S$207 Cheap Flights from Philadelphia to Seattle

View S$207 flight on Mon, 16 Mar, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Prices were available within the past 7 days and start at S$207 for one-way flights and S$1,369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 25 Nov - Fri, 28 Nov
PHL
Philadelphia
SEA
Seattle
S$1,369 Return, found 1 hour ago
S$1,369
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 25 Nov from Philadelphia to Seattle, returning Fri, 28 Nov, priced at S$1,369 found 1 hour ago
Delta
Tue, 25 Nov - Fri, 28 Nov
PHL
Philadelphia
SEA
Seattle
S$1,372 Return, found 1 hour ago
S$1,372
Return
found 1 hour ago
Select Delta flight, departing Tue, 25 Nov from Philadelphia to Seattle, returning Fri, 28 Nov, priced at S$1,372 found 1 hour ago
United
Tue, 25 Nov - Fri, 28 Nov
PHL
Philadelphia
SEA
Seattle
S$1,372 Return, found 1 hour ago
S$1,372
Return
found 1 hour ago
Select United flight, departing Tue, 25 Nov from Philadelphia to Seattle, returning Fri, 28 Nov, priced at S$1,372 found 1 hour ago
United
Tue, 25 Nov - Fri, 28 Nov
PHL
Philadelphia
SEA
Seattle
S$1,376 Return, found 1 hour ago
S$1,376
Return
found 1 hour ago
Select United flight, departing Tue, 25 Nov from Philadelphia to Seattle, returning Fri, 28 Nov, priced at S$1,376 found 1 hour ago
Delta
Wed, 26 Nov - Sun, 30 Nov
PHL
Philadelphia
SEA
Seattle
S$1,378 Return, found 1 hour ago
S$1,378
Return
found 1 hour ago
Select Delta flight, departing Wed, 26 Nov from Philadelphia to Seattle, returning Sun, 30 Nov, priced at S$1,378 found 1 hour ago
American Airlines
Tue, 25 Nov - Fri, 28 Nov
PHL
Philadelphia
SEA
Seattle
S$1,382 Return, found 1 hour ago
S$1,382
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 25 Nov from Philadelphia to Seattle, returning Fri, 28 Nov, priced at S$1,382 found 1 hour ago
United
Wed, 26 Nov - Sun, 30 Nov
PHL
Philadelphia
SEA
Seattle
S$1,389 Return, found 1 hour ago
S$1,389
Return
found 1 hour ago
Select United flight, departing Wed, 26 Nov from Philadelphia to Seattle, returning Sun, 30 Nov, priced at S$1,389 found 1 hour ago
American Airlines
Wed, 26 Nov - Sat, 29 Nov
PHL
Philadelphia
SEA
Seattle
S$1,409 Return, found 1 hour ago
S$1,409
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 26 Nov from Philadelphia to Seattle, returning Sat, 29 Nov, priced at S$1,409 found 1 hour ago
American Airlines
Wed, 26 Nov - Sat, 29 Nov
PHL
Philadelphia
SEA
Seattle
S$1,422 Return, found 1 hour ago
S$1,422
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 26 Nov from Philadelphia to Seattle, returning Sat, 29 Nov, priced at S$1,422 found 1 hour ago
United
Wed, 26 Nov - Sat, 29 Nov
PHL
Philadelphia
SEA
Seattle
S$1,429 Return, found 1 hour ago
S$1,429
Return
found 1 hour ago
Select United flight, departing Wed, 26 Nov from Philadelphia to Seattle, returning Sat, 29 Nov, priced at S$1,429 found 1 hour ago

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Find the cheapest month to fly from Philadelphia (PHL) to Seattle (SEA)

March is typically the cheapest month to fly

From S$193 - S$519 per traveller.
Philadelphia to Seattle route information
Origin airport
Philadelphia Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$1,369
Distance
3794 km
Average flight time
3 hours 12 mins

Flights from Philadelphia to Seattle

There are several airlines that operate frequent flights from Philadelphia (PHL) to Seattle (SEA) including

The earliest flight leaves Philadelphia Intl. Airport at 08:00 and arrives at Seattle Tacoma Intl. Airport at 00:11. The last flight of the day departs Philadelphia at 21:40 and arrives at Seattle at 21:26.

The flight distance from Philadelphia to Seattle is about 3837 km, the shortest flight is 05 hours 51 minutes with .

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