Washington to Boston
IADBOS
Fly from Washington to Boston starting at USD 90 with United Airlines.
Best fare available on Oct 7, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Boston cheapest flights this week
Washington to Boston monthly flight fare trend
Oct
from USD 58
Nov
from USD 60
Dec
from USD 58
Jan
from USD 89
Feb
No flights
Mar
No flights
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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