Seattle / Tacoma (SEA) to Boston (BOS) flight deal in economy from $303
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
BOSLogan International Airport
Boston, United States
$421 USD
-28%$303 USD
Verified 1 day agoJanuary 2027
Mon
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Monday, January 11th, 2027
3 round-trip options
Returning
Sun, Jan 17, 2027•6 Day Trip
$356 USD
Returning
Tue, Jan 19, 2027•8 Day Trip
$354 USD
Returning
Sat, Jan 23, 2027•12 Day Trip
$354 USD