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Cheap flights from Newark (EWR) to Seattle (BFI)

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How to find the cheapest flight from Newark (EWR) to Seattle (BFI)

How to find the cheapest flight from Newark (EWR) to Seattle (BFI)
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How to find the cheapest flight from Newark (EWR) to Seattle (BFI)
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How to find the cheapest flight from Newark (EWR) to Seattle (BFI)
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Cheap flights from Newark to Seattle in September , October 2026

30 Sep - 21 Oct $ 870.00
EWR
Newark
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
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30 Sep - 26 Oct $ 918.00
EWR
Newark
Sun Country Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
EWR
Newark
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30 Sep - 26 Oct $ 957.00
EWR
Newark
Sun Country Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
EWR
Newark
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Last minute flights from Newark to Seattle

26 Sep - 02 Oct $ 1,061.00
EWR
Newark
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
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26 Sep - 01 Oct $ 1,152.00
EWR
Newark
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
EWR
Newark
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26 Sep - 01 Oct $ 1,185.00
EWR
Newark
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
EWR
Newark
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One-way flights to Seattle from Newark

10:29 PM - 9:25 PM
Air Excursions
3 Stops
26h 46m
EWR - BFI
$ 498
Kiwi
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10:29 PM - 6:45 PM
Air Excursions
3 Stops
24h 6m
EWR - BFI
$ 499
Kiwi
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10:29 PM - 4:05 PM
Air Excursions
3 Stops
21h 26m
EWR - BFI
$ 538
Kiwi
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How to find the cheapest flight from Newark (EWR) to Seattle (BFI)

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