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$72+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PHX
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 July, booked 82 days in advance, depart on a Friday or Thursday 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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/1110:47 am
IAH
-
PHX
Nonstop3h 15m
Frontier
Wed 3/185:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/10$107
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/251:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Tue 4/288:02 pm
PHX
-
IAH
2 stops17h 05m
Frontier
Deal found 2/11$112
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 4/2310:49 am
IAH
-
PHX
Nonstop3h 10m
Frontier
Mon 4/279:24 pm
PHX
-
IAH
1 stop15h 43m
Frontier
Deal found 2/10$115
This Super.com deal was found by Cheapflights users on 2/11. 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 3/1410:45 pm
IAH
-
PHX
Nonstop3h 12m
Frontier
Thu 3/195:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/11$117
This Frontier deal was found by Cheapflights users on 2/11. 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 3/1310:33 am
IAH
-
PHX
Nonstop3h 15m
Frontier
Sat 3/215:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/11$118
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:36 pm
IAH
-
PHX
Nonstop3h 08m
Frontier
Sat 2/285:10 pm
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/9$119
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/94:59 pm
IAH
-
PHX
Nonstop3h 06m
Frontier
Tue 4/146:50 am
PHX
-
IAH
1 stop6h 17m
Frontier
Deal found 2/9$123
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
IAH
-
PHX
1 stop6h 45m
Frontier
Fri 4/175:15 am
PHX
-
IAH
Nonstop2h 39m
Frontier
Deal found 2/9$124
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:45 am
IAH
-
PHX
1 stop9h 34m
Frontier
Sat 2/285:10 pm
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/9$125
This Super.com deal was found by Cheapflights users on 2/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1410:45 pm
IAH
-
PHX
Nonstop3h 12m
Frontier
Wed 3/185:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/9$126
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:41 am
IAH
-
PHX
Nonstop3h 15m
Frontier
Sun 3/225:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Deal found 2/9$128

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 February 12, 2026.

Round-trip from

$107
(Kiwi.com)

One-way from

$72
(Trip.com)

Popular in

May

Cheapest in

August

Average price

$248
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. 12% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 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

George Bush Intcntl

Fly to

Phoenix

Route

Depart

Return

Price

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Tue 3/17

8:00 am-8:18 pm

1 stop14h 18m

Phoenix Sky Harbor Intl

Fri 3/20

5:01 am-9:42 am

Nonstop2h 41m

$150

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 2/26

9:14 pm-7:42 am

1 stop11h 28m

Phoenix Sky Harbor Intl

Mon 3/2

6:30 am-7:23 pm

1 stop11h 53m

$164

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 4/10

10:39 am-11:49 am

Nonstop3h 10m

Phoenix Sky Harbor Intl

Sun 4/12

9:24 pm-12:48 am

1 stop25h 24m

$165

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 4/23

10:49 am-11:59 am

Nonstop3h 10m

Phoenix Sky Harbor Intl

Tue 4/28

12:54 pm-12:48 am

1 stop9h 54m

$179

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 4/15

7:45 am-5:43 pm

1 stop11h 58m

Phoenix Sky Harbor Intl

Sat 4/18

12:30 am-4:04 pm

1 stop13h 34m

$180

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 2/26

9:14 pm-7:42 am

1 stop11h 28m

Phoenix Sky Harbor Intl

Tue 3/3

6:00 am-7:14 pm

1 stop12h 14m

$180

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Wed 4/29

9:33 am-4:58 pm

1 stop9h 25m

Phoenix Sky Harbor Intl

Mon 5/4

6:00 am-5:03 pm

1 stop9h 03m

$191

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Thu 4/16

8:35 pm-9:41 pm

Nonstop3h 06m

Phoenix Sky Harbor Intl

Sun 4/19

8:30 am-1:07 pm

Nonstop2h 37m

$197

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Mon 3/9

10:45 pm-11:57 pm

Nonstop3h 12m

Phoenix Sky Harbor Intl

Sat 3/14

12:59 am-7:29 am

1 stop28h 30m

$200

HoustonPhoenix

IAH - PHX

IAHPHX

Houston George Bush Intcntl

Fri 3/20

10:33 am-11:48 am

Nonstop3h 15m

Phoenix Sky Harbor Intl

Sat 3/28

7:30 am-8:37 pm

2 stops11h 07m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 21 results
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2
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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 February 6, 2026.

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 82 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $59). 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 February 12, 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 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 February 7, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Phoenix flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings 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 February 12, 2026.

The most flights from IAH to PH1 are scheduled on a Thursday (23 on average). You will have fewer flight options on Tuesday, 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 February 12, 2026.
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
9,279 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,279 reviews
United Airlines
7.4
Good
9,279 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,271 reviews
United Airlines
7.4
Good
9,279 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,052 reviews
United Airlines
7.4
Good
9,279 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    Frontier can get you from Houston George Bush Intcntl Airport to Phoenix in just under 11h 28m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Phoenix is about 1006 mi.

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

    According to our current data, Frontier ($59), United Airlines ($138), and American Airlines ($148) offers the cheapest pricing from Houston George Bush Intcntl Airport to Phoenix. Frontier is priced at 74% 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 $29. Users have also found prices from $78 and $79 on United Airlines and American Airlines, respectively.

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

    Consider Envoy Air (97%), United Airlines (93%) or Qatar Airways (92%) 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 $570 for a flight from Houston George Bush Intcntl Airport to Phoenix. The cheapest flight overall is $44 while the most popular route, (Houston George Bush Intcntl - Phoenix Sky Harbor Intl) is currently priced at $116.

  • 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Phoenix (average of $59). 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$180FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$138Average$291FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$248FlexibilityNo cancel feeOn-time71%

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