A spacious airport terminal with clear signage for gates, a nursing room, and an animal relief area.

$41 Cheap Flights from Houston (IAH) to Phoenix (PHX)

Popular airlines from George Bush Intercontinental Airport (IAH) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Houston to Phoenix (IAH-PHX)

Prices were available within the past 7 days and start at $41 for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Delta
American Airlines
United
JetBlue Airways

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

What you need to know for your flight from George Bush Intercontinental to Sky Harbor Intl.

Houston (IAH) to Phoenix (PHX) at a glance

Travel from Houston (IAH) to Phoenix (PHX) with a variety of airlines on this short domestic route. Discover options for flights from Houston that cater to different wallets, whether you’re seeking cheap fares or a more comprehensive service. Compare itineraries that align with your budget and schedule as you prepare to explore the iconic sights and neighborhoods of Phoenix. Here are the essential details for flights departing from George Bush Intercontinental Airport (IAH) to Sky Harbor International Airport (PHX).

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 45+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $50–$370, depending on seasonality and how far ahead you book

Flights from George Bush Intercontinental Airport (IAH) to Sky Harbor International Airport (PHX)

According to recent traveler bookings, the top airlines flying from Houston to Phoenix are favored for their non-stop and one-stop flights. Common layover options include Denver International Airport (DEN) with approximately a 1 hour and 45-minute layover, Dallas-Fort Worth International Airport (DFW) offering around a 1-hour layover, and Harry Reid International Airport (LAS) with about a 1 hour and 30-minute layover. These choices allow you to easily compare prices, total travel times, and cabin classes to create the ideal travel itinerary.

  • United: This comprehensive airline provides both non-stop and one-stop flights, with one-way ticket prices typically falling between $70 and $445. It represents around 55% of departures on this route, with a standard non-stop flight duration of 3 hours.
  • American Airlines: Another full-service airline offering both non-stop and one-stop services, American Airlines has one-way fares generally ranging from $70 to $445. It makes up roughly 27% of departures along this route, with a typical non-stop travel time of 3 hours.
  • Frontier Airlines: As a budget-friendly carrier, Frontier provides non-stop and one-stop options, with one-way fares usually between $50 and $250. It accounts for about 18% of flights on this route, and the average non-stop journey takes 3 hours.
  • Delta: This full-service airline offers one-stop service, with one-way fares typically priced between $100 and $445. Delta handles around 1% of departures for this route, with an in-flight duration of 4 hours and 45 minutes, totaling approximately 6 hours and 30 minutes including layovers.

Travelers flying from Houston to Phoenix can opt for an upgrade to first class, with both United and American Airlines providing premium service for this route.

Best time to fly from Houston (IAH) to Phoenix (PHX)

The most popular months for travelers flying from Houston to Phoenix are February, March, and April, when peak temperatures in Phoenix reach up to 74.5°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 89.8°F. For better deals, October usually offers the lowest average one-way fare around $150. Flight availability peaks in October, with approximately 57 flights per week, making it easier to find convenient departure times. August has the fewest flights, with approximately 40 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $150, roughly 8% cheaper than the yearly average.
  • More budget-friendly months to fly: September, November, and August typically offer average one-way fares of around $156.
  • Most flight options: October has the highest number of flights from Houston to Phoenix, with approximately 57 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January55.4°F (13.0°C)Average48$171
February58.6°F (14.8°C)High51$161
March66.0°F (18.9°C)High53$174
April74.5°F (23.6°C)High49$165
May82.0°F (27.8°C)Average53$169
June92.3°F (33.5°C)Average47$171
July95.7°F (35.4°C)Low44$166
August94.8°F (34.9°C)Low40$158
September89.8°F (32.1°C)Low41$155
October77.7°F (25.4°C)Average57$150
November65.5°F (18.6°C)Average54$156
December55.4°F (13.0°C)Average50$169

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Houston (IAH) to Phoenix (PHX)

  • Houston to Phoenix (HOU-PHX): William P. Hobby Airport (HOU) is located approximately 23 miles from George Bush Intercontinental Airport (IAH). One-way economy ticket prices on this route generally fall between $65 and $445, influenced by the season and how far in advance you book. Travelers can choose from both non-stop and one-stop flights. Major airlines operating on this route include budget carriers like Southwest Airlines and Frontier Airlines.

How to find the best prices for flights from Houston (IAH) to Phoenix (PHX)

Getting some of the best deals on flights from Houston to Phoenix is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Evening departures from 6 PM to 12 AM often have lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Saturday generally offers cheaper rates, even though Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sky Harbor International Airport from George Bush Intercontinental Airport

Phoenix welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. Here's how to reach Phoenix efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Phoenix, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Sky Harbor International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sky Harbor International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sky Harbor International Airport, Terminal 3 Station, a metro station, is located about 0.1 miles away on foot, while the Phoenix Airport Bus Stop, a bus station, is situated approximately 0.2 miles away on foot, providing convenient access to public transportation options for travelers.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $41 and cheap return flights from $82 Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights typically cost between $102 and $1049, and return flights often range between $249 and $1651. 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 Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
January is the cheapest month to fly from Houston (IAH) to Phoenix (PHX), with average return fares around $257. This price is about 14% lower than the average for the year, as travel demand typically decreases after the holiday season. Other cheap months to fly from Houston to Phoenix include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
There are 3 airlines offering direct flights from IAH to PHX:

  • United operates around 57 direct flights from IAH to PHX every week
  • American Airlines operates around 33 direct flights from IAH to PHX every week
  • Frontier Airlines operates around 10 direct flights from IAH to PHX every week

What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Houston (IAH) to Phoenix (PHX), with round-trip tickets starting from around $375. 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.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Houston, TX (IAH) to Phoenix, AZ (PHX) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines offers the most daily flights from IAH to PHX, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best time to fly from Houston, TX (IAH) to Phoenix, AZ (PHX) is in January or September. These months are the cheapest, with return flights averaging around $257. January is a great time to escape the winter chill, while September offers warm weather and fewer crowds, making your trip more enjoyable.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
There are approximately 14 nonstop flights per day from George Bush Intercontinental (IAH) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from George Bush Intercontinental (IAH) to Sky Harbor International (PHX) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in January and December, allowing you to maximize your time in Phoenix. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Houston (IAH) to Phoenix (PHX) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including American Airlines, Delta and Frontier, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Phoenix with plenty of time to enjoy your day.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A nonstop flight from IAH to PHX typically takes around 3 hours, covering approximately 1,007 miles. Connecting flights on this route usually add 4 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
You can fly first class between IAH and PHX. First class cabins are available on:

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

How much is a business class flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A direct, return business class ticket from Houston, TX (IAH) to Phoenix, AZ (PHX) typically costs between $1,237 - $1,997. A non-stop, one-way business class flight is usually around $552 - $719. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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.
What airports do you fly into for Phoenix from George Bush Intercontinental (IAH)?
From George Bush Intercontinental (IAH), you can fly into Sky Harbor Intl. (PHX) to reach Phoenix. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), Portland Intl. (PDX) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
George Bush Intercontinental
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$82
Distance
1006 mi

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