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$49+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PHX
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phoenix are usually found in August or January, booked 46 days in advance, depart on a Thursday or Saturday and return on a Friday

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 November 4, 2025.

This CheapOair deal was found by Cheapflights users on 11/2. 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 12/510:40 pmIAH - PHX
Nonstop3h 00mFrontier
Sun 12/710:26 pmPHX - IAH
1 stop25h 05mFrontier
Deal found 11/2$98
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Thu 12/410:28 pmIAH - PHX
Nonstop3h 00mFrontier
Sun 12/75:53 pmPHX - IAH
Nonstop2h 43mFrontier
Deal found 11/2$99
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/249:27 pmIAH - PHX
Nonstop3h 02mFrontier
Tue 12/24:32 pmPHX - IAH
1 stop21h 55mFrontier
Deal found 11/3$100
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:32 pmIAH - PHX
1 stop8h 17mFrontier
Thu 12/45:50 pmPHX - IAH
Nonstop2h 43mFrontier
Deal found 11/4$102
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:28 pmIAH - PHX
Nonstop3h 00mFrontier
Sun 12/216:01 pmPHX - IAH
Nonstop2h 36mFrontier
Deal found 11/4$103
This Frontier deal was found by Cheapflights users on 11/4. 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 11/289:27 pmIAH - PHX
Nonstop3h 02mFrontier
Wed 12/37:00 amPHX - IAH
1 stop7h 27mFrontier
Deal found 11/4$104
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:08 pmIAH - PHX
1 stop28h 09mFrontier
Sun 11/237:40 amPHX - IAH
Nonstop2h 39mFrontier
Deal found 11/4$105
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/1910:28 pmIAH - PHX
Nonstop3h 00mFrontier
Mon 12/225:50 pmPHX - IAH
Nonstop2h 43mFrontier
Deal found 11/4$106
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 12/25:00 amIAH - PHX
1 stop12h 29mMultiple Airlines
Thu 12/45:50 pmPHX - IAH
Nonstop2h 43mMultiple Airlines
Deal found 11/3$108
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/187:00 amIAH - PHX
1 stop6h 15mFrontier
Thu 11/204:37 pmPHX - IAH
1 stop6h 01mFrontier
Deal found 11/2$109
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Tue 11/187:00 amIAH - PHX
1 stop11h 01mFrontier
Wed 11/191:16 pmPHX - IAH
1 stop7h 37mFrontier
Deal found 11/4$110
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Sat 11/155:48 pmIAH - PHX
Nonstop2h 53mFrontier
Sun 11/167:37 amPHX - IAH
Nonstop2h 39mFrontier
Deal found 11/3$112

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 November 4, 2025.

Round-trip from

$98
(CheapOair)

One-way from

$49
(Frontier)

Popular in

May

Cheapest in

August

Average price

$214
From Houston George Bush Intcntl to Phoenix
Search Deals
One-way flight from Houston George Bush Intcntl to Phoenix
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 4, 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

Mon 12/8

10:06 am-12:10 pm

Nonstop3h 04m

Phoenix Sky Harbor Intl

Mon 12/8

1:25 pm-5:02 pm

Nonstop2h 37m

$126

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 12/2

6:35 pm-8:36 pm

Nonstop3h 01m

Phoenix Sky Harbor Intl

Thu 12/4

3:25 pm-7:02 pm

Nonstop2h 37m

$145

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 11/28

9:27 pm-11:29 pm

Nonstop3h 02m

Phoenix Sky Harbor Intl

Tue 12/2

4:32 pm-12:31 am

1 stop6h 59m

$190

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 12/12

5:55 pm-12:04 am

1 stop7h 09m

Phoenix Sky Harbor Intl

Mon 12/15

12:59 am-10:12 am

1 stop8h 13m

$197

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Mon 11/24

7:15 pm-12:36 am

1 stop6h 21m

Phoenix Sky Harbor Intl

Thu 11/27

1:45 pm-10:30 pm

1 stop7h 45m

$197

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 2/24

7:05 am-2:57 pm

1 stop8h 52m

Phoenix Sky Harbor Intl

Wed 2/25

10:46 am-5:38 pm

1 stop5h 52m

$199

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 11/26

9:27 pm-11:29 pm

Nonstop3h 02m

Phoenix Sky Harbor Intl

Thu 11/27

4:58 pm-8:35 pm

Nonstop2h 37m

$226

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Mon 11/17

4:50 pm-6:51 pm

Nonstop3h 01m

Phoenix Sky Harbor Intl

Wed 11/19

11:34 am-3:12 pm

Nonstop2h 38m

$243

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Mon 11/24

8:15 pm-10:15 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

Tue 12/2

3:25 pm-7:02 pm

Nonstop2h 37m

$294

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 11/25

9:33 pm-8:19 am

1 stop11h 46m

Phoenix Sky Harbor Intl

Fri 11/28

10:43 pm-5:45 pm

1 stop18h 02m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 October 31, 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 46 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $69). Flying from Houston George Bush Intcntl Airport to Phoenix in July is currently the most expensive (average of $132). 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 November 4, 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 41% on your trip compared to booking a flight in the morning.

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 Tuesday evenings when fares are most often at their lowest. Wednesday 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 November 4, 2025.

The most flights from IAH to PH1 are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 November 4, 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
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,038 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.8
Fair
3,116 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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, Frontier, and Delta can get you from Houston George Bush Intcntl Airport to Phoenix in just under 3h 02m. Your travel time can differ by up to 4h 07m. The distance from Houston George Bush Intcntl Airport to Phoenix is about 1006 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($71), United Airlines ($140), and American Airlines ($150) offers the cheapest pricing from Houston George Bush Intcntl Airport to Phoenix. Frontier is priced at 68% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Alaska Airlines (89%), American Airlines (84%) or United Airlines (81%) 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 $227 for a flight from Houston George Bush Intcntl Airport to Phoenix. The cheapest flight overall is $34 while the most popular route, (Houston George Bush Intcntl - Phoenix Sky Harbor Intl) is currently priced at $99.

  • 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $69). Flying from Houston George Bush Intcntl Airport to Phoenix in July is currently the most expensive (average of $132). 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.

See more FAQs

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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$183FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$140Average$296FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$150Average$271FlexibilityNo cancel feeOn-time71%

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