Houston to Washington

IAHIAD

Fly from Houston to Washington starting at USD 84 with Frontier Airlines.Best fare available on Jul 29, 2026.Limited seats. Better plans. Book before it's gone.

Houston to Washington cheapest flights this week

13 Jul
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 174VIEW DEAL
15 Jul
Frontier Airlines
08:20IAH
18:38IAD
1 StopUSD 127VIEW DEAL
18 Jul
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 158VIEW DEAL
19 Jul
Frontier Airlines
08:50IAH
15:40IAD
1 StopUSD 157VIEW DEAL
23 Jul
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 155VIEW DEAL
24 Jul
Frontier Airlines
10:53IAH
16:14IAD
1 StopUSD 155VIEW DEAL
29 Jul
Frontier Airlines
10:53IAH
21:55IAD
1 StopUSD 88VIEW DEAL
29 Jul
Frontier Airlines
06:00IAH
16:14IAD
1 StopUSD 84VIEW DEAL
30 Jul
Frontier Airlines
20:02IAH
16:14IAD
1 StopUSD 107VIEW DEAL
6 Sept
Frontier Airlines
06:00IAH
16:14IAD
1 StopUSD 114VIEW DEAL

Houston to Washington monthly flight fare trend

Jul
from USD 84
Aug
No flights
Sep
from USD 114
Oct
No flights
Nov
from USD 165
Dec
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

Flights from Houston

Flights from Houston to AtlantaFlights from Houston to AustinFlights from Houston to BostonFlights from Houston to CharlotteFlights from Houston to DenverFlights from Houston to DallasFlights from Houston to DetroitFlights from Houston to NewarkFlights from Houston to Fort LauderdaleFlights from Houston to Honolulu