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 13 days ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Saturday, July 25th, 2026

7 round-trip options

Returning
Thu, Jul 30, 2026•5 Day Trip
$569 USD
Google Flights
Returning
Fri, Jul 31, 2026•6 Day Trip
$489 USD
Google Flights
Returning
Sat, Aug 1, 2026•7 Day Trip
$547 USD
Google Flights
Returning
Sun, Aug 2, 2026•8 Day Trip
$644 USD
Google Flights
Returning
Wed, Aug 5, 2026•11 Day Trip
$537 USD
Google Flights
Returning
Thu, Aug 6, 2026•12 Day Trip
$451 USD
Google Flights
Returning
Fri, Aug 7, 2026•13 Day Trip
$576 USD
Google Flights