Seattle / Tacoma (SEA) to Boston (BOS) flight deal in economy from $297
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
BOSLogan International Airport
Boston, United States
$460 USD
-35%$297 USD
Verified 1 day agoJuly 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Tuesday, July 7th, 2026
10 round-trip options
Returning
Sun, Jul 12, 2026•5 Day Trip
$485 USD
Returning
Mon, Jul 13, 2026•6 Day Trip
$412 USD
Returning
Tue, Jul 14, 2026•7 Day Trip
$412 USD
Returning
Wed, Jul 15, 2026•8 Day Trip
$427 USD
Returning
Thu, Jul 16, 2026•9 Day Trip
$537 USD
Returning
Fri, Jul 17, 2026•10 Day Trip
$472 USD
Returning
Sat, Jul 18, 2026•11 Day Trip
$537 USD
Returning
Sun, Jul 19, 2026•12 Day Trip
$477 USD
Returning
Mon, Jul 20, 2026•13 Day Trip
$477 USD
Returning
Tue, Jul 21, 2026•14 Day Trip
$387 USD