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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 June , July 2026

30 Jun - 28 Jul $ 1,361.00
EWR
Newark
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
EWR
Newark
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30 Jun - 25 Jul $ 1,434.00
EWR
Newark
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
EWR
Newark
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30 Jun - 31 Jul $ 1,456.00
EWR
Newark
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
EWR
Newark
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One-way flights to Seattle from Newark

11:41 AM - 9:25 PM
Air Excursions
2 Stops
13h 34m
EWR - BFI
$ 946
Kiwi
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6:55 PM - 6:45 PM
Air Excursions
3 Stops
51h 40m
EWR - BFI
$ 1,497
Kiwi
Pick dates
6:55 PM - 4:05 PM
Air Excursions
3 Stops
49h
EWR - BFI
$ 1,498
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.