$128+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SEA
Oct 15 — Oct 221
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 September 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/144:15 pm -
1 stop9h 49m
Sat 10/1711:50 am -
1 stop9h 20m
Deal found 9/15![Delta logo]()
$245
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/812:06 pm -
1 stop11h 14m
Mon 12/1411:34 pm -
1 stop8h 54m
Deal found 9/14![American Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 stop11h 43m
Mon 11/211:34 pm -
1 stop8h 54m
Deal found 9/14![American Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/811:40 am -
2 stops13h 24m
Mon 12/146:00 am -
1 stop7h 11m
Deal found 9/14![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/15![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/412:50 pm -
1 stop10h 30m
Wed 11/1111:34 pm -
1 stop9h 24m
Deal found 9/14![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/72:33 pm -
1 stop9h 17m
Sat 11/1411:20 pm -
1 stop9h 38m
Deal found 9/14![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/315:30 am -
1 stop9h 39m
Sun 11/811:34 pm -
1 stop9h 19m
Deal found 9/14![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/318:31 am -
1 stop10h 01m
Wed 11/45:05 am -
1 stop7h 57m
Deal found 9/14![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:10 pm -
2 stops10h 43m
Sun 11/811:59 pm -
1 stop10h 02m
Deal found 9/14![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/10![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/412:50 pm -
1 stop9h 57m
Mon 12/1411:09 pm -
1 stop9h 19m
Deal found 9/14![American Airlines logo]()
$370
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/94:03 pm -
1 stop9h 57m
Fri 11/1311:47 pm -
2 stops9h 11m
Deal found 9/14![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/175:08 pm -
1 stop8h 59m
Sat 11/2110:56 pm -
2 stops12h 31m
Deal found 9/11![United Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/32:51 pm -
2 stops12h 16m
Sat 10/109:44 pm -
2 stops10h 12m
Deal found 9/10![American Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/1712:45 pm -
2 stops13h 05m
Sat 11/215:30 pm -
2 stops14h 00m
Deal found 9/11![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 stops15h 55m
Sat 11/1411:20 pm -
1 stop9h 38m
Deal found 9/10![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/44:53 pm -
1 stop8h 14m
Mon 12/1411:23 pm -
2 stops13h 48m
Deal found 9/14![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 50m
Tue 11/38:30 am -
1 stop7h 32m
Deal found 9/14![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/10![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/2411:35 am -
2 stops13h 36m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/106:17 am -
2 stops14h 31m
Sun 11/1511:09 pm -
2 stops13h 24m
Deal found 9/13![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/116:00 am -
2 stops11h 55m
Sat 11/1411:15 pm -
2 stops9h 04m
Deal found 9/13![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/226:00 am -
1 stop8h 27m
Mon 10/2610:56 pm -
2 stops11h 30m
Deal found 9/11![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/184:50 pm -
1 stop8h 08m
Wed 11/2511:15 pm -
2 stops13h 01m
Deal found 9/12![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/298:03 am -
2 stops15h 37m
Tue 10/65:05 am -
2 stops12h 17m
Deal found 9/11![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/16:15 am -
2 stops13h 18m
Deal found 9/14![American Airlines logo]()
$577
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 12/106:00 am -
1 stop11h 44m
Tue 12/1511:55 am -
1 stop9h 26m
Deal found 9/13![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Sun 11/83:23 pm -
1 stop10h 46m
Sat 11/148:30 am -
1 stop7h 32m
Deal found 9/11![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/114:50 pm -
2 stops10h 01m
Sun 11/157:35 pm -
2 stops13h 23m
Deal found 9/10![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/13![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 2/512:50 pm -
2 stops10h 37m
Wed 2/106:05 am -
2 stops14h 01m
Deal found 9/11![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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
Sun 11/15:00 am -
1 stop8h 02m
Deal found 9/10![United Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/13![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/2411:55 am -
2 stops12h 27m
Sun 11/17:05 am -
2 stops14h 05m
Deal found 9/10![Delta logo]()
$487
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/10![American Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/298:03 am -
2 stops15h 37m
Mon 10/55:05 am -
1 stop7h 57m
Deal found 9/14![United Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/265:38 pm -
2 stops22h 45m
Wed 9/305:00 am -
2 stops15h 47m
Deal found 9/11![American Airlines logo]()
$1,170
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 9/299:00 am -
2 stops17h 44m
Wed 9/305:26 am -
2 stops11h 12m
Deal found 9/12![American Airlines logo]()
$1,521
This Alaska Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:03 pm -
2 stops12h 51m
Fri 10/25:00 am -
2 stops13h 55m
Deal found 9/13![Alaska Airlines logo]()
$6,693
Last-minute flights from Portland to WashingtonDiscover last-minute flight deals from Portland to Washington. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Washington. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/298:03 am -
2 stops15h 37m
Tue 10/65:05 am -
2 stops12h 17m
Deal found 9/11![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/32:51 pm -
2 stops12h 16m
Sat 10/109:44 pm -
2 stops10h 12m
Deal found 9/10![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/144:15 pm -
1 stop9h 49m
Sat 10/1711:50 am -
1 stop9h 20m
Deal found 9/15![Delta logo]()
$245
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:15 pm -
1 stop9h 49m
Sat 10/246:00 am -
2 stops12h 01m
Deal found 9/10![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/164:40 pm -
1 stop9h 25m
Mon 10/1910:55 pm -
1 stop10h 16m
Deal found 9/14![American Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/2411:35 am -
2 stops13h 36m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 stop11h 43m
Mon 11/211:34 pm -
1 stop8h 54m
Deal found 9/14![American Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/303:25 pm -
2 stops12h 35m
Mon 11/26:35 pm -
2 stops12h 15m
Deal found 9/14![Southwest logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/315:30 am -
1 stop9h 39m
Sun 11/811:34 pm -
1 stop9h 19m
Deal found 9/14![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/318:31 am -
1 stop10h 01m
Wed 11/45:05 am -
1 stop7h 57m
Deal found 9/14![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:10 pm -
2 stops10h 43m
Sun 11/811:59 pm -
1 stop10h 02m
Deal found 9/14![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 50m
Tue 11/38:30 am -
1 stop7h 32m
Deal found 9/14![United Airlines logo]()
$415
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 15, 2026.
Search for one-way flight options from Portland to Washington. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/212:45 pm -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$128
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/274:54 pm -
1 stop9h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$153
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/266:03 am -
1 stop8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$175
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/243:41 pm -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/212:50 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/306:03 am -
1 stop8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$196
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/2410:07 am -
2 stops12h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$205
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/22:32 pm -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$206
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/36:00 am -
2 stops10h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/2010:52 am -
2 stops11h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/13![American Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/276:03 am -
1 stop8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$239
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Delta) |
One-way from | $128 (Southwest) |
Popular in | June |
Cheapest in | May |
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 15, 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 10/27
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
Sat 10/24
6:00 am-1:15 pm
2 stops10h 15m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$190
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Wed 12/2
4:00 pm-12:01 am
2 stops11h 01m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$190
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Fri 10/30
6:03 am-11:56 am
1 stop8h 53m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Sat 10/3
6:00 am-1:19 pm
2 stops10h 19m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$223
Quickest round-trip
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Sat 10/24
7:00 am-11:50 am
1 stop7h 50m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/27
7:00 am-12:22 pm
1 stop8h 22m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/20
4:40 pm-11:05 pm
1 stop9h 25m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$243
PortlandSeattle
PWM Portland - SEA Seattle/Tacoma Intl
PWMSEA
Portland
Thu 10/1
3:41 pm-9:55 pm
1 stop9h 14m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$248
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/20
6:00 am-11:33 am
1 stop8h 33m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
Showing 1-10 of 51 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-GEG
PWM-SEA
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-GEG
PWM-SEA
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 $404). 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 $319 and $490 in October.The cheapest round-trip price found within the last 5 days was $245 on Delta (Oct 14-Oct 17).
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 September 15, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
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Portland and Washington flights
Browse other Portland and Washington flight options. Last updated on September 15, 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 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$585 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$633 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$405 | Average$534 | FlexibilityNo cancel fee | On-time63% |