Boston (BOS) to Seattle / Tacoma (SEA) flight deal in economy from $273
BOSLogan International Airport
Boston, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$464 USD
-41%$273 USD
Verified about 6 hours agoJune 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Monday, June 1st, 2026
0 round-trip options
No flight details available for this date.