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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 November , December 2026

17 Nov - 21 Dec $ 976.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
17 Nov - 17 Dec $ 987.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
17 Nov - 22 Dec $ 987.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to Philadelphia

17 Nov - 01 Dec $ 1,080.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
24 Nov - 01 Dec $ 1,109.00
BFI
Seattle
Air Excursions
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
24 Nov - 01 Dec $ 1,131.00
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 AM - 5:15 AM
Frontier Airlines
3 Stops
22h 56m
BFI - PHL
$ 567
Kiwi
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5:25 AM - 10:19 PM
Frontier Airlines
3 Stops
21h 36m
BFI - PHL
$ 605
Kiwi
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8:05 AM - 10:19 PM
Frontier Airlines
3 Stops
18h 56m
BFI - PHL
$ 627
Kiwi
Pick dates

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)
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.