£122 Cheap Flights from Phoenix (PHX) to Houston (IAH)

View £122 flight on Tue, 14 Jul 2026Opens in a new window

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 and start at £122 for one-way flights and £281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 13 Aug - Thu, 3 Sept
PHX
Phoenix
IAH
Houston
£281 Return, found 4 days ago
£281
Return
found 4 days ago
Select JetBlue Airways flight, departing Thu, 13 Aug from Phoenix to Houston, returning Thu, 3 Sept, priced at £281 found 4 days ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£315 Return, found 1 hour ago
£315
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £315 found 1 hour ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£322 Return, found 1 hour ago
£322
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £322 found 1 hour ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£323 Return, found 1 hour ago
£323
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £323 found 1 hour ago
JetBlue Airways
Wed, 1 Jul - Wed, 8 Jul
PHX
Phoenix
IAH
Houston
£327 Return, found 4 days ago
£327
Return
found 4 days ago
Select JetBlue Airways flight, departing Wed, 1 Jul from Phoenix to Houston, returning Wed, 8 Jul, priced at £327 found 4 days ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£330 Return, found 1 hour ago
£330
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £330 found 1 hour ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£331 Return, found 1 hour ago
£331
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £331 found 1 hour ago
United
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£370 Return, found 1 hour ago
£370
Return
found 1 hour ago
Select United flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £370 found 1 hour ago
Alaska Airlines
Tue, 29 Sept - Thu, 1 Oct
PHX
Phoenix
IAH
Houston
£379 Return, found 3 days ago
£379
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 29 Sept from Phoenix to Houston, returning Thu, 1 Oct, priced at £379 found 3 days ago
Delta
Sun, 21 Jun - Sun, 28 Jun
PHX
Phoenix
IAH
Houston
£522 Return, found 1 hour ago
£522
Return
found 1 hour ago
Select Delta flight, departing Sun, 21 Jun from Phoenix to Houston, returning Sun, 28 Jun, priced at £522 found 1 hour ago

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
One-way flights typically cost between $428 and $1,900 and return flights often range between $851 and $2,660. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
February is typically the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), with average round-trip fares of approximately 616 CAD. This is about 15% lower than the average price throughout the year. February often sees lower prices as it falls outside of peak holiday travel periods, leading to less demand and more competitive airline pricing. Other cheap months to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Enter PHX to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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, UA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. AA 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-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
When looking for the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), you'll find that February and October offer the cheapest fares, with average round-trip flights around 616 CAD. While these months are great for your budget, March and July are the most popular times to travel, meaning you'll have plenty of flight options and schedules to choose from. Consider balancing these factors to find the best trip for you, based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 12 nonstop flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental). For even more choice, look at flights that include layovers, as there are around 98 connecting flights per day. Some common connection points include Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), and Los Angeles Intl. (LAX).
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 at approximately 12:05 AM local time, operated by Frontier Airlines. This is a seasonal service active in March and April. An early departure like this can help maximize 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)?
When flying from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental), you'll typically find the most flights on a Friday, with around 81 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Alaska Airlines. Friday sees notably more flight options compared to other days of the week, offering about 13% more flights than the average.
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 International Airport (PHX) to Houston George Bush Intercontinental (IAH) are in the early morning, from 6am to 9am. This accounts for around 26% of total traffic. Many major carriers, including American Airlines, Frontier Airlines and United Airlines, offer flights during this window. This timing works well for travelers who want to arrive in Houston early, giving you a full day to get started on your plans.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from PHX to IAH typically takes around 2 hours 50 minutes, covering approximately 1,007 miles. Connecting flights on this route usually add 4 hours 10 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for PHX to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A non-stop, one-way business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) is usually around 1780 CAD - 2737 CAD. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
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.
What airports do you fly into for Houston from Sky Harbor Intl. (PHX)?
When traveling from Sky Harbor Intl. (PHX) to Houston, you can fly into George Bush Intercontinental (IAH) and William P. Hobby (HOU). Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), BOI (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-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) 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-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Houston, TX (IAH-George Bush Intercontinental) 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
Alaska Airlines, JetBlue Airways
Return price
£281
Distance
1611 km
Average flight time
4 hours 40 mins

Book with confidence

Compare flights from Phoenix to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Phoenix to Houston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George Bush Intercontinental in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sky Harbor Intl. to George Bush Intercontinental.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sky Harbor Intl. (PHX) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from Phoenix to Houston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sky Harbor Intl. to George Bush Intercontinental start at just £281 and range up to £522.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Phoenix and Houston
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Phoenix to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sky Harbor Intl. to George Bush Intercontinental for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Phoenix to Houston easily and book with confidence

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*Available to Expedia members.