Washington to Houston

IADIAH

Fly from Washington to Houston starting at USD 75 with Frontier Airlines.Best fare available on Oct 1, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Houston cheapest flights this week

30 Sept
Frontier Airlines
06:00IAD
19:25IAH
1 StopUSD 200VIEW DEAL
1 Oct
Frontier Airlines
07:50IAD
23:30IAH
1 StopUSD 75VIEW DEAL
1 Oct
Frontier Airlines
18:13IAD
16:17IAH
1 StopUSD 160VIEW DEAL
1 Oct
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 208VIEW DEAL
2 Oct
Frontier Airlines
18:13IAD
16:17IAH
1 StopUSD 112VIEW DEAL
2 Oct
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 130VIEW DEAL
3 Oct
Frontier Airlines
21:04IAD
08:17IAH
1 StopUSD 128VIEW DEAL
3 Oct
Frontier Airlines
06:00IAD
19:25IAH
1 StopUSD 184VIEW DEAL
8 Oct
Frontier Airlines
07:54IAD
23:23IAH
1 StopUSD 96VIEW DEAL
8 Oct
Frontier Airlines
06:00IAD
16:23IAH
1 StopUSD 189VIEW DEAL

Washington to Houston monthly flight fare trend

Sep
from USD 200
Oct
from USD 75
Nov
from USD 68
Dec
from USD 123
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

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