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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 April , May 2026

29 Apr - 12 May $ 742.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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29 Apr - 12 May $ 747.00
BWI
Baltimore
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
BWI
Baltimore
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29 Apr - 27 May $ 774.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Seattle

28 Apr - 01 May $ 766.00
BWI
Baltimore
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
BWI
Baltimore
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22 Apr - 01 May $ 808.00
BWI
Baltimore
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
BWI
Baltimore
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22 Apr - 01 May $ 815.00
BWI
Baltimore
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
BWI
Baltimore
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One-way flights to Seattle from Baltimore

11:05 AM - 2:45 PM
Air Excursions
3 Stops
31h 30m
BWI - BFI
$ 366
Kiwi
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3:06 PM - 2:45 PM
Air Excursions
3 Stops
27h 29m
BWI - BFI
$ 369
Kiwi
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12:43 PM - 2:45 PM
Air Excursions
3 Stops
29h 52m
BWI - BFI
$ 391
Kiwi
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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)
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.