Cheap flights from Phoenix to Houston

Travelers and cabin class

Compare Phoenix to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

Book the best Houston fare with no extra fees

Flight deals from Phoenix to Houston

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix to Houston? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Phoenix to Houston

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

Direct flights from Phoenix to Houston

Alternative Phoenix to Houston routes

Looking for the cheapest, fastest or easiest route from Phoenix to Houston? You could fly into the following airports instead.

Phoenix to Houston: Flight information

The things to know before you go.
Cheapest flight foundC$194
Cheapest month to flySeptember
Average flight time2 hrs, 36 mins
Most popular airlineSouthwest Airlines
Average flights per week227

Finding cheap flights from Phoenix to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a round-trip flight from Phoenix to Houston is C$194. 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 35 minutes is the average flight time from Phoenix to Houston.
Southwest Airlines, Alaska Airlines and American Airlines fly direct from Phoenix to Houston.
There are 227 flights per week flying from Phoenix to Houston, as of May 2025.
The cheapest month to fly from Phoenix to Houston is usually May 2025.
If you're flying from Phoenix, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the center of Houston. We've found flights to this airport from C$194.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Houston on Saturday, September 6, 2025.
Yes – the average flight time is 2 hours and 35 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 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.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
The cheapest airline that flies to Houston is Frontier Airlines.

Travelling from Phoenix to Houston: what you need to know

  • Kick off your journey at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Check out your options for booking a flight from Phoenix to Houston departing from either of these.

  • When it comes to touching down in Houston, George Bush Intercontinental Airport (IAH) is a major gateway. Another is William P. Hobby Airport (HOU).

  • The average time for a direct Phoenix to Houston flight is 2 hours 35 minutes.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably catch your Phoenix to Houston flight.

  • Longer lines at security and check-in are likely if you're jetting off during high season, so give yourself some extra breathing space. A good rule of thumb for peak times? Get there up to four hours early for international flights and two hours for domestic departures.

How to find the cheapest flights from Phoenix to Houston

  • Right now, C$80 is the best price we've seen for a one-way ticket from Phoenix to Houston. The cheapest price for a return flight is C$194. Keep in mind fares can change due to availability at the time of booking.

  • Score cheap Phoenix to Houston flights by booking two months ahead. According to our research, that's the ideal time for bagging a bargain.

  • The best month for finding cheap plane tickets from Phoenix to Houston is May. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the lowest fares.

  • Snapping up a cheap flight from Phoenix to Houston is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Pick your ideal departure and arrival times, number of stops and airlines by using the filters. Alternatively, sort your Phoenix to Houston flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • You can find a direct flight from Phoenix to Houston taking off from Phoenix Sky Harbour International Airport (PHX). Board your plane at PHX and then hit the runway at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).

  • Leading carriers that offer direct Phoenix to Houston plane tickets from PHX include:

  • PHX is about 6 kilometres from central Phoenix. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 10 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 35 minutes.

  • Want a hassle-free start to your break? Stay near Phoenix Sky Harbour International Airport. Whether you're boarding an early flight from Phoenix to Houston or want to avoid feeling rushed, these hotels are perfect:

  • Phoenix Sky Harbour International Airport earns top marks for its on-time performance. 82.57% of flights that take off from PHX arrive at their destination without delay.

  • You'll find PHX at 3400 Sky Harbour Boulevard.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • Once your flight from Phoenix to Houston has touched down, you can get to the city centre in around 20 minutes by car. Central Houston is approximately 16 kilometres from William P. Hobby Airport (HOU).

  • If you travel by public transport, you'll get to the city centre in 1 hour 40 minutes or so.

  • After your flight from Phoenix to Houston, kick back at a hotel near HOU. These are some great accommodation options that'll help you get into relaxation mode:

  • Easirent, Dollar and Thrifty make collecting a William P. Hobby Airport rental car easy and quick. These trusted providers are located around or in the terminal and will have you behind the wheel before you know it.

  • Lock in the lowest price by securing your ride from HOU four weeks ahead of time. You'll also have access to a bigger selection of vehicles.

  • William P. Hobby Airport can be found at 7800 Airport Boulevard.

Best time to go to Houston

  • July is the most popular month for flights from Phoenix to Houston. To escape the crowds, visit Houston in February.

  • Lock in a Phoenix to Houston ticket departing in August if you want to explore the city during its warmest month. Expect temperatures in Houston to range from 24ºC (75ºF) to 40ºC (104ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap flights from Phoenix to Houston around that time if you want to travel in cooler conditions.

More about Houston

Explore more of United States

  • Houston has loads to offer, but there are so many other corners of United States waiting to be explored. About 306 kilometres west of Houston, a visit to San Antonio will keep you busy. Start with popular sights like The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another sought-after destination in United States and is around 370 kilometres north of Houston. No trip is complete without seeing Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

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