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
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
10% of dates checked are available within 10% of the lowest price
Tuesday, January 19th, 2027
3 round-trip options
Returning
Mon, Jan 25, 2027•6 Day Trip
$354 USD
Returning
Wed, Jan 27, 2027•8 Day Trip
$352 USD
Returning
Sun, Jan 31, 2027•12 Day Trip
$354 USD