Cheap Flights 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. Airport

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 $94. 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 April.

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 found$94
Cheapest month to flyApril
Average flight time2 hrs, 40 mins
Most popular airlineAmerican Airlines
Average flights per week327

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 $94. 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 40 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 March 2026, there are 327 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 April.
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 Saturday, 18 April 2026.
Yes – the average flight time is 2 hours and 40 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 .

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

  • Start your trip planning by looking up the ideal departure point for your flight from Phoenix to George Bush Intercontinental Airport (IAH). Explore the options for leaving from Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA), the city's main airports.

  • Houston is two hours ahead of Phoenix. George Bush Intercontinental Airport is located in Houston, which follows the UTC-5 timezone.

  • To ensure you catch your flight from Phoenix to IAH, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Heading away during a peak time like a bank holiday? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbour International Airport (PHX)

  • Consider flying out of Phoenix Sky Harbour International Airport (PHX). You can book a direct Phoenix to George Bush Intercontinental Airport (IAH) flight ticket with departures from here.

  • When departing from PHX, you can pick from a range of airlines that have direct flights from Phoenix to IAH. Soar above the clouds with any of these carriers:

  • On the PHX to IAH route, United Airlines is the go-to airline for most travellers.

  • Among the carriers operating flights between Phoenix Sky Harbour International Airport and George Bush Intercontinental Airport, United Airlines has the best track record for timeliness.

  • You can reach PHX from central Phoenix in approximately 10 minutes by car (depending on traffic). The journey by public transport will take roughly 35 minutes to travel the 8 kilometres or so.

  • Want to treat yourself to an extra night away before catching your Phoenix to IAH flight? Check in to a hotel near Phoenix Sky Harbour International Airport before your break officially begins. These stays are calling your name:

  • Most flights that leave Phoenix Sky Harbour International Airport touch down at their destination on schedule. It achieves a consistent on-time performance rate of 82.57%.

  • The address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Is around AZA 56 kilometres from central Phoenix. Driving from the city centre to the airport takes roughly 40 minutes.

  • Make catching an early Phoenix to George Bush Intercontinental Airport flight one of the easiest parts of your trip. Stay at one of these accommodation options near Phoenix-Mesa Gateway Airport and get to the check-in counter with plenty of time to spare:

  • Flights departing from AZA arrive at their destination on schedule 78.65% of the time.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About George Bush Intercontinental Airport (IAH)

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

  • The centre of Houston is around 21 kilometres from George Bush Intercontinental Airport. Journey times by car hire or cab will vary depending on time of day and traffic conditions, so do some research before your trip.

  • It takes around 50 minutes when travelling by public transport.

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

  • The lowest price we've found for a one-way ticket from Phoenix to George Bush Intercontinental Airport is $37. For a return flight on this route, the best price is $94. Depending on how early you book and the availability, these fares can change.

  • Booking ahead of time is often the key to finding a cheap flight from Phoenix to IAH. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend on your ticket.

  • Cheap Phoenix to George Bush Intercontinental Airport tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' tool to compare fares across each month and then pick the cheapest day.

  • There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll let you know when there's a better deal on flight tickets from Phoenix to IAH.

  • Tailor your travel plans using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Phoenix to George Bush Intercontinental Airport.

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

  • February is the quietest month for flights from Phoenix to George Bush Intercontinental Airport (IAH), while July is the busiest. Choose the ideal time to go to Houston based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC and 40ºC. Lock in your Phoenix to IAH flight ticket then if that's your ideal forecast.

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

More about Houston

  • After booking your flight from Phoenix to George Bush Intercontinental Airport, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Houston:

  • There are so many things to do and see in this city, it can be hard to figure out where to begin. The Museum of Fine Arts, Houston, Beck Building, The Houston Museum of Natural Science and Holocaust Museum Houston are major attractions which should be on every Houston itinerary.

Explore more of the United States

  • Austin is just one of the many places in the United States waiting to be discovered after you've seen Houston. Around 241 kilometres away to the west, well-known attractions include Texas State Capitol, Central Park and Austin Museum of Art, Downtown.

  • Corpus Christi is another must-experience destination in the United States and is around 306 kilometres south-west of Houston. No journey is complete without experiencing Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral.

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