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

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0 Children (2~11)
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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 - 28 Oct $ 1,061.00
EWR
Newark
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
Pick dates
30 Sep - 28 Oct $ 1,141.00
EWR
Newark
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
Pick dates
30 Sep - 28 Oct $ 1,175.00
EWR
Newark
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
Pick dates

One-way flights to Seattle from Newark

1:30 PM - 9:25 PM
Air Excursions
3 Stops
35h 45m
EWR - BFI
$ 676
Kiwi
Pick dates
1:30 PM - 4:05 PM
Air Excursions
3 Stops
30h 25m
EWR - BFI
$ 755
Kiwi
Pick dates
10:29 PM - 9:25 PM
Air Excursions
3 Stops
26h 46m
EWR - BFI
$ 789
Kiwi
Pick dates

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

Related info for your journey
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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.