Boston (BOS) to Seattle / Tacoma (SEA) flight deal in economy from $303
BOSLogan International Airport
Boston, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$417 USD
-27%$303 USD
Verified 1 day agoJuly 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Saturday, July 18th, 2026
0 round-trip options
No flight details available for this date.