Washington to Houston

IADIAH

Fly from Washington to Houston starting at USD 81 with Frontier Airlines.Best fare available on Sep 22, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Houston cheapest flights this week

9 Sept
Frontier Airlines
07:50IAD
23:30IAH
1 StopUSD 85VIEW DEAL
9 Sept
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 166VIEW DEAL
12 Sept
Frontier Airlines
11:12IAD
22:14IAH
1 StopUSD 142VIEW DEAL
15 Sept
Frontier Airlines
18:13IAD
16:17IAH
1 StopUSD 136VIEW DEAL
19 Sept
Frontier Airlines
07:50IAD
23:30IAH
1 StopUSD 100VIEW DEAL
19 Sept
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 141VIEW DEAL
19 Sept
Frontier Airlines
06:00IAD
19:25IAH
1 StopUSD 141VIEW DEAL
19 Sept
Frontier Airlines
11:12IAD
22:14IAH
1 StopUSD 161VIEW DEAL
21 Sept
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 125VIEW DEAL
22 Sept
Frontier Airlines
07:50IAD
23:30IAH
1 StopUSD 81VIEW DEAL

Washington to Houston monthly flight fare trend

Sep
from USD 79
Oct
from USD 96
Nov
No flights
Dec
from USD 175
Jan
No flights
Feb
No flights

Airport Details

Origin

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

Destination

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Flights from Washington

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