Washington to Houston

IADIAH

Fly from Washington to Houston starting at USD 85 with Frontier Airlines.Best fare available on Sep 9, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Houston cheapest flights this week

22 Aug
Frontier Airlines
08:59IAD
20:08IAH
1 StopUSD 170VIEW DEAL
24 Aug
Frontier Airlines
20:39IAD
08:20IAH
1 StopUSD 127VIEW DEAL
24 Aug
Frontier Airlines
10:45IAD
17:14IAH
1 StopUSD 172VIEW DEAL
25 Aug
Frontier Airlines
08:59IAD
20:08IAH
1 StopUSD 170VIEW DEAL
27 Aug
Frontier Airlines
06:20IAD
11:47IAH
1 StopUSD 170VIEW DEAL
28 Aug
Frontier Airlines
16:52IAD
09:02IAH
1 StopUSD 97VIEW DEAL
29 Aug
Frontier Airlines
20:39IAD
08:20IAH
1 StopUSD 111VIEW DEAL
2 Sept
Frontier Airlines
08:59IAD
20:08IAH
1 StopUSD 150VIEW DEAL
6 Sept
Frontier Airlines
20:39IAD
08:20IAH
1 StopUSD 115VIEW DEAL
9 Sept
Frontier Airlines
07:50IAD
23:30IAH
1 StopUSD 85VIEW DEAL

Washington to Houston monthly flight fare trend

Aug
from USD 97
Sep
from USD 79
Oct
from USD 127
Nov
No flights
Dec
from USD 175
Jan
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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