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
13 May
F9
19:44IAH
17:27IAD
1 Stop$76VIEW DEAL
16 May
F9
20:57IAH
09:12IAD
1 Stop$102VIEW DEAL
18 May
F9
20:50IAH
09:12IAD
1 Stop$63VIEW DEAL
Houston to Washington monthly flight fare trend
May
from USD 63
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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
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