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 agoJune 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Tuesday, June 30th, 2026
10 round-trip options
Returning
Sun, Jul 5, 2026•5 Day Trip
$492 USD
Returning
Mon, Jul 6, 2026•6 Day Trip
$477 USD
Returning
Tue, Jul 7, 2026•7 Day Trip
$475 USD
Returning
Wed, Jul 8, 2026•8 Day Trip
$525 USD
Returning
Thu, Jul 9, 2026•9 Day Trip
$532 USD
Returning
Fri, Jul 10, 2026•10 Day Trip
$475 USD
Returning
Sat, Jul 11, 2026•11 Day Trip
$517 USD
Returning
Sun, Jul 12, 2026•12 Day Trip
$532 USD
Returning
Mon, Jul 13, 2026•13 Day Trip
$460 USD
Returning
Tue, Jul 14, 2026•14 Day Trip
$460 USD