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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 March , April 2026

26 Mar - 15 Apr $ 912.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
26 Mar - 22 Apr $ 912.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
26 Mar - 19 Apr $ 917.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Philadelphia

26 Mar - 02 Apr $ 1,092.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
27 Mar - 02 Apr $ 1,128.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
16 Mar - 02 Apr $ 1,144.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to Philadelphia from Seattle

8:05 AM - 11:59 PM
Frontier Airlines
2 Stops
18h 26m
BFI - PHL
$ 522
Kiwi
Pick dates
6:55 AM - 11:59 PM
Frontier Airlines
2 Stops
19h 36m
BFI - PHL
$ 558
Kiwi
Pick dates
8:05 AM - 11:59 PM
Frontier Airlines
2 Stops
18h 26m
BFI - PHL
$ 574
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.