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Cheap flights from Seattle (BFI) to Philadelphia (PHL)

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How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)

How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)
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How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)
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How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)
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Cheap flights from Seattle to Philadelphia in February , March 2026

23 Feb - 09 Mar $ 928.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
20 Feb - 09 Mar $ 972.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
20 Feb - 13 Mar $ 1,017.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Philadelphia

24 Feb - 01 Mar $ 1,356.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
25 Feb - 01 Mar $ 1,450.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
13 Feb - 01 Mar $ 1,572.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Philadelphia from Seattle

5:25 PM - 1:02 PM
Frontier Airlines
3 Stops
43h 32m
BFI - PHL
$ 521
Kiwi
Pick dates
5:25 PM - 6:00 AM
Spirit Airlines
3 Stops
36h 19m
BFI - PHL
$ 522
Kiwi
Pick dates
5:25 PM - 9:19 PM
Frontier Airlines
3 Stops
28h 34m
BFI - PHL
$ 566
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)

Related info for your journey
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How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.