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 6 hours ago
Rare Availability
8% of dates checked are available within 10% of the lowest price

Thursday, October 1st, 2026

5 round-trip options

Returning
Tue, Oct 6, 2026•5 Day Trip
$187 USD
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Returning
Wed, Oct 7, 2026•6 Day Trip
$187 USD
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Returning
Sat, Oct 10, 2026•9 Day Trip
$267 USD
Google Flights
Returning
Sun, Oct 11, 2026•10 Day Trip
$362 USD
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Returning
Tue, Oct 13, 2026•12 Day Trip
$187 USD
Google Flights