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Cheap flights from Buffalo (BUF) to Seattle (BFI)

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0 Children (2~11)
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How to find the cheapest flight from Buffalo (BUF) to Seattle (BFI)

How to find the cheapest flight from Buffalo (BUF) to Seattle (BFI)
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How to find the cheapest flight from Buffalo (BUF) to Seattle (BFI)
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How to find the cheapest flight from Buffalo (BUF) to Seattle (BFI)
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Cheap flights from Buffalo to Seattle in June , July 2026

29 Jun - 10 Jul $ 877.00
BUF
Buffalo
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BUF
Buffalo
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29 Jun - 17 Jul $ 899.00
BUF
Buffalo
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BUF
Buffalo
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30 Jun - 10 Jul $ 976.00
BUF
Buffalo
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BUF
Buffalo
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Last minute flights from Buffalo to Seattle

29 Jun - 01 Jul $ 958.00
BUF
Buffalo
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
BUF
Buffalo
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29 Jun - 02 Jul $ 964.00
BUF
Buffalo
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BUF
Buffalo
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23 Jun - 01 Jul $ 1,015.00
BUF
Buffalo
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
BUF
Buffalo
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One-way flights to Seattle from Buffalo

6:00 AM - 4:05 PM
Air Excursions
2 Stops
13h 55m
BUF - BFI
$ 441
Kiwi
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1:26 PM - 6:45 AM
Air Excursions
2 Stops
21h 9m
BUF - BFI
$ 498
Kiwi
Pick dates
6:00 AM - 4:05 PM
Air Excursions
2 Stops
13h 55m
BUF - BFI
$ 541
Kiwi
Pick dates

How to find the cheapest flight from Buffalo (BUF) to Seattle (BFI)

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