Washington to Boston
IADBOS
Fly from Washington to Boston starting at USD 48 with UA.
Best fare available on Jun 3, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Boston cheapest flights this week
18 May
F9
18:17IAD
01:24BOS
1 Stop$76VIEW DEAL
3 Jun
UA
22:10IAD
23:59BOS
Direct$48VIEW DEAL
4 Jun
UA
06:33IAD
11:16BOS
1 Stop$100VIEW DEAL
Washington to Boston monthly flight fare trend
May
from USD 76
Jun
from USD 48
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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
Flights from Washington
Flights from Washington to AtlantaFlights from Washington to AustinFlights from Washington to CharlotteFlights from Washington to DenverFlights from Washington to DallasFlights from Washington to DetroitFlights from Washington to NewarkFlights from Washington to Fort LauderdaleFlights from Washington to HonoluluFlights from Washington to Houston
