Houston to Washington
IAHIAD
Fly from Houston to Washington starting at USD 63 with F9.
Best fare available on May 18, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Washington cheapest flights this week
20 Apr
F9
18:14IAH
--:--IAD
1 Stop$172VIEW DEAL
25 Apr
F9
18:14IAH
--:--IAD
1 Stop$123VIEW DEAL
27 Apr
F9
18:14IAH
--:--IAD
1 Stop$115VIEW DEAL
13 May
F9
19:44IAH
--:--IAD
1 Stop$76VIEW DEAL
16 May
F9
20:57IAH
--:--IAD
1 Stop$102VIEW DEAL
18 May
F9
20:50IAH
--:--IAD
1 Stop$63VIEW DEAL
Houston to Washington monthly flight fare trend
Apr
from USD 115
May
from USD 63
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
