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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 April , May 2026

29 Apr - 29 May $ 801.00
EWR
Newark
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
EWR
Newark
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28 Apr - 29 May $ 803.00
EWR
Newark
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
EWR
Newark
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30 Apr - 29 May $ 857.00
EWR
Newark
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
EWR
Newark
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Last minute flights from Newark to Seattle

28 Apr - 30 Apr $ 854.00
EWR
Newark
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
2 STOPS
EWR
Newark
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27 Apr - 30 Apr $ 883.00
EWR
Newark
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
2 STOPS
EWR
Newark
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27 Apr - 30 Apr $ 890.00
EWR
Newark
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
2 STOPS
EWR
Newark
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One-way flights to Seattle from Newark

2:55 PM - 2:45 PM
Air Excursions
3 Stops
27h 40m
EWR - BFI
$ 398
Kiwi
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2:55 PM - 2:45 PM
Air Excursions
3 Stops
27h 40m
EWR - BFI
$ 400
Kiwi
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6:59 PM - 2:45 PM
Air Excursions
2 Stops
23h 36m
EWR - BFI
$ 453
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.