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

Monday, August 17th, 2026

5 round-trip options

Returning
Mon, Aug 24, 2026•7 Day Trip
$457 USD
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Returning
Tue, Aug 25, 2026•8 Day Trip
$457 USD
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Returning
Thu, Aug 27, 2026•10 Day Trip
$457 USD
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Returning
Sun, Aug 30, 2026•13 Day Trip
$457 USD
Google Flights
Returning
Mon, Aug 31, 2026•14 Day Trip
$377 USD
Google Flights