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

Wednesday, July 8th, 2026

7 round-trip options

Returning
Mon, Jul 13, 2026•5 Day Trip
$583 USD
Google Flights
Returning
Tue, Jul 14, 2026•6 Day Trip
$583 USD
Google Flights
Returning
Wed, Jul 15, 2026•7 Day Trip
$583 USD
Google Flights
Returning
Thu, Jul 16, 2026•8 Day Trip
$618 USD
Google Flights
Returning
Sun, Jul 19, 2026•11 Day Trip
$829 USD
Google Flights
Returning
Mon, Jul 20, 2026•12 Day Trip
$668 USD
Google Flights
Returning
Tue, Jul 21, 2026•13 Day Trip
$616 USD
Google Flights