Phoenix to Houston
PHXIAH
Fly from Phoenix to Houston starting at USD 81 with Frontier Airlines.
Best fare available on Jun 3, 2026.
Limited seats. Better plans. Book before it's gone.
Phoenix to Houston cheapest flights this week
Phoenix to Houston monthly flight fare trend
May
No flights
Jun
from USD 81
Jul
No flights
Aug
from USD 145
Sep
No flights
Oct
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
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