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Cheap flights from Pittsburgh (PIT) to Seattle (BFI)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)

How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)
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How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)
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How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)
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Cheap flights from Pittsburgh to Seattle in December 2025 , January 2026

22 Dec - 12 Jan $ 1,120.00
PIT
Pittsburgh
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
PIT
Pittsburgh
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22 Dec - 09 Jan $ 1,149.00
PIT
Pittsburgh
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
PIT
Pittsburgh
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22 Dec - 11 Jan $ 1,221.00
PIT
Pittsburgh
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
PIT
Pittsburgh
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Last minute flights from Pittsburgh to Seattle

22 Dec - 01 Jan $ 1,358.00
PIT
Pittsburgh
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
PIT
Pittsburgh
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22 Dec - 01 Jan $ 1,359.00
PIT
Pittsburgh
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
PIT
Pittsburgh
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22 Dec - 01 Jan $ 1,428.00
PIT
Pittsburgh
Spirit Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
PIT
Pittsburgh
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One-way flights to Seattle from Pittsburgh

10:53 AM - 4:05 PM
Air Excursions
3 Stops
33h 2m
PIT - BFI
$ 678
Kiwi
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5:07 PM - 4:05 PM
Air Excursions
3 Stops
26h 48m
PIT - BFI
$ 689
Kiwi
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5:07 PM - 2:45 PM
Air Excursions
2 Stops
25h 28m
PIT - BFI
$ 759
Kiwi
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How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)

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How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)
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 Pittsburgh (PIT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.