$127+ Cheap flights from Portland, ME (PWM) to Washington, D.C. (WAS)
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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — WAS
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Washington, D.C. with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in February or January, booked 71 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Portland to Washington, D.C.
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Cheapest flights from Portland to Washington, D.C.Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:09 pm -
2 stops23h 05m
Tue 11/177:05 pm -
1 stop14h 03m
Deal found 10/15![Multiple Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 10/14. 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.
Mon 12/712:45 pm -
Nonstop1h 40m
Tue 12/88:15 am -
Nonstop1h 35m
Deal found 10/14![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/56:12 am -
2 stops10h 03m
Mon 12/76:20 pm -
1 stop6h 01m
Deal found 10/19![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/56:12 am -
1 stop4h 07m
Mon 12/72:00 pm -
2 stops9h 20m
Deal found 10/19![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/35:15 am -
Nonstop2h 00m
Mon 12/78:15 am -
Nonstop1h 35m
Deal found 10/18![Southwest logo]()
$283
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/114:50 pm -
1 stop6h 37m
Sat 11/146:00 am -
1 stop5h 58m
Deal found 10/14![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/44:02 pm -
Nonstop2h 06m
Tue 12/89:45 pm -
Nonstop1h 46m
Deal found 10/19![American Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/1610:25 am -
Nonstop1h 45m
Mon 11/2310:20 pm -
Nonstop1h 35m
Deal found 10/19![Southwest logo]()
$290
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/124:13 pm -
Nonstop1h 55m
Thu 11/198:16 am -
Nonstop1h 48m
Deal found 10/14![American Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/1110:25 am -
Nonstop1h 45m
Sat 11/1410:55 am -
Nonstop1h 30m
Deal found 10/19![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 10/14. 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 11/64:47 pm -
1 stop6h 20m
Thu 11/126:10 am -
1 stop5h 48m
Deal found 10/14![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/124:13 pm -
Nonstop1h 55m
Sun 11/158:00 am -
Nonstop1h 49m
Deal found 10/14![American Airlines logo]()
$298
Best flights from Portland to Washington, D.C.Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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.
Mon 12/712:45 pm -
Nonstop1h 40m
Tue 12/88:15 am -
Nonstop1h 35m
Deal found 10/14![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 10/14. 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 12/74:53 pm -
1 stop6h 42m
Tue 12/86:00 am -
2 stops9h 20m
Deal found 10/14![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/65:50 am -
1 stop4h 34m
Sun 11/86:20 pm -
1 stop5h 01m
Deal found 10/14![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 10/14. 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 11/61:40 pm -
Nonstop1h 40m
Sun 11/88:55 am -
Nonstop1h 35m
Deal found 10/14![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/245:50 am -
1 stop5h 54m
Fri 11/2710:13 pm -
Nonstop1h 46m
Deal found 10/19![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 3/314:50 pm -
1 stop6h 12m
Mon 4/56:10 am -
1 stop5h 43m
Deal found 10/16![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/245:25 am -
Nonstop1h 55m
Fri 11/278:55 am -
Nonstop1h 35m
Deal found 10/16![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/205:50 am -
1 stop5h 54m
Fri 11/2710:13 pm -
Nonstop1h 46m
Deal found 10/19![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/24:53 pm -
1 stop6h 30m
Sat 12/56:20 pm -
1 stop6h 01m
Deal found 10/18![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/15. 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 12/46:00 am -
1 stop5h 49m
Sun 12/66:00 am -
1 stop5h 57m
Deal found 10/15![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:50 am -
1 stop4h 34m
Sat 11/147:00 am -
1 stop6h 26m
Deal found 10/15![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:40 pm -
Nonstop1h 40m
Sun 12/138:55 am -
Nonstop1h 35m
Deal found 10/15![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/116:27 am -
1 stop3h 50m
Sat 11/146:10 am -
1 stop5h 48m
Deal found 10/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 3/313:15 pm -
1 stop5h 18m
Mon 4/55:50 pm -
Nonstop1h 34m
Deal found 10/16![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/45:19 pm -
1 stop5h 12m
Mon 12/77:40 pm -
1 stop3h 40m
Deal found 10/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 4/12:45 pm -
Nonstop1h 40m
Mon 4/55:50 pm -
Nonstop1h 34m
Deal found 10/16![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/15. 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 12/24:53 pm -
1 stop6h 42m
Sat 12/512:00 pm -
1 stop4h 11m
Deal found 10/15![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 10/14. 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.
Tue 11/35:15 am -
Nonstop2h 00m
Wed 11/48:15 am -
Nonstop1h 35m
Deal found 10/14![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:41 pm -
1 stop5h 46m
Sat 11/285:50 pm -
1 stop5h 31m
Deal found 10/15![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 1/86:00 am -
2 stops10h 30m
Mon 1/116:10 am -
1 stop5h 43m
Deal found 10/18![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/305:20 pm -
Nonstop1h 40m
Fri 12/48:15 pm -
Nonstop1h 35m
Deal found 10/16![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 12/104:00 pm -
2 stops7h 34m
Sun 12/136:00 am -
1 stop5h 57m
Deal found 10/15![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/299:46 am -
Nonstop2h 02m
Sat 10/318:37 am -
1 stop4h 49m
Deal found 10/16![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/54:53 pm -
1 stop4h 57m
Sun 12/66:00 am -
1 stop5h 57m
Deal found 10/16![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 1/86:00 am -
1 stop5h 51m
Mon 1/1112:45 pm -
Nonstop1h 48m
Deal found 10/18![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/15. 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 12/114:00 pm -
2 stops7h 35m
Sun 12/136:00 am -
1 stop5h 57m
Deal found 10/15![Delta logo]()
$371
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 11/2611:50 am -
1 stop4h 10m
Mon 11/307:35 pm -
1 stop3h 46m
Deal found 10/15![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/15. 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 11/254:03 pm -
1 stop6h 23m
Thu 11/267:00 am -
1 stop6h 06m
Deal found 10/15![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 10/296:28 am -
2 stops10h 00m
Mon 11/26:32 pm -
1 stop5h 38m
Deal found 10/18![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/64:47 pm -
1 stop6h 20m
Sun 11/811:13 am -
1 stop4h 22m
Deal found 10/17![Delta logo]()
$431
Last-minute flights from Portland to Washington, D.C.Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated October 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/44:47 pm -
1 stop6h 29m
Sat 11/76:32 pm -
1 stop5h 38m
Deal found 10/14![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/65:50 am -
1 stop5h 54m
Sun 11/810:13 pm -
Nonstop1h 46m
Deal found 10/14![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/69:46 am -
Nonstop2h 02m
Mon 11/98:28 am -
Nonstop1h 39m
Deal found 10/14![United Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:09 pm -
2 stops23h 05m
Tue 11/177:05 pm -
1 stop14h 03m
Deal found 10/15![Multiple Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 10/14. 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 11/1110:25 am -
Nonstop1h 45m
Sat 11/1410:55 am -
Nonstop1h 30m
Deal found 10/14![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 11/115:50 am -
1 stop5h 54m
Wed 11/1812:40 pm -
Nonstop1h 47m
Deal found 10/14![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/114:50 pm -
1 stop6h 37m
Sat 11/146:00 am -
1 stop5h 58m
Deal found 10/14![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/116:00 am -
1 stop5h 52m
Wed 11/186:00 am -
2 stops9h 16m
Deal found 10/14![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/127:35 pm -
Nonstop1h 55m
Thu 11/1912:40 pm -
Nonstop1h 47m
Deal found 10/14![United Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/143:04 pm -
Nonstop1h 55m
Sun 11/158:00 am -
Nonstop1h 49m
Deal found 10/19![American Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/1610:25 am -
Nonstop1h 45m
Mon 11/2310:20 pm -
Nonstop1h 35m
Deal found 10/19![Southwest logo]()
$290
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:06 pm -
1 stop22h 49m
Wed 11/181:47 pm -
Nonstop1h 46m
Deal found 10/15![American Airlines logo]()
$299
One-way flights from Portland to Washington, D.C.Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:35 pm -
3 stops21h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:35 pm -
3 stops29h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:31 pm -
2 stops25h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/912:45 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Southwest logo]()
$135
This Southwest deal was found by Cheapflights users on 10/14. 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.
Thu 1/143:25 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/1010:25 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 10/14. 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 1/126:00 am -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/214:50 pm -
1 stop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:28 pm -
2 stops33h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:28 pm -
2 stops24h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 10/14. 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 1/116:00 am -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:10 pm -
2 stops29h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$155
Find flight deals from Portland to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Kiwi.com) |
One-way from | $127 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $322 |
Good round-trip deal | $333 or less |
Good one-way deal | $240 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Washington, D.C. 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 October 19, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Wed 1/13
6:00 am-11:48 am
1 stop5h 48m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Thu 1/14
6:00 am-11:48 am
1 stop5h 48m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Sat 1/16
6:00 am-11:48 am
1 stop5h 48m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Tue 1/12
6:00 am-3:50 pm
2 stops9h 50m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Mon 1/11
6:00 am-3:50 pm
2 stops9h 50m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Fri 11/13
5:20 am-7:20 am
Nonstop2h 00m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Tue 1/5
3:21 pm-5:19 pm
Nonstop1h 58m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
Quickest round-trip
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Sun 11/22
5:10 pm-6:50 pm
Nonstop1h 40m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$205
PortlandWashington, D.C.
PWM Portland - IAD Washington, D.C. Dulles Intl
PWMIAD
Portland
Tue 1/5
7:10 am-11:51 am
1 stop4h 41m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
PortlandBaltimore
PWM Portland - BWI Baltimore/Washington
PWMBWI
Portland
Wed 12/2
10:25 am-12:10 pm
Nonstop1h 45m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Portland to Washington, D.C.
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Washington, D.C. in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Portland with our price prediction graph.
PWM-WAS
PWM-BWI
PWM-IAD
PWM-DCA
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, D.C.
PWM-WAS
PWM-BWI
PWM-IAD
PWM-DCA
What is the cheapest month to book a flight from Portland, Maine to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. (average of $317). Flying from Portland, Maine to Washington, D.C. in March is currently the most expensive (average of $412). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PWM to WAS?
Find hourly flight availability from Portland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
It’s optimal to fly from Portland, Maine to Washington, D.C. in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Portland, Maine to Washington, D.C.
Explore weekly flight availability from Portland to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 19, 2026.
The most flights from PWM to WAS are scheduled on a Saturday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Portland, Maine to Washington, D.C.?
Airfare is below average for this route at the moment.
Portland, Maine to Washington, D.C. flights typically cost between $275 and $379 in November.The cheapest round-trip price found within the last 5 days was $271 on Multiple Airlines (Nov 10-Nov 17).
How far ahead should I book a flight from Portland, Maine to Washington, D.C.?
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Portland, Maine to Washington, D.C.?
Use this chart to determine the cheapest time to fly round-trip from Portland to Washington, D.C.. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Portland, Maine to Washington, D.C. flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated October 19, 2026.
Read through reviews of airlines operating flights from Portland to Washington, D.C., such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Portland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Woodbridge
Arlington
Owings Mills
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Tysons
Towson
Oxon Hill
Laurel
Clinton
Hunt Valley
Waldorf
Silver Spring
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Portland and Washington, D.C. flights
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Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
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Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Top 3 airlines flying from Portland to Washington, D.C.
Discover the top 3 airlines that operate flights from Portland to Washington, D.C.. 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$214 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$402 | FlexibilityNo cancel fee | On-time63% |