$63+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Mar 29 — Nis 51
1 adult, Economy
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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 Şubat 27, 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 Şubat 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/58:25 pm
PHL
- PDX
1 stop19h 37m
Frontier
Sal 5/121:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/58:25 pm
PHL
- PDX
1 stop19h 37m
Frontier
Çar 5/131:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/68:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Sal 5/121:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/68:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Çar 5/131:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 5/78:25 pm
PHL
- PDX
1 stop17h 38m
Frontier
Sal 5/121:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$171
This Trip.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 4/158:00 am
PHL
- PDX
1 stop27h 59m
Frontier
Çar 4/2212:38 pm
PDX
- PHL
1 stop13h 56m
Frontier
Deal found 2/23![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 5/73:41 pm
PHL
- PDX
2 stops22h 22m
Frontier
Çar 5/131:48 pm
PDX
- PHL
1 stop12h 46m
Frontier
Deal found 2/24![Frontier logo]()
$204
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/127:10 am
PHL
- GEG
1 stop8h 03m
Delta
Çar 5/206:45 pm
GEG
- PHL
1 stop8h 25m
Delta
Deal found 2/25![Delta logo]()
$223
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/127:25 am
PHL
- GEG
2 stops14h 18m
Delta
Sal 5/197:23 pm
GEG
- PHL
1 stop7h 14m
Delta
Deal found 2/25![Delta logo]()
$228
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 3/256:49 pm
PHL
- SEA
1 stop8h 14m
Delta
Çar 4/15:30 am
SEA
- PHL
1 stop9h 08m
Delta
Deal found 2/25![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Cum 4/38:33 pm
PHL
- SEA
2 stops18h 04m
Frontier
Çar 4/158:07 pm
SEA
- PHL
1 stop30h 27m
Frontier
Deal found 2/26![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Cmt 4/48:36 pm
PHL
- SEA
1 stop18h 01m
Frontier
Per 4/910:05 pm
SEA
- PHL
2 stops28h 26m
Frontier
Deal found 2/26![Frontier logo]()
$239
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 Şubat 27, 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 Şubat 27, 2026.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Cum 5/297:01 pm
PHL
- SEA
1 stop7h 43m
Delta
Paz 6/79:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 2/26![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Çar 4/227:30 am
PHL
- SEA
2 stops12h 25m
Southwest
Çar 4/299:20 am
SEA
- PHL
2 stops9h 40m
Southwest
Deal found 2/26![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 4/71:27 pm
PHL
- SEA
2 stops10h 39m
United Airlines
Paz 4/1211:59 pm
SEA
- PHL
1 stop7h 29m
United Airlines
Deal found 2/24![United Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 5/86:58 pm
PHL
- PDX
1 stop18h 58m
Alaska Airlines
Pzt 5/187:40 am
PDX
- PHL
Nonstop5h 05m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 7/146:40 pm
PHL
- SEA
1 stop8h 21m
Delta
Sal 7/289:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 2/25![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Çar 8/56:40 pm
PHL
- SEA
1 stop8h 21m
Delta
Cum 8/147:35 pm
SEA
- PHL
1 stop7h 08m
Delta
Deal found 2/26![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 4/115:35 am
PHL
- PDX
1 stop7h 40m
Southwest
Cmt 4/181:15 pm
PDX
- PHL
1 stop6h 45m
Southwest
Deal found 2/24![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/304:54 pm
PHL
- PDX
1 stop9h 59m
United Airlines
Cmt 6/68:50 am
PDX
- PHL
2 stops13h 07m
United Airlines
Deal found 2/24![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 5/117:25 am
PHL
- SEA
1 stop10h 58m
Delta
Sal 5/1911:05 pm
SEA
- PHL
1 stop9h 45m
Delta
Deal found 2/23![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 4/292:00 pm
PHL
- PDX
2 stops12h 00m
Southwest
Çar 5/65:30 am
PDX
- PHL
2 stops9h 35m
Southwest
Deal found 2/24![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Cum 4/246:58 pm
PHL
- YKM
1 stop21h 22m
Alaska Airlines
Pzt 4/271:57 pm
YKM
- PHL
1 stop13h 05m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/267:01 pm
PHL
- SEA
1 stop7h 43m
Delta
Sal 6/210:35 pm
SEA
- PHL
1 stop7h 52m
Delta
Deal found 2/23![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Çar 5/62:00 pm
PHL
- SEA
2 stops11h 30m
Southwest
Paz 5/105:35 am
SEA
- PHL
2 stops10h 15m
Southwest
Deal found 2/26![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 4/106:52 pm
PHL
- PDX
1 stop8h 06m
United Airlines
Cum 4/177:14 pm
PDX
- PHL
1 stop10h 01m
United Airlines
Deal found 2/23![United Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Çar 8/125:43 pm
PHL
- PDX
Nonstop5h 51m
Alaska Airlines
Pzt 8/176:19 am
PDX
- PHL
1 stop20h 56m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 4/306:54 pm
PHL
- GEG
1 stop7h 40m
Delta
Çar 5/135:37 pm
GEG
- PHL
1 stop9h 00m
Delta
Deal found 2/24![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 6/25:45 pm
PHL
- SEA
1 stop9h 25m
Southwest
Paz 6/77:45 pm
SEA
- PHL
2 stops11h 50m
Southwest
Deal found 2/24![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 7/95:43 pm
PHL
- GEG
1 stop8h 19m
Alaska Airlines
Per 7/167:57 pm
GEG
- PHL
1 stop7h 18m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/304:14 pm
PHL
- GEG
1 stop7h 16m
United Airlines
Sal 6/21:41 pm
GEG
- PHL
1 stop6h 49m
United Airlines
Deal found 2/24![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 6/16:45 pm
PHL
- SEA
1 stop8h 25m
Delta
Paz 6/79:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 2/24![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 6/44:45 pm
PHL
- PDX
2 stops10h 45m
Southwest
Pzt 6/811:30 pm
PDX
- PHL
1 stop8h 20m
Southwest
Deal found 2/23![Southwest logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 4/246:58 pm
PHL
- BLI
2 stops30h 44m
Alaska Airlines
Pzt 4/277:19 pm
BLI
- PHL
1 stop7h 43m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 4/247:15 am
PHL
- PSC
1 stop7h 21m
Delta
Pzt 4/275:13 pm
PSC
- PHL
1 stop9h 46m
Delta
Deal found 2/23![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 4/16:05 pm
PHL
- PDX
1 stop8h 05m
Southwest
Sal 4/711:15 am
PDX
- PHL
2 stops9h 40m
Southwest
Deal found 2/23![Southwest logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 5/297:16 pm
PHL
- YKM
1 stop7h 43m
Alaska Airlines
Sal 6/23:14 pm
YKM
- PHL
1 stop11h 21m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 5/77:10 am
PHL
- PDX
1 stop10h 38m
Delta
Cum 5/155:51 pm
PDX
- PHL
1 stop8h 46m
Delta
Deal found 2/23![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 6/174:35 pm
PHL
- PDX
1 stop9h 55m
Southwest
Çar 6/245:35 am
PDX
- PHL
2 stops10h 05m
Southwest
Deal found 2/24![Southwest logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 5/287:00 am
PHL
- YKM
1 stop10h 34m
Alaska Airlines
Sal 6/23:14 pm
YKM
- PHL
1 stop11h 21m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/35:20 am
PHL
- SEA
2 stops11h 20m
Southwest
Per 5/79:00 pm
SEA
- PHL
2 stops10h 35m
Southwest
Deal found 2/23![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 3/236:00 am
PHL
- PDX
2 stops13h 56m
Delta
Pzt 3/305:30 am
PDX
- PHL
2 stops9h 33m
Delta
Deal found 2/24![Delta logo]()
$355
Last-minute flights from Philadelphia to WashingtonDiscover last-minute flight deals from Philadelphia to Washington. Data last updated Şubat 27, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Washington. Data last updated Şubat 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 3/186:35 pm
PHL
- SEA
Nonstop6h 22m
American Airlines
Paz 3/2210:57 pm
SEA
- PHL
Nonstop5h 05m
American Airlines
Deal found 2/25![American Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 3/197:25 am
PHL
- SEA
Nonstop6h 05m
Hawaiian Airlines
Çar 3/259:55 pm
SEA
- PHL
Nonstop5h 10m
Hawaiian Airlines
Deal found 2/24![Hawaiian Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 3/197:25 am
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Pzt 3/239:55 pm
SEA
- PHL
Nonstop5h 10m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 3/198:25 pm
PHL
- SEA
1 stop17h 54m
Frontier
Pzt 3/239:36 pm
SEA
- PHL
2 stops34h 23m
Frontier
Deal found 2/25![Frontier logo]()
$278
This American Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 3/216:35 pm
PHL
- SEA
Nonstop6h 22m
American Airlines
Sal 3/2410:57 pm
SEA
- PHL
Nonstop5h 05m
American Airlines
Deal found 2/25![American Airlines logo]()
$240
This Expedia deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 3/217:25 am
PHL
- SEA
Nonstop6h 05m
Multiple Airlines
Cmt 5/96:57 pm
SEA
- PHL
1 stop7h 37m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 3/216:35 pm
PHL
- SEA
Nonstop6h 22m
American Airlines
Cmt 3/2810:57 pm
SEA
- PHL
Nonstop5h 05m
American Airlines
Deal found 2/25![American Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 3/242:52 pm
PHL
- PDX
1 stop10h 06m
United Airlines
Per 3/2611:59 pm
PDX
- PHL
1 stop7h 15m
United Airlines
Deal found 2/23![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 3/245:40 am
PHL
- GEG
1 stop8h 57m
Delta
Sal 3/3110:40 pm
GEG
- PHL
1 stop7h 42m
Delta
Deal found 2/24![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 3/256:49 pm
PHL
- SEA
1 stop8h 14m
Delta
Çar 4/15:30 am
SEA
- PHL
1 stop9h 08m
Delta
Deal found 2/25![Delta logo]()
$237
This American Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 3/256:35 pm
PHL
- SEA
Nonstop6h 22m
American Airlines
Çar 4/110:57 pm
SEA
- PHL
Nonstop5h 05m
American Airlines
Deal found 2/25![American Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Sal 3/316:47 pm
PHL
- SEA
Nonstop6h 05m
Alaska Airlines
Sal 4/149:55 pm
SEA
- PHL
Nonstop5h 10m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$269
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 Şubat 27, 2026.
Search for one-way flight options from Philadelphia to Washington. Find affordable one-way fares based on user searches. Data last updated Şubat 27, 2026.
This Trip.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 4/148:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/24![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 4/138:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/24![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 4/208:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/24![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 4/138:25 pm
PHL
- PDX
1 stop19h 37m
Frontier
Deal found 2/24![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 4/218:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/25![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Pzt 4/278:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/26![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Sal 4/288:36 pm
PHL
- PDX
1 stop18h 16m
Frontier
Deal found 2/26![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/68:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 2/24![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 4/258:41 pm
PHL
- SEA
1 stop21h 24m
Frontier
Deal found 2/25![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 4/148:41 pm
PHL
- PDX
1 stop19h 21m
Frontier
Deal found 2/23![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Cum 4/248:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 2/26![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 4/248:41 pm
PHL
- PDX
1 stop18h 01m
Frontier
Deal found 2/25![Frontier logo]()
$80
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 Şubat 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (Kiwi.com) |
One-way from | $63 (Trip.com) |
Popular in | June |
Cheapest in | October |
Average price | $347 |
Good round-trip deal | $356 or less |
Good one-way deal | $193 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 Şubat 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Cum 5/29
7:01 pm-11:44 pm
1 stop7h 43m
Seattle/Tacoma Intl
Paz 6/7
9:50 pm-6:05 am
Nonstop5h 15m
$279
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sal 7/14
6:40 pm-12:01 am
1 stop8h 21m
Seattle/Tacoma Intl
Sal 7/28
9:50 pm-6:05 am
Nonstop5h 15m
$279
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Çar 8/5
6:40 pm-12:01 am
1 stop8h 21m
Seattle/Tacoma Intl
Cum 8/14
7:35 pm-5:43 am
1 stop7h 08m
$289
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Pzt 5/11
7:25 am-3:23 pm
1 stop10h 58m
Seattle/Tacoma Intl
Sal 5/19
11:05 pm-11:50 am
1 stop9h 45m
$297
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sal 5/26
7:01 pm-11:44 pm
1 stop7h 43m
Seattle/Tacoma Intl
Sal 6/2
10:35 pm-9:27 am
1 stop7h 52m
$297
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Çar 4/22
7:30 am-4:55 pm
2 stops12h 25m
Seattle/Tacoma Intl
Çar 4/29
9:20 am-10:00 pm
2 stops9h 40m
$298
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Per 4/30
6:54 pm-11:34 pm
1 stop7h 40m
Spokane
Çar 5/13
5:37 pm-5:37 am
1 stop9h 00m
$318
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Pzt 6/1
6:45 pm-12:10 am
1 stop8h 25m
Seattle/Tacoma Intl
Paz 6/7
9:50 pm-6:05 am
Nonstop5h 15m
$322
PhiladelphiaPortland
PHL - PDX
PHLPDX
Philadelphia
Cmt 4/11
5:35 am-10:15 am
1 stop7h 40m
Portland
Cmt 4/18
1:15 pm-11:00 pm
1 stop6h 45m
$327
PhiladelphiaPasco
PHL - PSC
PHLPSC
Philadelphia
Cum 4/24
7:15 am-11:36 am
1 stop7h 21m
Pasco Tri Cities
Pzt 4/27
5:13 pm-5:59 am
1 stop9h 46m
$329
Showing 1-10 of 60 resultsSorted by cheapest first
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-SEA
PHL-PDX
PHL-GEG
PHL-PSC
PHL-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 Philadelphia to Washington
PHL-USWA
PHL-SEA
PHL-PDX
PHL-GEG
PHL-PSC
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 $223). 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 Şubat 27, 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 Şubat 27, 2026.
The most flights from PHL to USWA are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 Şubat 27, 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.
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Boarding
8.1
Food
7.1
Comfort
7.8
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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Complete your trip
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Search flights from Philadelphia to Washington by cabin class
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 Şubat 27, 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 Şubat 27, 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$168 | Average$462 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$169 | Average$431 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$238 | Average$365 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$250 | Average$515 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$260 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$437 | FlexibilityNo cancel fee | On-time71% |