Washington to Boston
IADBOS
Fly from Washington to Boston starting at USD 76 with F9.
Best fare available on May 18, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Boston cheapest flights this week
23 Apr
UA
08:22IAD
--:--BOS
Direct$158VIEW DEAL
25 Apr
UA
06:00IAD
--:--BOS
1 Stop$353VIEW DEAL
26 Apr
G4
14:01IAD
--:--BOS
3 Stop$296VIEW DEAL
27 Apr
UA
22:15IAD
--:--BOS
Direct$253VIEW DEAL
28 Apr
UA
22:15IAD
--:--BOS
Direct$133VIEW DEAL
29 Apr
UA
22:15IAD
--:--BOS
Direct$118VIEW DEAL
30 Apr
F9
19:27IAD
--:--BOS
1 Stop$116VIEW DEAL
4 May
UA
22:15IAD
--:--BOS
Direct$95VIEW DEAL
5 May
UA
22:15IAD
--:--BOS
Direct$88VIEW DEAL
18 May
F9
18:17IAD
--:--BOS
1 Stop$76VIEW DEAL
Washington to Boston monthly flight fare trend
Apr
from USD 116
May
from USD 76
Jun
from USD 48
Jul
No flights
Aug
No flights
Sep
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
