Houston to Phoenix
IAHPHX
Fly from Houston to Phoenix starting at USD 129 with Frontier Airlines.
Best fare available on Jun 24, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Phoenix cheapest flights this week
Houston to Phoenix monthly flight fare trend
May
from USD 46
Jun
from USD 129
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
Phoenix
Phoenix Sky Harbor International Airport (PHX)
Phoenix, PHX
Zone
Phoenix
Elev
1135 ft
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