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$67+ Cheap flights from George Bush Intcntl (IAH) to Phoenix

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PHX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phoenix are usually found in September or January, booked 69 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from George Bush Intcntl to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Phoenix (PH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$104
(CheapOair)

One-way from

$67
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$179
From Houston George Bush Intcntl to Phoenix
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One-way flight from Houston George Bush Intcntl to Phoenix
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Highest demand for flights based on searches. 11% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from George Bush Intcntl to Phoenix

Cheapest flights from George Bush Intcntl to Phoenix
Explore the most affordable flight options available from George Bush Intcntl to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:59 pmIAH - PHX
Nonstop2h 55mFrontier
Mon 10/205:29 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$104
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:11 pmIAH - PHX
Nonstop2h 52mFrontier
Mon 11/104:41 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/9$106
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:59 pmIAH - PHX
Nonstop2h 55mFrontier
Thu 10/304:41 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$107
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:59 pmIAH - PHX
Nonstop2h 55mFrontier
Thu 10/304:41 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$110
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:59 pmIAH - PHX
Nonstop2h 55mFrontier
Fri 10/245:29 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$111
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:59 pmIAH - PHX
Nonstop2h 55mFrontier
Mon 10/275:29 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$112
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:59 pmIAH - PHX
Nonstop2h 55mFrontier
Sat 10/251:10 pmPHX - IAH
Nonstop2h 38mFrontier
Deal found 9/10$115
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:11 pmIAH - PHX
Nonstop2h 52mFrontier
Mon 11/174:41 pmPHX - IAH
Nonstop2h 45mFrontier
Deal found 9/10$119
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:35 pmIAH - PHX
Nonstop2h 52mFrontier
Sat 10/251:10 pmPHX - IAH
Nonstop2h 38mFrontier
Deal found 9/10$120

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Phoenix that are best for you.

Fly from

George Bush Intcntl

Fly to

Phoenix

Route

Depart

Return

Price

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 10/7

7:35 am-8:23 am

Nonstop2h 48m

Phoenix Sky Harbor Intl

Tue 10/14

6:00 am-10:39 am

Nonstop2h 39m

$149

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 10/29

8:15 pm-9:15 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

Sun 11/2

8:07 pm-11:40 pm

Nonstop2h 33m

$149

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 10/21

8:25 pm-9:15 pm

Nonstop2h 50m

Phoenix Sky Harbor Intl

Sat 10/25

10:45 am-3:25 pm

Nonstop2h 40m

$213

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Sat 10/25

10:15 am-11:04 am

Nonstop2h 49m

Phoenix Sky Harbor Intl

Wed 10/29

10:34 am-3:12 pm

Nonstop2h 38m

$213

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 10/22

4:55 pm-5:44 pm

Nonstop2h 49m

Phoenix Sky Harbor Intl

Sat 10/25

6:00 am-10:39 am

Nonstop2h 39m

$213

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 10/17

6:55 pm-11:38 pm

1 stop6h 43m

Phoenix Sky Harbor Intl

Thu 10/30

11:45 am-10:54 pm

1 stop9h 09m

$217

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 10/17

6:55 pm-11:38 pm

1 stop6h 43m

Phoenix Sky Harbor Intl

Wed 10/29

7:05 am-5:31 pm

1 stop8h 26m

$217

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Sat 10/18

4:21 pm-11:00 pm

1 stop8h 39m

Phoenix Sky Harbor Intl

Sat 10/25

11:45 am-9:35 pm

1 stop7h 50m

$217

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 10/17

6:55 pm-11:38 pm

1 stop6h 43m

Phoenix Sky Harbor Intl

Fri 10/31

10:59 pm-10:06 am

1 stop9h 07m

$217

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 12/4

2:30 pm-9:23 pm

1 stop7h 53m

Phoenix Sky Harbor Intl

Sun 12/7

7:15 am-2:15 pm

1 stop6h 00m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
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Best time to book a flight from George Bush Intcntl to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Phoenix

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Phoenix. Price data was last updated on August 29, 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport to Phoenix may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $258). Flying from Houston George Bush Intcntl Airport to Phoenix in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to PHX?

Find hourly flight availability from George Bush Intcntl to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Phoenix in the evening. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Phoenix?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Phoenix. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Phoenix flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Houston George Bush Intcntl Airport to Phoenix

Explore weekly flight availability from George Bush Intcntl to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from IAH to PH1 are scheduled on a Thursday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Frontier from Houston George Bush Intcntl Airport to Phoenix to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Frontier
5.8
Fair
3,177 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston George Bush Intcntl Airport to Phoenix?

    United Airlines can get you from Houston George Bush Intcntl Airport to Phoenix in just under 2h 48m. Your travel time will be generally consistent. The distance from Houston George Bush Intcntl Airport to Phoenix is about 1006 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Phoenix round-trip?

    According to our current data, Frontier ($73), American Airlines ($150), and United Airlines ($152) offers the cheapest pricing from Houston George Bush Intcntl Airport to Phoenix. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Phoenix one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $81. Users have also found prices from $83 and $83 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Phoenix?

    Consider Qatar Airways (100%), American Airlines (84%) or Alaska Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to Phoenix.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Phoenix?

    On average you can expect to pay $184 for a flight from Houston George Bush Intcntl Airport to Phoenix. The cheapest flight overall is $70 while the most popular route, (Houston George Bush Intcntl - Phoenix Sky Harbor Intl) is currently priced at $125.

  • Can I find deals for flights from George Bush Intcntl to Phoenix that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Phoenix.

  • Can I find deals for business class flights from George Bush Intcntl to Phoenix?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $258). Flying from Houston George Bush Intcntl Airport to Phoenix in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 3 airlines flying from George Bush Intcntl to Phoenix

Discover the top 3 airlines that operate flights from George Bush Intcntl to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$181FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$150Average$264FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$152Average$305FlexibilityNo cancel feeOn-time69%

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