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

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesBWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States
$413 USD
-38%$258 USD
Verified 26 days ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Wednesday, December 16th, 2026

10 round-trip options

Returning
Mon, Dec 21, 2026•5 Day Trip
$578 USD
Google Flights
Returning
Tue, Dec 22, 2026•6 Day Trip
$584 USD
Google Flights
Returning
Wed, Dec 23, 2026•7 Day Trip
$559 USD
Google Flights
Returning
Thu, Dec 24, 2026•8 Day Trip
$546 USD
Google Flights
Returning
Fri, Dec 25, 2026•9 Day Trip
$539 USD
Google Flights
Returning
Sat, Dec 26, 2026•10 Day Trip
$791 USD
Google Flights
Returning
Sun, Dec 27, 2026•11 Day Trip
$786 USD
Google Flights
Returning
Mon, Dec 28, 2026•12 Day Trip
$659 USD
Google Flights
Returning
Tue, Dec 29, 2026•13 Day Trip
$626 USD
Google Flights
Returning
Wed, Dec 30, 2026•14 Day Trip
$559 USD
Google Flights