A historic building with a clock tower, surrounded by trees and street lamps.

₩344,000 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at ₩344,000 for one-way flights and ₩751,400 for roundtrip, for the period specified. Prices and availability are subject to change.
Southwest Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩751,400
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩751,400 Found 1 day ago
Southwest Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩766,100
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩766,100 Found 1 day ago
Southwest Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩773,800
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩773,800 Found 1 day ago
American Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩797,100
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩797,100 Found 1 day ago
Southwest Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩810,000
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩810,000 Found 1 day ago
American Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩810,600
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩810,600 Found 1 day ago
Delta
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩811,100
Roundtrip
Found 1 day ago
Select Delta flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩811,100 Found 1 day ago
United
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩824,100
Roundtrip
Found 1 day ago
Select United flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩824,100 Found 1 day ago
Delta
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩824,600
Roundtrip
Found 1 day ago
Select Delta flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩824,600 Found 1 day ago
Southwest Airlines
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
PHL
Philadelphia
₩824,700
Roundtrip
Found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Seattle to Philadelphia, returning Tue, Oct 20, priced at ₩824,700 Found 1 day ago

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

December is typically the cheapest month to fly

From ₩367,189 - ₩724,317 per traveler.

Travel information

Origin airport
Seattle-Tacoma International Airport
Destination airport
Philadelphia Intl. 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
₩751,400
Average flight time
5 hours 15 mins
*Available to One Key members.