Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $187

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesBWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$456 USD
-59%$187 USD
Verified about 4 hours ago
Rare Availability
8% of dates checked are available within 10% of the lowest price

Monday, August 31st, 2026

5 round-trip options

Returning
Mon, Sep 7, 2026•7 Day Trip
$447 USD
Google Flights
Returning
Tue, Sep 8, 2026•8 Day Trip
$257 USD
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Returning
Thu, Sep 10, 2026•10 Day Trip
$232 USD
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Returning
Sun, Sep 13, 2026•13 Day Trip
$267 USD
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Returning
Mon, Sep 14, 2026•14 Day Trip
$187 USD
Google Flights