BWI to SEA from $258 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$402 USD

-36%$258 USD

Verified 13 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$1,232 6$583 7$583 8$583 9$583 10$583 11$563 12$461 13$494 14$514 15$536 16$520 17$569 18$488 19$530 20$375 21$462 22$537 23$571 24$492 25$451 26$490 27$412 28$526 29$412 30$492 31$472 1$533 2$499

Rare Availability

6% of dates checked are available within 10% of the lowest price

Saturday, July 4th, 2026

0 round-trip options

No flight details available for this date.