Are there direct flights?

Yes, United Airlines operates direct flights between IAH and PHX.

How long is the flight?

A direct flight takes about 2 hours and 30 minutes.

What is the best way to travel?

Flying is the most efficient and practical method.

Some areas are walkable, but you will likely need a car or public transit.

What is the time difference?

Phoenix is two hours behind Houston.

Houston

Phoenix

Flight

Houston to Phoenix

Updated: 28 May 2026

The most practical way to travel from Houston to Phoenix is by air, connecting George Bush Intercontinental Airport (IAH) to Phoenix Sky Harbor International Airport (PHX). Direct flights take approximately 2.5 hours. Driving is a long-distance journey of over 1,800 kilometers, taking roughly 17 hours via I-10 West. Phoenix is a major desert city, while Houston is a major energy center. Flying is highly recommended to save time.

Total Distance: Driving distance 1,850 km, Air distance 1,600 km.

Fastest Way

Direct flight from IAH to PHX takes 2 hours 30 minutes.

Cheapest Way

Booking a round-trip flight at least four weeks in advance is the cheapest option.

Compare Houston to Phoenix Routes

Flight

Direct

Duration

2 hours 30 mins

Avg Price

$150-$400

Operator

United Airlines

Route

IAH to PHX

United offers the most frequent direct service on this route.

Travel Tips

Airport Transit
Use the light rail or ride-share to get from PHX to downtown Phoenix.
Weather
Phoenix summers are extremely hot; pack light clothing if traveling between June and August.
Dining
Try the diverse food scene in Phoenix, from Mexican to fine dining.
Booking
Check for flight deals on Tuesday afternoons for the best prices.
Packing
Bring comfortable walking shoes for exploring Phoenix's diverse neighborhoods.