$178+ Cheap flights from Portland, ME (PWM) to Washington
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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/193:47 pm
PWM
- PDX
1 stop9h 16m
United Airlines
Sat 9/2610:33 pm
PDX
- PWM
1 stop7h 35m
United Airlines
Deal found 7/23![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:07 pm
PWM
- PDX
1 stop10h 51m
American Airlines
Sat 9/127:25 am
PDX
- PWM
1 stop9h 13m
American Airlines
Deal found 7/22![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/16:00 am
PWM
- SEA
1 stop8h 50m
American Airlines
Sat 9/1211:57 pm
SEA
- PWM
1 stop10h 08m
American Airlines
Deal found 7/22![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/16:00 am
PWM
- GEG
1 stop8h 39m
United Airlines
Sat 9/55:00 am
GEG
- PWM
2 stops13h 23m
United Airlines
Deal found 7/22![United Airlines logo]()
$368
This deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:02 am
PWM
- PDX
1 stop8h 33m
Delta
Wed 9/1612:25 am
PDX
- PWM
1 stop7h 20m
Delta
Deal found 7/22![Delta logo]()
$368
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/36:09 pm
PWM
- PDX
1 stop8h 50m
American Airlines
Tue 9/811:09 pm
PDX
- PWM
1 stop10h 56m
American Airlines
Deal found 7/25![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/3011:55 am
PWM
- SEA
1 stop8h 02m
Delta
Tue 11/39:55 pm
SEA
- PWM
1 stop8h 35m
Delta
Deal found 7/23![Delta logo]()
$370
This deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:02 am
PWM
- PDX
1 stop8h 33m
Delta
Wed 9/1612:25 am
PDX
- PWM
1 stop7h 20m
Delta
Deal found 7/22![Delta logo]()
$373
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/19:08 am
PWM
- GEG
2 stops14h 34m
American Airlines
Sat 9/55:40 am
GEG
- PWM
2 stops13h 35m
American Airlines
Deal found 7/22![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/216:00 am
PWM
- PDX
1 stop8h 33m
United Airlines
Sat 10/248:40 am
PDX
- PWM
2 stops10h 06m
United Airlines
Deal found 7/24![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/86:09 pm
PWM
- SEA
1 stop8h 50m
American Airlines
Tue 9/158:20 am
SEA
- PWM
1 stop8h 18m
American Airlines
Deal found 7/24![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/14:30 pm
PWM
- SEA
1 stop9h 26m
American Airlines
Fri 9/118:24 am
SEA
- PWM
1 stop10h 49m
American Airlines
Deal found 7/25![American Airlines logo]()
$375
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 July 26, 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 July 26, 2026.
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/11:05 pm
PWM
- PDX
2 stops12h 10m
Southwest
Mon 9/1410:45 pm
PDX
- PWM
1 stop8h 10m
Southwest
Deal found 7/21![Southwest logo]()
$368
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/116:30 am
PWM
- GEG
1 stop9h 56m
American Airlines
Wed 9/166:30 am
GEG
- PWM
2 stops14h 17m
American Airlines
Deal found 7/21![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 11/115:08 pm
PWM
- SEA
1 stop8h 59m
United Airlines
Sun 11/158:09 am
SEA
- PWM
1 stop7h 53m
United Airlines
Deal found 7/24![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/76:00 am
PWM
- PDX
1 stop8h 41m
Delta
Fri 9/1812:25 am
PDX
- PWM
2 stops12h 30m
Delta
Deal found 7/21![Delta logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 10/3111:28 am
PWM
- BLI
2 stops14h 07m
Alaska Airlines
Wed 11/47:37 pm
BLI
- PWM
2 stops12h 00m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$728
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/510:30 am
PWM
- PDX
2 stops12h 45m
Southwest
Sat 9/1210:45 pm
PDX
- PWM
1 stop8h 50m
Southwest
Deal found 7/22![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:57 pm
PWM
- PDX
1 stop8h 55m
United Airlines
Fri 9/2511:30 pm
PDX
- PWM
1 stop8h 10m
United Airlines
Deal found 7/23![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/202:10 pm
PWM
- PDX
2 stops12h 30m
Southwest
Wed 8/265:50 am
PDX
- PWM
2 stops12h 20m
Southwest
Deal found 7/21![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/36:38 am
PWM
- PDX
2 stops16h 24m
Delta
Sun 10/118:44 pm
PDX
- PWM
2 stops11h 06m
Delta
Deal found 7/23![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/227:25 am
PWM
- PDX
2 stops11h 55m
Southwest
Sat 8/2911:30 pm
PDX
- PWM
2 stops10h 15m
Southwest
Deal found 7/25![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/246:03 am
PWM
- SEA
2 stops12h 49m
United Airlines
Mon 8/317:00 am
SEA
- PWM
1 stop7h 42m
United Airlines
Deal found 7/25![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/154:45 pm
PWM
- GEG
2 stops10h 14m
Delta
Sun 9/207:30 pm
GEG
- PWM
2 stops12h 15m
Delta
Deal found 7/23![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/175:35 am
PWM
- SEA
2 stops11h 20m
Southwest
Sat 10/249:10 am
SEA
- PWM
2 stops10h 00m
Southwest
Deal found 7/24![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/279:10 am
PWM
- GEG
2 stops14h 55m
United Airlines
Sat 10/315:00 am
GEG
- PWM
1 stop8h 02m
United Airlines
Deal found 7/22![United Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/175:55 am
PWM
- GEG
2 stops12h 05m
Southwest
Sun 9/2011:25 am
GEG
- PWM
1 stop7h 10m
Southwest
Deal found 7/23![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/53:45 pm
PWM
- PDX
1 stop9h 18m
United Airlines
Wed 9/95:00 am
PDX
- PWM
2 stops13h 44m
United Airlines
Deal found 7/22![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 11/105:08 pm
PWM
- PDX
1 stop8h 54m
United Airlines
Sat 11/1410:47 am
PDX
- PWM
1 stop8h 04m
United Airlines
Deal found 7/25![United Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/82:50 pm
PWM
- SEA
2 stops11h 50m
Southwest
Tue 9/1510:30 pm
SEA
- PWM
1 stop8h 25m
Southwest
Deal found 7/25![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/16:00 am
PWM
- SEA
2 stops11h 24m
United Airlines
Sat 9/125:00 am
SEA
- PWM
2 stops10h 29m
United Airlines
Deal found 7/22![United Airlines logo]()
$485
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/21:05 pm
PWM
- PDX
2 stops10h 35m
Southwest
Thu 9/107:55 pm
PDX
- PWM
2 stops10h 55m
Southwest
Deal found 7/24![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 11/33:10 pm
PWM
- SEA
1 stop9h 29m
United Airlines
Sat 11/75:05 am
SEA
- PWM
1 stop7h 57m
United Airlines
Deal found 7/25![United Airlines logo]()
$485
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/42:10 pm
PWM
- PDX
2 stops12h 35m
Southwest
Wed 9/95:50 am
PDX
- PWM
2 stops12h 25m
Southwest
Deal found 7/25![Southwest logo]()
$458
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/313:27 pm
PWM
- PSC
1 stop8h 21m
United Airlines
Wed 11/45:15 am
PSC
- PWM
1 stop7h 47m
United Airlines
Deal found 7/22![United Airlines logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/33:06 pm
PWM
- BLI
2 stops11h 53m
Alaska Airlines
Wed 9/167:26 pm
BLI
- PWM
2 stops11h 37m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$1,001
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/185:45 am
PWM
- SEA
2 stops12h 15m
Southwest
Tue 8/257:30 pm
SEA
- PWM
2 stops11h 25m
Southwest
Deal found 7/23![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/161:05 pm
PWM
- GEG
2 stops12h 25m
Southwest
Sun 9/2011:25 am
GEG
- PWM
1 stop7h 10m
Southwest
Deal found 7/23![Southwest logo]()
$468
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/271:05 pm
PWM
- SEA
2 stops10h 40m
Southwest
Sun 8/305:40 am
SEA
- PWM
1 stop12h 50m
Southwest
Deal found 7/25![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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.
Mon 8/247:40 am
PWM
- SEA
2 stops10h 15m
Southwest
Mon 8/3111:05 pm
SEA
- PWM
2 stops10h 20m
Southwest
Deal found 7/25![Southwest logo]()
$487
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Sun 8/912:06 pm
PWM
- BLI
2 stops14h 53m
American Airlines
Sat 8/156:00 am
BLI
- PWM
2 stops11h 10m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,624
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Sun 8/912:06 pm
PWM
- BLI
2 stops14h 53m
American Airlines
Sun 8/166:00 am
BLI
- PWM
2 stops13h 48m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,626
Last-minute flights from Portland to WashingtonDiscover last-minute flight deals from Portland to Washington. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Washington. Data last updated July 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/46:00 am
PWM
- GEG
1 stop8h 48m
United Airlines
Fri 8/711:09 am
GEG
- PWM
1 stop7h 32m
United Airlines
Deal found 7/21![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/46:05 am
PWM
- GEG
1 stop8h 16m
Delta
Fri 8/77:54 pm
GEG
- PWM
2 stops11h 51m
Delta
Deal found 7/21![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/56:05 am
PWM
- GEG
1 stop8h 16m
Delta
Sat 8/86:45 am
GEG
- PWM
2 stops11h 48m
Delta
Deal found 7/22![Delta logo]()
$638
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Mon 8/175:30 am
PWM
- PDX
1 stop9h 20m
American Airlines
Thu 8/2011:34 pm
PDX
- PWM
1 stop9h 04m
American Airlines
Deal found 7/23![American Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1811:50 am
PWM
- PDX
1 stop8h 44m
Delta
Tue 8/2511:50 am
PDX
- PWM
2 stops10h 09m
Delta
Deal found 7/21![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/205:03 pm
PWM
- PDX
1 stop8h 49m
United Airlines
Thu 8/278:25 am
PDX
- PWM
1 stop7h 59m
United Airlines
Deal found 7/21![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/206:09 pm
PWM
- PDX
1 stop8h 50m
American Airlines
Thu 8/2711:34 pm
PDX
- PWM
1 stop9h 04m
American Airlines
Deal found 7/24![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/202:10 pm
PWM
- PDX
2 stops12h 30m
Southwest
Wed 8/265:50 am
PDX
- PWM
2 stops12h 20m
Southwest
Deal found 7/21![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/206:00 am
PWM
- PDX
1 stop8h 41m
Delta
Tue 8/2512:35 am
PDX
- PWM
1 stop7h 10m
Delta
Deal found 7/21![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/202:10 pm
PWM
- PDX
2 stops12h 30m
Southwest
Thu 8/277:55 pm
PDX
- PWM
2 stops10h 55m
Southwest
Deal found 7/21![Southwest logo]()
$396
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/225:30 am
PWM
- PDX
1 stop9h 20m
American Airlines
Sat 8/295:18 am
PDX
- PWM
1 stop10h 34m
American Airlines
Deal found 7/25![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/227:25 am
PWM
- PDX
2 stops11h 55m
Southwest
Sat 8/2911:30 pm
PDX
- PWM
2 stops10h 15m
Southwest
Deal found 7/25![Southwest logo]()
$389
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 July 26, 2026.
Search for one-way flight options from Portland to Washington. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:45 pm
PWM
- SEA
1 stop9h 23m
JetBlue
Deal found 7/22![JetBlue logo]()
$178
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/56:03 am
PWM
- GEG
1 stop8h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/296:05 am
PWM
- PDX
1 stop9h 53m
Delta
Deal found 7/23![Delta logo]()
$182
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/293:06 pm
PWM
- SEA
1 stop10h 50m
American Airlines
Deal found 7/22![American Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/67:00 am
PWM
- GEG
1 stop9h 21m
American Airlines
Deal found 7/24![American Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/295:30 am
PWM
- PDX
1 stop9h 20m
American Airlines
Deal found 7/25![American Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/56:00 am
PWM
- PDX
1 stop8h 41m
Delta
Deal found 7/22![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/292:57 pm
PWM
- SEA
1 stop11h 23m
Delta
Deal found 7/21![Delta logo]()
$188
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/175:55 am
PWM
- GEG
2 stops12h 05m
Southwest
Deal found 7/24![Southwest logo]()
$190
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 10/66:00 am
PWM
- PDX
2 stops12h 06m
United Airlines
Deal found 7/25![United Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/125:30 am
PWM
- PDX
1 stop9h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:55 pm
PWM
- PDX
2 stops11h 52m
Delta
Deal found 7/21![Delta logo]()
$192
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 July 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (United Airlines) |
One-way from | $178 |
Popular in | June |
Cheapest in | November |
Average price | $539 |
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 2,558,603 searches. Data last updated July 26, 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 - PDX
PWMPDX
Portland
Tue 9/1
1:05 pm-10:15 pm
2 stops12h 10m
Portland
Mon 9/14
10:45 pm-9:55 am
1 stop8h 10m
$368
PortlandPortland
PWM - PDX
PWMPDX
Portland
Sat 9/5
10:30 am-8:15 pm
2 stops12h 45m
Portland
Sat 9/12
10:45 pm-10:35 am
1 stop8h 50m
$377
PortlandPortland
PWM - PDX
PWMPDX
Portland
Thu 8/20
2:10 pm-11:40 pm
2 stops12h 30m
Portland
Wed 8/26
5:50 am-9:10 pm
2 stops12h 20m
$382
PortlandPortland
PWM - PDX
PWMPDX
Portland
Sat 8/22
7:25 am-4:20 pm
2 stops11h 55m
Portland
Sat 8/29
11:30 pm-12:45 pm
2 stops10h 15m
$389
PortlandSpokane
PWM - GEG
PWMGEG
Portland
Fri 9/11
6:30 am-1:26 pm
1 stop9h 56m
Spokane
Wed 9/16
6:30 am-11:47 pm
2 stops14h 17m
$398
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Sat 10/17
5:35 am-1:55 pm
2 stops11h 20m
Seattle/Tacoma Intl
Sat 10/24
9:10 am-10:10 pm
2 stops10h 00m
$404
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Wed 11/11
5:08 pm-11:07 pm
1 stop8h 59m
Seattle/Tacoma Intl
Sun 11/15
8:09 am-7:02 pm
1 stop7h 53m
$419
PortlandPortland
PWM - PDX
PWMPDX
Portland
Mon 9/21
4:57 pm-10:52 pm
1 stop8h 55m
Portland
Fri 9/25
11:30 pm-10:40 am
1 stop8h 10m
$420
PortlandSpokane
PWM - GEG
PWMGEG
Portland
Thu 9/17
5:55 am-3:00 pm
2 stops12h 05m
Spokane
Sun 9/20
11:25 am-9:35 pm
1 stop7h 10m
$425
PortlandPortland
PWM - PDX
PWMPDX
Portland
Mon 9/7
6:00 am-11:41 am
1 stop8h 41m
Portland
Fri 9/18
12:25 am-3:55 pm
2 stops12h 30m
$439
Showing 1-10 of 60 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-PSC
PWM-BLI
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-PSC
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 $374). 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 below average for this route at the moment.
Portland, Maine to State of Washington flights typically cost between $484 and $676 in September.The cheapest round-trip price found within the last 5 days was $365 on American Airlines (Sep 1-Sep 12).
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 35 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 July 26, 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.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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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Search flights from Portland to Washington by cabin class
Find flights from Portland to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Washington flights
Browse other Portland and Washington flight options. Last updated on July 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Washington flights
Consider these flights traveling from Portland to Washington.
Top 5 airlines flying from Portland to Washington
Discover the top 5 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 2,558,603 searches. Data last updated July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$502 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$517 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$638 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$405 | Average$534 | FlexibilityNo cancel fee | On-time63% |