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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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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 June , July 2026

30 Jun - 30 Jul $ 1,004.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
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30 Jun - 30 Jul $ 1,108.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
30 Jun - 30 Jul $ 1,114.00
BFI
Seattle
Air Excursions
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to Philadelphia from Seattle

8:05 AM - 5:14 PM
Frontier Airlines
3 Stops
32h 56m
BFI - PHL
$ 667
Kiwi
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8:05 AM - 6:05 AM
Frontier Airlines
2 Stops
24h 42m
BFI - PHL
$ 771
Kiwi
Pick dates
8:05 AM - 7:50 AM
Sun Country Airlines
2 Stops
24h 18m
BFI - PHL
$ 777
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.