Washington to Houston

IADIAH

Fly from Washington to Houston starting at USD 71 with Frontier Airlines.Best fare available on Aug 5, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Houston cheapest flights this week

30 Jul
Frontier Airlines
09:50IAD
20:58IAH
1 StopUSD 177VIEW DEAL
1 Aug
Frontier Airlines
20:33IAD
08:20IAH
1 StopUSD 168VIEW DEAL
2 Aug
Frontier Airlines
20:33IAD
08:20IAH
1 StopUSD 160VIEW DEAL
4 Aug
Frontier Airlines
09:50IAD
20:58IAH
1 StopUSD 155VIEW DEAL
5 Aug
Frontier Airlines
07:48IAD
23:29IAH
1 StopUSD 71VIEW DEAL
5 Aug
Frontier Airlines
20:33IAD
08:20IAH
1 StopUSD 176VIEW DEAL
6 Aug
Frontier Airlines
20:33IAD
08:20IAH
1 StopUSD 161VIEW DEAL
13 Aug
Frontier Airlines
07:48IAD
23:29IAH
1 StopUSD 102VIEW DEAL
28 Aug
Frontier Airlines
16:52IAD
09:02IAH
1 StopUSD 97VIEW DEAL
6 Sept
Frontier Airlines
20:39IAD
08:20IAH
1 StopUSD 115VIEW DEAL

Washington to Houston monthly flight fare trend

Jul
from USD 177
Aug
from USD 71
Sep
from USD 79
Oct
No flights
Nov
No flights
Dec
from USD 175

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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