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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 July , August 2026

30 Jul - 26 Aug $ 1,011.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jul - 27 Aug $ 1,011.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jul - 11 Aug $ 3,128.00
BWI
Baltimore
Alaska Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
2 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Seattle

30 Jul - 01 Aug $ 1,223.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jul - 01 Aug $ 1,258.00
BWI
Baltimore
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
BWI
Baltimore
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30 Jul - 01 Aug $ 1,304.00
BWI
Baltimore
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
BWI
Baltimore
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One-way flights to Seattle from Baltimore

12:27 PM - 9:25 PM
Air Excursions
2 Stops
12h 48m
BWI - BFI
$ 652
Kiwi
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10:28 AM - 6:45 PM
Air Excursions
2 Stops
12h 7m
BWI - BFI
$ 1,614
Kiwi
Pick dates
10:28 AM - 9:25 PM
Air Excursions
2 Stops
14h 47m
BWI - BFI
$ 1,614
Kiwi
Pick dates

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.