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Cheap flights from Baltimore (BWI) to Seattle (BFI)

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How to find the cheapest flight from Baltimore (BWI) to Seattle (BFI)

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

29 Jun - 28 Jul $ 1,011.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jun - 28 Jul $ 1,091.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jun - 22 Jul $ 1,181.00
BWI
Baltimore
Sun Country Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Seattle

29 Jun - 01 Jul $ 1,522.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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29 Jun - 01 Jul $ 1,565.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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29 Jun - 01 Jul $ 1,646.00
BWI
Baltimore
Sun Country Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BWI
Baltimore
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One-way flights to Seattle from Baltimore

7:16 PM - 9:25 PM
Air Excursions
3 Stops
53h 59m
BWI - BFI
$ 727
Kiwi
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7:16 PM - 6:45 PM
Air Excursions
3 Stops
27h 19m
BWI - BFI
$ 783
Kiwi
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7:27 PM - 6:45 PM
Air Excursions
3 Stops
27h 8m
BWI - BFI
$ 952
Kiwi
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How to find the cheapest flight from Baltimore (BWI) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Baltimore (BWI) 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 Baltimore (BWI) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.