Boston (BOS) to Seattle / Tacoma (SEA) flight deal in economy from $303
BOSLogan International Airport
Boston, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$417 USD
-27%$303 USD
Verified 2 days agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
10% of dates checked are available within 10% of the lowest price
Monday, November 23rd, 2026
8 round-trip options
Returning
Sat, Nov 28, 2026•5 Day Trip
$778 USD
Returning
Sun, Nov 29, 2026•6 Day Trip
$822 USD
Returning
Mon, Nov 30, 2026•7 Day Trip
$433 USD
Returning
Tue, Dec 1, 2026•8 Day Trip
$354 USD
Returning
Fri, Dec 4, 2026•11 Day Trip
$349 USD
Returning
Sat, Dec 5, 2026•12 Day Trip
$347 USD
Returning
Sun, Dec 6, 2026•13 Day Trip
$354 USD
Returning
Mon, Dec 7, 2026•14 Day Trip
$377 USD