Seattle / Tacoma (SEA) to Boston (BOS) flight deal in economy from $273
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
BOSLogan International Airport
Boston, United States
$412 USD
-34%$273 USD
Verified 17 days agoOctober 2026
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Limited Availability
16% of dates checked are available within 10% of the lowest price
Friday, October 30th, 2026
0 round-trip options
No flight details available for this date.