Boston to Seattle
BOSSEA
Fly from Boston to Seattle starting at SAR 577 with JetBlue Airways.
Best fare available on Oct 5, 2026.
Limited seats. Better plans. Book before it's gone.
Boston to Seattle cheapest flights this week
Boston to Seattle monthly flight fare trend
Oct
from SAR 470
Nov
from SAR 951
Dec
from SAR 725
Jan
from SAR 770
Feb
from SAR 840
Mar
No flights
Airport Details
Origin
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
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