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