$75+ Cheap flights from Philadelphia (PHL) 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Mar 22 — Mar 291
1 adult, Economy
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Find cheap flights from Philadelphia to Washington 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
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Cheapest flights from Philadelphia to WashingtonExplore the most affordable flight options available from Philadelphia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.
Explore the most affordable flight options available from Philadelphia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 5/68:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Wed 5/131:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/18![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Wed 4/291:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/17![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Sat 5/28:41 pm
PHL
- PDX
1 stop16h 39m
Frontier
Sat 5/912:27 pm
PDX
- PHL
1 stop14h 07m
Frontier
Deal found 2/18![Frontier logo]()
$175
This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:25 pm
PHL
- PDX
1 stop19h 37m
Frontier
Sat 4/2512:27 pm
PDX
- PHL
1 stop14h 07m
Frontier
Deal found 2/17![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/148:41 pm
PHL
- PDX
1 stop19h 21m
Frontier
Thu 4/1611:48 am
PDX
- PHL
2 stops20h 09m
Frontier
Deal found 2/20![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Tue 5/58:25 pm
PHL
- PDX
1 stop19h 37m
Multiple Airlines
Tue 5/121:48 pm
PDX
- PHL
2 stops31h 08m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:25 pm
PHL
- PDX
1 stop17h 38m
Multiple Airlines
Tue 5/121:48 pm
PDX
- PHL
2 stops31h 08m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Fri 4/178:41 pm
PHL
- PDX
1 stop18h 01m
Frontier
Tue 4/2112:38 pm
PDX
- PHL
2 stops33h 16m
Frontier
Deal found 2/18![Frontier logo]()
$199
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Tue 5/121:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/18![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/208:41 pm
PHL
- PDX
1 stop18h 11m
Frontier
Mon 4/2712:45 pm
PDX
- PHL
2 stops37h 49m
Frontier
Deal found 2/20![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
Sun 4/268:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Fri 5/110:06 pm
SEA
- PHL
2 stops52h 28m
Frontier
Deal found 2/20![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Thu 4/1610:38 pm
PHL
- SEA
2 stops37h 49m
Frontier
Fri 4/244:20 pm
SEA
- PHL
1 stop10h 14m
Frontier
Deal found 2/16![Frontier logo]()
$238
Best flights from Philadelphia to WashingtonDiscover carefully curated flight deals from Philadelphia to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
Discover carefully curated flight deals from Philadelphia to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:45 pm
PHL
- PDX
Nonstop5h 52m
Alaska Airlines
Sat 6/138:00 am
PDX
- PHL
Nonstop5h 06m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:54 pm
PHL
- PDX
1 stop8h 36m
United Airlines
Tue 6/211:40 pm
PDX
- PHL
1 stop7h 50m
United Airlines
Deal found 2/17![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:22 pm
PHL
- GEG
1 stop8h 37m
Multiple Airlines
Thu 3/1911:32 am
GEG
- PHL
1 stop14h 59m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 5/86:59 am
PHL
- SEA
Nonstop5h 51m
Delta
Wed 5/279:27 pm
SEA
- PHL
Nonstop5h 17m
Delta
Deal found 2/20![Delta logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:09 pm
PHL
- GEG
2 stops46h 18m
Frontier
Thu 3/1211:32 am
GEG
- PHL
1 stop14h 59m
Frontier
Deal found 2/17![Frontier logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:45 pm
PHL
- PDX
Nonstop5h 52m
Alaska Airlines
Fri 6/128:00 am
PDX
- PHL
Nonstop5h 06m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/143:40 pm
PHL
- PDX
1 stop8h 34m
United Airlines
Sat 4/188:40 am
PDX
- PHL
2 stops9h 52m
United Airlines
Deal found 2/19![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 2/17. 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.
Thu 5/76:59 am
PHL
- SEA
Nonstop5h 51m
Delta
Mon 5/119:27 pm
SEA
- PHL
Nonstop5h 17m
Delta
Deal found 2/17![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/16. 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 5/76:34 pm
PHL
- PDX
1 stop8h 21m
United Airlines
Mon 5/1111:55 pm
PDX
- PHL
1 stop7h 34m
United Airlines
Deal found 2/16![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:15 pm
PHL
- PDX
Nonstop5h 51m
Alaska Airlines
Thu 8/138:00 am
PDX
- PHL
Nonstop5h 06m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 2/19. 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 5/206:59 am
PHL
- SEA
Nonstop5h 51m
Delta
Sun 5/249:27 pm
SEA
- PHL
Nonstop5h 17m
Delta
Deal found 2/19![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:15 pm
PHL
- PDX
Nonstop5h 51m
Alaska Airlines
Tue 8/118:00 am
PDX
- PHL
Nonstop5h 06m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 4/246:47 pm
PHL
- PDX
1 stop8h 11m
United Airlines
Mon 4/2711:59 pm
PDX
- PHL
2 stops11h 11m
United Airlines
Deal found 2/16![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/19. 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 5/95:18 pm
PHL
- SEA
1 stop8h 10m
Delta
Sat 5/169:27 pm
SEA
- PHL
Nonstop5h 17m
Delta
Deal found 2/19![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Wed 4/812:00 pm
PHL
- GEG
2 stops25h 21m
Frontier
Sun 4/1211:06 am
GEG
- PHL
1 stop15h 25m
Frontier
Deal found 2/19![Frontier logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Wed 4/229:44 pm
SEA
- PHL
Nonstop5h 18m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:08 pm
PHL
- PUW
1 stop9h 14m
American Airlines
Sun 5/243:27 pm
PUW
- PHL
1 stop12h 20m
American Airlines
Deal found 2/17![American Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 2/18. 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.
Sun 5/107:01 pm
PHL
- SEA
1 stop7h 40m
Delta
Sun 5/319:27 pm
SEA
- PHL
Nonstop5h 17m
Delta
Deal found 2/18![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:45 pm
PHL
- PDX
1 stop8h 07m
United Airlines
Tue 7/711:40 pm
PDX
- PHL
1 stop7h 50m
United Airlines
Deal found 2/17![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Thu 4/239:44 pm
SEA
- PHL
Nonstop5h 18m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 2/19. 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 5/96:05 pm
PHL
- GEG
1 stop7h 24m
Delta
Sat 5/165:36 pm
GEG
- PHL
1 stop9h 08m
Delta
Deal found 2/19![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:10 pm
PHL
- SEA
1 stop9h 53m
United Airlines
Wed 3/2511:59 pm
SEA
- PHL
1 stop7h 15m
United Airlines
Deal found 2/17![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Fri 4/249:44 pm
SEA
- PHL
Nonstop5h 18m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 2/17. 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 4/107:00 am
PHL
- SEA
1 stop10h 54m
Delta
Sat 4/186:00 am
SEA
- PHL
1 stop7h 47m
Delta
Deal found 2/17![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Sat 4/189:55 pm
SEA
- PHL
Nonstop5h 10m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:35 am
PHL
- PDX
2 stops11h 39m
United Airlines
Tue 3/315:00 am
PDX
- PHL
1 stop7h 47m
United Airlines
Deal found 2/17![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Mon 4/209:55 pm
SEA
- PHL
Nonstop5h 10m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/189:55 am
PHL
- GEG
2 stops10h 31m
United Airlines
Wed 3/256:37 pm
GEG
- PHL
2 stops12h 10m
United Airlines
Deal found 2/18![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 4/26:00 am
PHL
- PSC
2 stops13h 55m
Delta
Mon 4/65:19 pm
PSC
- PHL
1 stop9h 22m
Delta
Deal found 2/19![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:15 pm
PHL
- PDX
Nonstop5h 51m
Alaska Airlines
Tue 8/258:00 am
PDX
- PHL
Nonstop5h 06m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$297
Last-minute flights from Philadelphia to WashingtonDiscover last-minute flight deals from Philadelphia to Washington. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Washington. Data last updated February 20, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:05 pm
PHL
- SEA
1 stop19h 56m
Frontier
Mon 3/912:24 pm
SEA
- PHL
1 stop14h 07m
Frontier
Deal found 2/16![Frontier logo]()
$257
This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:25 pm
PHL
- SEA
1 stop17h 54m
Frontier
Thu 3/1212:24 pm
SEA
- PHL
1 stop14h 07m
Frontier
Deal found 2/17![Frontier logo]()
$272
This Booking.com deal was found by Cheapflights users on 2/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:25 pm
PHL
- PDX
1 stop17h 44m
Frontier
Thu 3/1212:04 pm
PDX
- PHL
1 stop14h 27m
Frontier
Deal found 2/17![Frontier logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
PHL
- PDX
1 stop10h 04m
United Airlines
Fri 3/1311:10 pm
PDX
- PHL
1 stop7h 37m
United Airlines
Deal found 2/17![United Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:22 pm
PHL
- GEG
1 stop8h 37m
Multiple Airlines
Thu 3/1911:32 am
GEG
- PHL
1 stop14h 59m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:15 pm
PHL
- PDX
2 stops11h 55m
United Airlines
Tue 3/2411:59 pm
PDX
- PHL
1 stop7h 14m
United Airlines
Deal found 2/17![United Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 3/186:20 pm
PHL
- PDX
1 stop9h 15m
United Airlines
Wed 4/12:10 pm
PDX
- PHL
1 stop7h 35m
United Airlines
Deal found 2/20![United Airlines logo]()
$237
This Booking.com deal was found by Cheapflights users on 2/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:25 pm
PHL
- SEA
1 stop17h 54m
Frontier
Thu 3/2612:24 pm
SEA
- PHL
1 stop14h 07m
Frontier
Deal found 2/18![Frontier logo]()
$273
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:25 pm
PHL
- PDX
1 stop17h 44m
Frontier
Thu 3/2612:04 pm
PDX
- PHL
1 stop14h 27m
Frontier
Deal found 2/19![Frontier logo]()
$275
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:25 pm
PHL
- SEA
1 stop17h 54m
Frontier
Mon 3/2312:24 pm
SEA
- PHL
1 stop14h 07m
Frontier
Deal found 2/18![Frontier logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:35 pm
PHL
- SEA
Nonstop6h 22m
American Airlines
Mon 3/2310:57 pm
SEA
- PHL
Nonstop5h 05m
American Airlines
Deal found 2/18![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:20 pm
PHL
- PDX
1 stop9h 15m
United Airlines
Tue 3/315:00 am
PDX
- PHL
1 stop7h 47m
United Airlines
Deal found 2/17![United Airlines logo]()
$270
One-way flights from Philadelphia to WashingtonSearch for one-way flight options from Philadelphia to Washington. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
Search for one-way flight options from Philadelphia to Washington. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:25 pm
PHL
- PDX
1 stop19h 37m
Frontier
Deal found 2/17![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Sat 4/188:41 pm
PHL
- PDX
1 stop16h 39m
Frontier
Deal found 2/18![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/17![Frontier logo]()
$97
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:41 pm
PHL
- PDX
1 stop18h 01m
Frontier
Deal found 2/18![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/208:41 pm
PHL
- PDX
1 stop18h 11m
Frontier
Deal found 2/20![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/208:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/19![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 5/68:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Deal found 2/18![Frontier logo]()
$102
Find flight deals from Philadelphia to Washington
Keep the following information in mind while searching for Philadelphia to Washington flight deals. Data was last updated February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $170 (Kiwi.com) |
One-way from | $75 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $347 |
Good round-trip deal | $353 or less |
Good one-way deal | $223 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 February 20, 2026.
Use the filters below to find and compare flights from Philadelphia to Washington that are best for you.
Fly from
Philadelphia
Fly to
Washington
Route
Depart
Return
Price
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Wed 6/3
4:45 pm-7:37 pm
Nonstop5h 52m
Portland
Sat 6/13
8:00 am-4:06 pm
Nonstop5h 06m
$217
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Sat 5/23
4:54 pm-10:30 pm
1 stop8h 36m
Portland
Tue 6/2
11:40 pm-10:30 am
1 stop7h 50m
$237
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Sat 6/6
4:45 pm-7:37 pm
Nonstop5h 52m
Portland
Fri 6/12
8:00 am-4:06 pm
Nonstop5h 06m
$237
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Tue 4/14
3:40 pm-9:14 pm
1 stop8h 34m
Portland
Sat 4/18
8:40 am-9:32 pm
2 stops9h 52m
$242
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Tue 3/17
6:22 pm-11:59 pm
1 stop8h 37m
Spokane
Thu 3/19
11:32 am-5:31 am
1 stop14h 59m
$273
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Fri 5/8
6:59 am-9:50 am
Nonstop5h 51m
Seattle/Tacoma Intl
Wed 5/27
9:27 pm-5:44 am
Nonstop5h 17m
$277
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Thu 5/7
6:59 am-9:50 am
Nonstop5h 51m
Seattle/Tacoma Intl
Mon 5/11
9:27 pm-5:44 am
Nonstop5h 17m
$277
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Thu 5/7
6:34 pm-11:55 pm
1 stop8h 21m
Portland
Mon 5/11
11:55 pm-10:29 am
1 stop7h 34m
$277
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Sat 8/8
5:15 pm-8:06 pm
Nonstop5h 51m
Portland
Thu 8/13
8:00 am-4:06 pm
Nonstop5h 06m
$277
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Wed 5/20
6:59 am-9:50 am
Nonstop5h 51m
Seattle/Tacoma Intl
Sun 5/24
9:27 pm-5:44 am
Nonstop5h 17m
$277
Showing 1-10 of 60 results
Best time to book a flight from Philadelphia to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Philadelphia with our price prediction graph.
PHL-PDX
PHL-SEA
PHL-GEG
PHL-PUW
PHL-PSC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Washington
PHL-USWA
PHL-PDX
PHL-SEA
PHL-GEG
PHL-PUW
What is the cheapest month to book a flight from Philadelphia to State of Washington?
Currently, October is the cheapest month in which you can book a flight from Philadelphia to State of Washington (average of $148). Flying from Philadelphia to State of Washington in July is currently the most expensive (average of $222). 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 PHL to WA?
Find hourly flight availability from Philadelphia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to State of Washington as you normally would.
Weekly flight availability from Philadelphia to State of Washington
Explore weekly flight availability from Philadelphia to Washington. 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 February 20, 2026.
The most flights from PHL to USWA are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
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 February 20, 2026.
Read through reviews of airlines operating flights from Philadelphia to Washington, such as Alaska Airlines, Delta, and Hawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Philadelphia 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 Philadelphia to Washington
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Complete your trip
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Find flights from Philadelphia to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Washington flights
Browse other Philadelphia and Washington flight options. Last updated on February 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Washington flights
Consider these flights traveling from Philadelphia to Washington.
Top 9 airlines flying from Philadelphia to Washington
Discover the top 9 airlines that operate flights from Philadelphia 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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$228 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$130 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$461 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$365 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$236 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$516 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$272 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$452 | FlexibilityNo cancel fee | On-time71% |