An Alaska Airlines plane taking off with a snow-capped mountain in the background.

￥36,050 Cheap Flights from Philadelphia (PHL) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Prices were available within the past 7 days and start at ￥36,050 for one-way flights and ￥62,850 for roundtrip, for the period specified. Prices and availability are subject to change.
American Airlines
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥62,850
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥62,850 Found 1 day ago
Delta
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥62,850
Roundtrip
Found 1 day ago
Select Delta flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥62,850 Found 1 day ago
Delta
Sun, Nov 15 - Sat, Nov 21
PHL
Philadelphia
SEA
Seattle
￥62,950
Roundtrip
Found 1 day ago
Select Delta flight, departing Sun, Nov 15 from Philadelphia to Seattle, returning Sat, Nov 21, priced at ￥62,950 Found 1 day ago
Delta
Sat, Nov 21 - Tue, Nov 24
PHL
Philadelphia
SEA
Seattle
￥63,170
Roundtrip
Found 1 day ago
Select Delta flight, departing Sat, Nov 21 from Philadelphia to Seattle, returning Tue, Nov 24, priced at ￥63,170 Found 1 day ago
Delta
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥64,410
Roundtrip
Found 1 day ago
Select Delta flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥64,410 Found 1 day ago
Delta
Sat, Nov 21 - Fri, Dec 4
PHL
Philadelphia
SEA
Seattle
￥64,510
Roundtrip
Found 1 day ago
Select Delta flight, departing Sat, Nov 21 from Philadelphia to Seattle, returning Fri, Dec 4, priced at ￥64,510 Found 1 day ago
Delta
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥65,970
Roundtrip
Found 1 day ago
Select Delta flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥65,970 Found 1 day ago
Southwest Airlines
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥72,090
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥72,090 Found 1 day ago
Alaska Airlines
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥80,973
Roundtrip
Found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥80,973 Found 1 day ago
United
Wed, Nov 18 - Sun, Nov 22
PHL
Philadelphia
SEA
Seattle
￥84,130
Roundtrip
Found 1 day ago
Select United flight, departing Wed, Nov 18 from Philadelphia to Seattle, returning Sun, Nov 22, priced at ￥84,130 Found 1 day ago

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

October is typically the cheapest month to fly

From ￥45,574 - ￥62,570 per traveler.

Travel information

Origin airport
Philadelphia Intl. Airport
Destination airport
Seattle-Tacoma International Airport
Distance
3,816 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, JetBlue Airways, Sun Country Airlines, Frontier Airlines
Popular airline
Alaska Airlines
Roundtrip price
￥62,850
Average flight time
6 hours 8 mins
*Available to One Key members.