Cheap flight tickets from Phoenix to Houston George Bush Intercntl.

Compare Phoenix to Houston George Bush Intercntl. flight deals

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Flight deals from Phoenix to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best return flight from Phoenix to Houston George Bush Intercntl. Airport? If you want to travel next month, return fares start from RM637. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Houston George Bush Intercntl. flights are currently cheapest in July.

Direct flights from Phoenix to Houston George Bush Intercntl.

Phoenix to Houston George Bush Intercntl.: Alternative routes

Compare routes from Phoenix to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Phoenix to Houston: Flight information

The things to know before you go.
Cheapest flight foundRM219
Cheapest month to flyJuly
Average flight time2 hrs, 42 mins
Most popular airlineAmerican Airlines
Average flights per week196

Finding cheap flights from Phoenix to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a return flight from Phoenix to Houston George Bush Intercntl. is RM502. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 42 minutes is the average flight time from Phoenix to Houston George Bush Intercntl..
American Airlines, United and Alaska Airlines fly direct from Phoenix to Houston George Bush Intercntl..
As of May 2026, there are 392 flights per week flying from Phoenix to Houston George Bush Intercntl..
The cheapest month to fly from Phoenix to Houston George Bush Intercntl. is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Houston George Bush Intercntl. Airport on Thursday, 23 July 2026.
Yes – the average flight time is 2 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Houston George Bush Intercntl. is Frontier Airlines .

Travelling from Phoenix to Houston George Bush Intercontinental Airport (IAH): What you need to know

  • Phoenix's main airport is Phoenix Sky Harbour International Airport (PHX). Check out your options for leaving from this base when searching for flights from Phoenix to Houston George Bush Intercontinental Airport (IAH).

  • 2 hours 35 minutes is the average journey time for a direct Phoenix to Houston George Bush Intercontinental Airport flight.

  • The timezone in Houston is UTC-6, which is one hour ahead of Phoenix. Houston George Bush Intercontinental Airport is located in Houston.

  • With 54 direct flights a week between the two airports, Phoenix Sky Harbour International Airport (PHX) to Houston George Bush Intercontinental Airport (IAH) is the most popular route. Frontier Airlines operates the earliest flight at 5:15am. If you prefer to get more out of your day before you fly, the last departure from PHX to IAH is with United Airlines at 11:59pm.

  • Get to the airport on time so you don't miss your flight from Phoenix to IAH. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • If you're flying during a popular month like March, make your way to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. Expect lines to be longer during peak periods like Thanksgiving and Christmas.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • Reach your destination without the detour from Phoenix Sky Harbour International Airport (PHX). Nonstop flights from Phoenix to Houston George Bush Intercontinental Airport (IAH) are available from here.

  • Choose from a variety of carriers operating direct flights from Phoenix to Houston George Bush Intercontinental Airport leaving from PHX. Get on board with any of these:

  • The preferred airline for passengers flying between PHX and IAH is United.

  • United is the best performing carrier for punctuality on this route.

  • Located around 5 kilometres from central Phoenix, PHX can be reached in about 10 minutes by car, depending on traffic. The journey by public transport is roughly 25 minutes.

  • Want a hassle-free start to your journey? Stay near Phoenix Sky Harbour International Airport. Whether you're boarding an early flight from Phoenix to Houston George Bush Intercontinental Airport or prefer not to feel hurried, these hotels are just what you're after:

  • Phoenix Sky Harbour International Airport has a strong on-time performance, making delays less likely. Departures from PHX arrive on schedule 80% of the time.

  • The address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • You can reach AZA from central Phoenix in about 30 minutes by car (depending on traffic). The ride on public transport will take roughly 1 hour 15 minutes to travel the 32 kilometres or so.

  • Flying out early in the morning? You might like to check in to one of these accommodation options near Phoenix-Mesa Gateway Airport the day before your Phoenix to IAH flight:

  • Flights from Phoenix-Mesa Gateway Airport have a strong track record for punctuality, with 82% of them landing right on cue.

  • You'll find AZA at 6033 S. Sossaman Rd..

About Houston George Bush Intercontinental Airport (IAH)

Getting from Houston George Bush Intercontinental Airport (IAH) to central Houston

  • Houston George Bush Intercontinental Airport is around 40 kilometres from central Houston. It takes around 30 minutes or so to drive to the city.

  • Travelling by public transport takes about 1 hour 10 minutes.

How to find the cheapest flights from Phoenix to Houston George Bush Intercontinental Airport (IAH)

  • The cheapest price we've found for a one-way ticket from Phoenix to Houston George Bush Intercontinental Airport is RM219. For a return flight on this route, the best price is RM502. Depending on when you book and the availability, these fares could change.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from Phoenix to IAH if you book ahead. Airlines often have some fantastic early bird rates.

  • Affordable Phoenix to Houston George Bush Intercontinental Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search function to compare fares across each month and then choose the cheapest day.

  • Snapping up a cheap plane ticket from Phoenix to IAH is easy with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as the price has dropped.

  • Filters make it easier to find a bargain for your flight from Phoenix to Houston George Bush Intercontinental Airport. Choose the departure times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Phoenix to Houston George Bush Intercontinental Airport (IAH)

  • Think about your travel style when planning your trip dates. January is the quietest month to visit Houston. July is when most people book flights from Phoenix to Houston George Bush Intercontinental Airport (IAH), which may be perfect if you enjoy travelling when it's busier.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Book your Phoenix to IAH plane ticket then if you enjoy this type of weather.

  • If you like travelling in cooler conditions, look for a cheap ticket from Phoenix to Houston George Bush Intercontinental Airport in January when temperatures are between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

Explore more of the United States

  • Houston has loads to offer, but there are so many other parts of the United States just waiting to be discovered. About 241 kilometres west of Houston, a trip to Austin will fill your itinerary to the brim. Check out popular attractions like Texas State Capitol, Austin Museum of Art, Downtown and 360 Bridge.

  • Corpus Christi is another sought-after destination in the United States and is around 306 kilometres southwest of Houston. No journey is complete without dropping by USS LEXINGTON, Texas State Aquarium and Bayfront Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.