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
Sunday, June 28th, 2026
10 round-trip options
Returning
Fri, Jul 3, 2026•5 Day Trip
$527 USD
Returning
Sat, Jul 4, 2026•6 Day Trip
$577 USD
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Sun, Jul 5, 2026•7 Day Trip
$537 USD
Returning
Mon, Jul 6, 2026•8 Day Trip
$587 USD
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Tue, Jul 7, 2026•9 Day Trip
$575 USD
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Wed, Jul 8, 2026•10 Day Trip
$575 USD
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Thu, Jul 9, 2026•11 Day Trip
$587 USD
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Fri, Jul 10, 2026•12 Day Trip
$493 USD
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Sat, Jul 11, 2026•13 Day Trip
$602 USD
Returning
Sun, Jul 12, 2026•14 Day Trip
$577 USD