BWI to SEA from $187 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Round Trip•Economy

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$456 USD

-59%$187 USD

Verified about 7 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$187 1$197 2$335 3$479 4$362 5$187 6$197 7$362 8$202 9$187 10$187 11$197 12$187 13$417 14$262 15$187 16$187 17$262 18$197 19$187 20$362 21$232 22$187 23$187 24$262 25$197 26$187 27$232 28$262 29$232 30$187 1$187 2$232 3$187 4$302

Rare Availability

8% of dates checked are available within 10% of the lowest price

Wednesday, September 23rd, 2026

5 round-trip options

Returning

Mon, Sep 28, 2026•5 Day Trip

$187 USD

Returning

Tue, Sep 29, 2026•6 Day Trip

$187 USD

Returning

Fri, Oct 2, 2026•9 Day Trip

$232 USD

Returning

Sat, Oct 3, 2026•10 Day Trip

$232 USD

Returning

Mon, Oct 5, 2026•12 Day Trip

$232 USD