 9/23
5:45 am-3:00 pm
2 stops12h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$198
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Portland to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Portland with our price prediction graph.
PWM-PDX
PWM-SEA
PWM-GEG
PWM-BLI
PWM-PSC
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 Portland to Washington
PWM-USWA
PWM-PDX
PWM-SEA
PWM-GEG
PWM-BLI
What is the cheapest month to book a flight from Portland, Maine to State of Washington?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to State of Washington (average of $389). Flying from Portland, Maine to State of Washington in June is currently the most expensive (average of $686). 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.
How much does it cost to fly round-trip from Portland, Maine to State of Washington?
Airfare is typical for this route at the moment.
Portland, Maine to State of Washington flights typically cost between $319 and $493 in November.The cheapest round-trip price found within the last 5 days was $375 on Delta (Nov 4-Nov 11).
How far ahead should I book a flight from Portland, Maine to State of Washington?
To ensure you get the cheapest price possible for a flight from Portland, Maine to State of Washington, you should look to book at least 36 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.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 4, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Portland to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Portland to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Washington
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Complete your trip
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Portland and Washington flights
Browse other Portland and Washington flight options. Last updated on September 4, 2026.
Popular flight searches
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Portland to Washington flights
Consider these flights traveling from Portland to Washington.
Top 4 airlines flying from Portland to Washington
Discover the top 4 airlines that operate flights from Portland to Washington. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$503 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$594 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$405 | Average$534 | FlexibilityNo cancel fee | On-time63% |