Boston to Washington

BOSIAD

Fly from Boston to Washington starting at USD 70 with United Airlines.Best fare available on Oct 3, 2026.Limited seats. Better plans. Book before it's gone.

Boston to Washington cheapest flights this week

1 Oct
United Airlines
05:45BOS
07:20IAD
DirectUSD 72VIEW DEAL
1 Oct
Frontier Airlines
11:17BOS
10:17IAD
1 StopUSD 206VIEW DEAL
1 Oct
Frontier Airlines
12:54BOS
00:10IAD
1 StopUSD 207VIEW DEAL
2 Oct
Frontier Airlines
12:54BOS
00:10IAD
1 StopUSD 203VIEW DEAL
2 Oct
Frontier Airlines
11:36BOS
08:38IAD
1 StopUSD 196VIEW DEAL
3 Oct
United Airlines
05:45BOS
07:20IAD
DirectUSD 108VIEW DEAL
3 Oct
Frontier Airlines
12:54BOS
00:10IAD
1 StopUSD 194VIEW DEAL
3 Oct
United Airlines
19:13BOS
20:58IAD
DirectUSD 70VIEW DEAL
4 Oct
United Airlines
19:13BOS
20:58IAD
DirectUSD 259VIEW DEAL
5 Oct
United Airlines
05:45BOS
07:20IAD
DirectUSD 112VIEW DEAL

Boston to Washington monthly flight fare trend

Oct
from USD 70
Nov
from USD 61
Dec
from USD 58
Jan
No flights
Feb
No flights
Mar
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

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