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
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Wednesday, July 22nd, 2026
10 round-trip options
Returning
Mon, Jul 27, 2026•5 Day Trip
$397 USD
Returning
Tue, Jul 28, 2026•6 Day Trip
$397 USD
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Wed, Jul 29, 2026•7 Day Trip
$427 USD
Returning
Thu, Jul 30, 2026•8 Day Trip
$412 USD
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Fri, Jul 31, 2026•9 Day Trip
$532 USD
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Sat, Aug 1, 2026•10 Day Trip
$617 USD
Returning
Sun, Aug 2, 2026•11 Day Trip
$477 USD
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Mon, Aug 3, 2026•12 Day Trip
$428 USD
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Tue, Aug 4, 2026•13 Day Trip
$477 USD
Returning
Wed, Aug 5, 2026•14 Day Trip
$427 USD