Phoenix to Houston

PHXIAH

Fly from Phoenix to Houston starting at USD 135 with Frontier Airlines.Best fare available on Jul 15, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Houston cheapest flights this week

15 Jul
Frontier Airlines
00:20PHX
08:56IAH
1 StopUSD 135VIEW DEAL
23 Aug
Frontier Airlines
16:09PHX
22:44IAH
1 StopUSD 145VIEW DEAL
23 Aug
Frontier Airlines
00:29PHX
09:04IAH
1 StopUSD 143VIEW DEAL

Phoenix to Houston monthly flight fare trend

Jul
from USD 135
Aug
from USD 143
Sep
No flights
Oct
No flights
Nov
No flights
Dec
No flights

Airport Details

Origin

Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix, PHX
Zone

Phoenix

Elev

1135 ft

Destination

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Flights from Phoenix

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