Seattle to Boston
SEABOS
Fly from Seattle to Boston starting at SAR 141 with American Airlines.
Best fare available on Aug 11, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to Boston cheapest flights this week
Seattle to Boston monthly flight fare trend
Jun
from SAR 155
Jul
No flights
Aug
from SAR 141
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
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