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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 May , June 2026

28 May - 03 Jun $ 991.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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28 May - 27 Jun $ 1,105.00
BWI
Baltimore
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BWI
Baltimore
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28 May - 30 Jun $ 1,105.00
BWI
Baltimore
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Seattle

27 May - 01 Jun $ 1,034.00
BWI
Baltimore
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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28 May - 01 Jun $ 1,155.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
Pick dates
14 May - 01 Jun $ 1,199.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
Pick dates

One-way flights to Seattle from Baltimore

6:28 PM - 4:05 PM
Air Excursions
3 Stops
25h 27m
BWI - BFI
$ 476
Kiwi
Pick dates
12:20 PM - 9:25 PM
Air Excursions
2 Stops
12h 55m
BWI - BFI
$ 597
Kiwi
Pick dates
12:20 PM - 9:25 PM
Air Excursions
2 Stops
12h 55m
BWI - BFI
$ 641
Kiwi
Pick dates

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.