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

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American Airlines

AAAmerican Airlines

Round Trip•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

$467 USD

-60%$187 USD

Verified about 15 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$522 1$397 2$397 3$437 4$442 5$397 6$482 7$417 8$397 9$417 10$437 11$462 12$432 13$527 14$437 15$432 16$488 17$530 18$589 19$649 20$747 21$702 22$549 23$543 24$437 25$452 26$552 27$552 28$532 29$437 30$442 31$437 1$462 2$542 3$594

Rare Availability

7% of dates checked are available within 10% of the lowest price

Friday, December 11th, 2026

5 round-trip options

Returning

Fri, Dec 18, 2026•7 Day Trip

$673 USD

Returning

Sat, Dec 19, 2026•8 Day Trip

$609 USD

Returning

Mon, Dec 21, 2026•10 Day Trip

$513 USD

Returning

Thu, Dec 24, 2026•13 Day Trip

$462 USD

Returning

Fri, Dec 25, 2026•14 Day Trip

$477 USD