Boston to Washington
BOSIAD
Fly from Boston to Washington starting at SAR 184 with UA.
Best fare available on Jun 3, 2026.
Limited seats. Better plans. Book before it's gone.
Boston to Washington cheapest flights this week
22 Apr
UA
19:30BOS
01:16IAD
DirectSAR 435VIEW DEAL
24 Apr
UA
09:30BOS
15:13IAD
DirectSAR 443VIEW DEAL
27 Apr
UA
09:30BOS
15:13IAD
DirectSAR 420VIEW DEAL
28 Apr
UA
05:45BOS
11:25IAD
DirectSAR 420VIEW DEAL
29 Apr
UA
09:30BOS
15:13IAD
DirectSAR 416VIEW DEAL
18 May
UA
19:26BOS
03:25IAD
1 StopSAR 371VIEW DEAL
3 Jun
UA
09:30BOS
15:12IAD
DirectSAR 184VIEW DEAL
Boston to Washington monthly flight fare trend
Apr
from SAR 416
May
from SAR 371
Jun
from SAR 184
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
Destination
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Flights from Boston
Flights from Boston to AtlantaFlights from Boston to AustinFlights from Boston to CharlotteFlights from Boston to DenverFlights from Boston to DallasFlights from Boston to DetroitFlights from Boston to NewarkFlights from Boston to Fort LauderdaleFlights from Boston to HonoluluFlights from Boston to Houston
