Houston to Phoenix
IAHPHX
Fly from Houston to Phoenix starting at USD 46 with Frontier Airlines.
Best fare available on Aug 19, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Phoenix cheapest flights this week
Houston to Phoenix monthly flight fare trend
Aug
from USD 46
Sep
from USD 63
Oct
No flights
Nov
No flights
Dec
No flights
Jan
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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