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

View AU$143 flight on Wed, 9 Sept 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$327 Return, found 2 days ago
AU$327
Return
found 2 days ago
Select Delta flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$327 found 2 days ago
American Airlines
Sat, 15 Aug - Sat, 22 Aug
PHX
Phoenix
IAH
Houston
AU$328 Return, found 6 days ago
AU$328
Return
found 6 days ago
Select American Airlines flight, departing Sat, 15 Aug from Phoenix to Houston, returning Sat, 22 Aug, priced at AU$328 found 6 days ago
Delta
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$365 Return, found 2 days ago
AU$365
Return
found 2 days ago
Select Delta flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$365 found 2 days ago
Delta
Thu, 27 Aug - Thu, 3 Sept
PHX
Phoenix
IAH
Houston
AU$379 Return, found 1 day ago
AU$379
Return
found 1 day ago
Select Delta flight, departing Thu, 27 Aug from Phoenix to Houston, returning Thu, 3 Sept, priced at AU$379 found 1 day ago
Delta
Thu, 27 Aug - Thu, 3 Sept
PHX
Phoenix
IAH
Houston
AU$393 Return, found 1 day ago
AU$393
Return
found 1 day ago
Select Delta flight, departing Thu, 27 Aug from Phoenix to Houston, returning Thu, 3 Sept, priced at AU$393 found 1 day ago
American Airlines
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$394 Return, found 2 days ago
AU$394
Return
found 2 days ago
Select American Airlines flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$394 found 2 days ago
Delta
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$399 Return, found 2 days ago
AU$399
Return
found 2 days ago
Select Delta flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$399 found 2 days ago
Delta
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$402 Return, found 2 days ago
AU$402
Return
found 2 days ago
Select Delta flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$402 found 2 days ago
American Airlines
Sat, 15 Aug - Sat, 22 Aug
PHX
Phoenix
IAH
Houston
AU$405 Return, found 6 days ago
AU$405
Return
found 6 days ago
Select American Airlines flight, departing Sat, 15 Aug from Phoenix to Houston, returning Sat, 22 Aug, priced at AU$405 found 6 days ago
United
Wed, 12 Aug - Wed, 19 Aug
PHX
Phoenix
IAH
Houston
AU$416 Return, found 2 days ago
AU$416
Return
found 2 days ago
Select United flight, departing Wed, 12 Aug from Phoenix to Houston, returning Wed, 19 Aug, priced at AU$416 found 2 days ago

Find the cheapest month to fly from Phoenix (PHX) to Houston (IAH)

January is typically the cheapest month to fly

From AU$84 - AU$269 per traveller.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from PHX to IAH with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when PHX to IAH ticket fares go up or down.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you're looking for the cheapest time to fly from Phoenix Sky Harbor International Airport (PHX) to Houston George Bush Intercontinental (IAH), February is typically your best bet! You can expect average return flight prices around AU$378 during this month. February often sees lower prices because it falls after the busy holiday season, when travel demand tends to dip. Other budget-friendly months to consider for this route include January and October.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are 3 airlines offering direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental). Here are the top carriers:
  • United operates 46 direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
  • American Airlines operates 26 direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
  • Frontier Airlines operates 8 direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Frontier Airlines is one of the cheapest airlines offering nonstop return flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), with tickets starting from around AU$78 for flights that can be booked for departure within the next year. JetBlue Airways offers one of the cheapest connecting return flights on this route starting from AU$314. These prices are per adult for economy/coach class. 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.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, United 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), 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 Phoenix, AZ (PHX) to Houston, TX (IAH)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find around 11 nonstop flights per day from Phoenix Sky Harbor International (PHX) to Houston George Bush Intercontinental (IAH). For even more choices, look at flights that include layovers, as there are approximately 98 connecting flights per day. Some common connection points include Dallas-Fort Worth International (DFW), Denver International (DEN), and Seattle - Tacoma International (SEA).
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) typically departs around 12:05 AM local time. This service is operated by Frontier Airlines. This is a seasonal service active in March and April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll generally find the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) on a Friday, with around 83 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United, and Alaska Airlines. Flight schedules are quite consistent throughout the week, with Fridays having only slightly more options compared to other days.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Phoenix Sky Harbor Intl. (PHX) to Houston George Bush Intercontinental (IAH) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Frontier Airlines, offer flights during this window. Many travellers prefer this because it allows for an early start to your day in Houston, giving you more time to get things done or explore.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Flying from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) covers a distance of approximately 1,621 kilometres. A nonstop flight typically takes around 2 hours 48 minutes. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours 30 minutes. Flights with two or more stops generally take about 10 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You can fly business class or first class between PHX and IAH. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on:
  • Alaska Airlines
  • Spirit Airlines
  • United
  • Delta
  • American Airlines
How do I earn miles on a Phoenix, AZ (PHX) to Houston, TX (IAH) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX) to Houston, TX (IAH) 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 Houston, TX (IAH) from Phoenix, AZ (PHX)?
If you're planning to travel to Houston from Sky Harbor Intl. (PHX), you can fly directly into George Bush Intercontinental (IAH) which offers international flights and connections. Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), or Boise, ID (BOI) before reaching Houston. 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 Phoenix, AZ (PHX) to Houston, TX (IAH) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX) to Houston, TX (IAH) 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 Phoenix, AZ (PHX) to Houston, TX (IAH) flight and hotel package?
Securing a Phoenix, AZ (PHX) to Houston, TX (IAH) flight and hotel package 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) 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

Origin airport
Sky Harbor Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Return price
AU$327
Distance
1611 km
Average flight time
5 hours 33 mins

Book with confidence

Your quick guide to flights from Phoenix to Houston

Pick up great flights from Phoenix to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Phoenix to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Phoenix to Houston that take around hours.

Find cheap flights from Phoenix to Houston

From the great flight deals with prices currently ranging from AU$327 to AU$416, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Phoenix to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in August.

Reasons to book your flight from Phoenix to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Phoenix to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Phoenix to Houston

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*Available to Expedia members.