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
Monday, July 13th, 2026
10 round-trip options
Returning
Sat, Jul 18, 2026•5 Day Trip
$497 USD
Returning
Sun, Jul 19, 2026•6 Day Trip
$515 USD
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Mon, Jul 20, 2026•7 Day Trip
$437 USD
Returning
Tue, Jul 21, 2026•8 Day Trip
$372 USD
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Wed, Jul 22, 2026•9 Day Trip
$387 USD
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Thu, Jul 23, 2026•10 Day Trip
$437 USD
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Fri, Jul 24, 2026•11 Day Trip
$492 USD
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Sat, Jul 25, 2026•12 Day Trip
$577 USD
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Sun, Jul 26, 2026•13 Day Trip
$525 USD
Returning
Mon, Jul 27, 2026•14 Day Trip
$462 USD