Washington to Houston

IADIAH

Fly from Washington to Houston starting at USD 84 with Frontier Airlines.Best fare available on Jul 28, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Houston cheapest flights this week

27 Jul
Frontier Airlines
07:49IAD
08:20IAH
1 StopUSD 105VIEW DEAL
27 Jul
Frontier Airlines
20:33IAD
08:20IAH
1 StopUSD 144VIEW DEAL
28 Jul
Frontier Airlines
20:33IAD
11:03IAH
1 StopUSD 84VIEW DEAL
28 Jul
Frontier Airlines
17:40IAD
09:24IAH
1 StopUSD 120VIEW DEAL
28 Jul
Frontier Airlines
09:50IAD
20:58IAH
1 StopUSD 182VIEW DEAL
29 Jul
Frontier Airlines
07:49IAD
23:39IAH
1 StopUSD 84VIEW DEAL
29 Jul
Frontier Airlines
11:11IAD
19:25IAH
1 StopUSD 127VIEW DEAL
30 Jul
Frontier Airlines
09:50IAD
20:58IAH
1 StopUSD 141VIEW 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

Washington to Houston monthly flight fare trend

Jul
from USD 84
Aug
from USD 71
Sep
from USD 115
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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