Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $258

United AirlinesUAUnited 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
$402 USD
-36%$258 USD
Verified 14 days ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Sunday, October 25th, 2026

6 round-trip options

Returning
Fri, Oct 30, 2026•5 Day Trip
$325 USD
Google Flights
Returning
Sun, Nov 1, 2026•7 Day Trip
$325 USD
Google Flights
Returning
Mon, Nov 2, 2026•8 Day Trip
$325 USD
Google Flights
Returning
Tue, Nov 3, 2026•9 Day Trip
$325 USD
Google Flights
Returning
Fri, Nov 6, 2026•12 Day Trip
$360 USD
Google Flights
Returning
Sat, Nov 7, 2026•13 Day Trip
$325 USD
Google Flights