$33 Cheap Flights from Phoenix (PHX) to Houston (IAH)

You can find cheap one-way flights from $33 and cheap return flights from $77 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) with Expedia. One-way flights usually range from $103 to $1157, and return flights typically cost between $252 and $1122. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

February is typically the cheapest month to fly from Phoenix (PHX) to Houston (IAH), with average return fares around $253. This is about 15% lower than the average price throughout the year, as travel demand is generally lower after the holiday season. Other affordable months to consider are January and October.*Averages based on flights available on Expedia in the last year.

Choose from 3 airlines operating direct flights from PHX to IAH:

• United operates around 53 direct flights from PHX to IAH every week
• American Airlines operates around 31 direct flights from PHX to IAH every week
• Frontier Airlines operates around 10 direct flights from PHX to IAH every week

Frontier Airlines is one of the cheapest airlines offering nonstop flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) starting from around $54 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

When flying from Phoenix, AZ (PHX) to Houston, TX (IAH), February and October are the best months to travel, with average return flight prices around $253. These months are less crowded, allowing you to enjoy a smoother travel experience while saving on costs.*Prices based on flights available on Expedia in the last year.

You can fly first class between PHX and IAH. First class cabins are available on:

• Delta Air Lines
• American Airlines
• United Airlines
• Spirit Airlines

A direct, return business class ticket from Phoenix, AZ (PHX) to Houston, TX (IAH) typically costs between $1,113 - $1,673 per adult. A non-stop, one-way business class flight is usually around $494 - $768 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.