Washington to Boston
IADBOS
Fly from Washington to Boston starting at SAR 263 with United Airlines.
Best fare available on Aug 5, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Boston cheapest flights this week
Washington to Boston monthly flight fare trend
Jul
from SAR 496
Aug
from SAR 263
Sep
from SAR 222
Oct
from SAR 500
Nov
No flights
Dec
from SAR 503
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
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