Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $258
BWIBaltimore/Washington International Thurgood Marshall Ai
Baltimore-Washington, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$402 USD
-36%$258 USD
Verified 14 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
6% of dates checked are available within 10% of the lowest price
Sunday, August 16th, 2026
7 round-trip options
Returning
Fri, Aug 21, 2026•5 Day Trip
$423 USD
Returning
Sat, Aug 22, 2026•6 Day Trip
$517 USD
Returning
Sun, Aug 23, 2026•7 Day Trip
$456 USD
Returning
Mon, Aug 24, 2026•8 Day Trip
$299 USD
Returning
Thu, Aug 27, 2026•11 Day Trip
$299 USD
Returning
Fri, Aug 28, 2026•12 Day Trip
$299 USD
Returning
Sat, Aug 29, 2026•13 Day Trip
$418 USD