BWI to SEA from $209 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$259 USD

-19%$209 USD

Verified about 4 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$550 1$329 2$265 3$265 4$219 5$209 6$219 7$219 8$209 9$209 10$219 11$219 12$209 13$219 14$219 15$209 16$216 17$307 18$366 19$317 20$279 21$307 22$307 23$307 24$274 25$274 26$377 27$567 28$470 29$382 30$310 31$219 1$341 2$362 3$329

Good Availability

40% of dates checked are available within 10% of the lowest price

Wednesday, December 2nd, 2026

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