Boston to Washington

BOSIAD

Fly from Boston to Washington starting at USD 85 with United Airlines.Best fare available on Jul 29, 2026.Limited seats. Better plans. Book before it's gone.

Boston to Washington cheapest flights this week

8 Jul
United Airlines
05:45BOS
07:23IAD
DirectUSD 131VIEW DEAL
8 Jul
United Airlines
14:15BOS
15:57IAD
DirectUSD 310VIEW DEAL
9 Jul
United Airlines
05:45BOS
07:23IAD
DirectUSD 131VIEW DEAL
15 Jul
Frontier Airlines
10:04BOS
12:47IAD
1 StopUSD 154VIEW DEAL
20 Jul
United Airlines
18:05BOS
20:20IAD
DirectUSD 130VIEW DEAL
24 Jul
Frontier Airlines
11:59BOS
22:55IAD
1 StopUSD 129VIEW DEAL
29 Jul
United Airlines
05:45BOS
07:23IAD
DirectUSD 85VIEW DEAL
1 Aug
United Airlines
05:45BOS
07:23IAD
DirectUSD 122VIEW DEAL
5 Aug
United Airlines
09:25BOS
11:07IAD
DirectUSD 118VIEW DEAL
8 Aug
United Airlines
05:45BOS
07:23IAD
DirectUSD 118VIEW DEAL

Boston to Washington monthly flight fare trend

Jul
from USD 85
Aug
from USD 79
Sep
from USD 93
Oct
No flights
Nov
No flights
Dec
from USD 150

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

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