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$84+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PHX
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Phoenix are usually found in October or January, booked 45 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap 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 July 7, 2026.

This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Wed 8/129:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/2$161
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 11/31:14 pm
IAH
-
PHX
1 stop10h 21m
Frontier
Wed 11/45:54 pm
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 7/3$162
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:47 pm
IAH
-
PHX
Nonstop2h 57m
Frontier
Wed 9/304:11 pm
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 7/2$163
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Fri 7/319:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/6$164
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:47 pm
IAH
-
PHX
Nonstop2h 57m
Frontier
Mon 9/289:15 am
PHX
-
IAH
Nonstop2h 53m
Frontier
Deal found 7/2$165
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Mon 8/109:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/6$166
This Super.com deal was found by Cheapflights users on 7/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Wed 7/299:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/5$167
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Thu 8/139:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/3$168
This Gotogate deal was found by Cheapflights users on 7/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Fri 8/219:10 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/6$169
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Tue 7/289:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/2$170
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 7/3011:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Fri 7/319:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Deal found 7/2$172

Find 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 July 7, 2026.

Round-trip from

$161
(Super.com)

One-way from

$84
(Frontier)

Popular in

June

Cheapest in

October

Average price

$258
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. 13% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 July 7, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 7/24

7:53 pm-8:42 pm

Nonstop2h 49m

Phoenix Sky Harbor Intl

Mon 7/27

8:30 am-1:06 pm

Nonstop2h 36m

$348
Quickest round-trip

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Sun 8/2

2:20 pm-3:07 pm

Nonstop2h 47m

Phoenix Sky Harbor Intl

Sat 8/8

8:30 am-1:06 pm

Nonstop2h 36m

$373

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 12/24

4:00 pm-10:52 pm

1 stop7h 52m

Phoenix Sky Harbor Intl

Mon 1/4

7:05 am-5:40 pm

1 stop9h 35m

$403

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 11/19

4:00 pm-10:52 pm

1 stop7h 52m

Phoenix Sky Harbor Intl

Sun 11/22

12:55 am-10:08 am

1 stop8h 13m

$431

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 12/31

4:20 pm-6:16 pm

Nonstop2h 56m

Phoenix Sky Harbor Intl

Sun 1/3

7:00 am-10:32 am

Nonstop2h 32m

$477

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Sat 11/21

6:35 pm-8:37 pm

Nonstop3h 02m

Phoenix Sky Harbor Intl

Sat 11/28

7:09 am-10:48 am

Nonstop2h 39m

$514

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 9/16

9:00 am-7:07 pm

2 stops12h 07m

Phoenix Sky Harbor Intl

Sat 9/19

12:13 pm-10:30 pm

2 stops8h 17m

$517

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Sat 8/1

4:18 pm-11:33 pm

2 stops9h 15m

Phoenix Sky Harbor Intl

Tue 9/1

7:49 pm-3:31 pm

2 stops17h 42m

$517

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 7/28

10:39 am-6:11 pm

2 stops9h 32m

Phoenix Sky Harbor Intl

Tue 8/4

7:11 am-6:59 pm

2 stops9h 48m

$517

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 8/4

2:04 pm-11:33 pm

2 stops11h 29m

Phoenix Sky Harbor Intl

Tue 8/11

7:11 am-11:58 pm

2 stops14h 47m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

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

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

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $43). Flying from Houston George Bush Intcntl Airport to Phoenix in July is currently the most expensive (average of $108). 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 July 7, 2026.

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 33% on your trip compared to booking a flight in the afternoon.

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 July 7, 2026.

The most flights from IAH to PH1 are scheduled on a Friday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Phoenix?

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

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 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 4, 2026.

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

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 July 7, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier 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
9,945 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

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
9,945 reviews
United Airlines
7.4
Good
9,945 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

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
7.1
Good
11,783 reviews
United Airlines
7.4
Good
9,945 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

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
5.6
Fair
2,840 reviews
United Airlines
7.4
Good
9,945 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Crew

8.1

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 and Delta can get you from Houston George Bush Intcntl Airport to Phoenix in just under 2h 49m. Your travel time can differ by up to 5h 03m. 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 ($64), United Airlines ($141), and American Airlines ($148) offers the cheapest pricing from Houston George Bush Intcntl Airport to Phoenix. Frontier is priced at 75% 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 $44. Users have also found prices from $79 and $97 on American Airlines and United Airlines, respectively.

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

    Consider Envoy Air (92%), United Airlines (80%) or Qatar Airways (75%) 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 $262 for a flight from Houston George Bush Intcntl Airport to Phoenix. The cheapest flight overall is $104 while the most popular route, (Houston George Bush Intcntl - Phoenix Sky Harbor Intl) is currently priced at $168.

  • 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $43). Flying from Houston George Bush Intcntl Airport to Phoenix in July is currently the most expensive (average of $108). 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$191FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$141Average$350FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$302FlexibilityNo cancel feeOn-time71%

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