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George Bush Intcntl

$79+ Cheap flights from Phoenix to George Bush Intcntl (IAH)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Find cheap flights from Phoenix to George Bush Intcntl with Cheapflights

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Cheapflights Tip: The best prices from Phoenix to Houston George Bush Intcntl are usually found in September or March, booked 88 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Phoenix to George Bush Intcntl

Cheapest flights from Phoenix to George Bush Intcntl
Explore the most affordable flight options available from Phoenix to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:15 am
PHX
-
IAH
Nonstop2h 39m
Frontier
Sat 5/21:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Deal found 2/10$86
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.
Thu 4/165:15 am
PHX
-
IAH
Nonstop2h 39m
Frontier
Mon 4/2010:49 am
IAH
-
PHX
Nonstop3h 10m
Frontier
Deal found 2/11$87
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:15 am
PHX
-
IAH
Nonstop2h 39m
Frontier
Mon 4/2010:49 am
IAH
-
PHX
Nonstop3h 10m
Frontier
Deal found 2/10$88
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.
Sat 4/188:06 am
PHX
-
IAH
Nonstop2h 47m
Frontier
Sat 4/259:33 am
IAH
-
PHX
1 stop13h 43m
Frontier
Deal found 2/10$92
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.
Fri 5/15:15 am
PHX
-
IAH
Nonstop2h 39m
Frontier
Sat 5/21:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Deal found 2/11$96
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.
Wed 5/66:50 am
PHX
-
IAH
1 stop6h 17m
Frontier
Sun 5/1010:49 am
IAH
-
PHX
Nonstop3h 10m
Frontier
Deal found 2/11$99
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/296:50 am
PHX
-
IAH
1 stop6h 17m
Frontier
Sat 5/21:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Deal found 2/12$102
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.
Tue 4/216:50 am
PHX
-
IAH
1 stop6h 17m
Frontier
Tue 4/284:02 pm
IAH
-
PHX
1 stop9h 45m
Frontier
Deal found 2/10$104
This Frontier deal was found by Cheapflights users on 2/12. 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 3/75:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Sat 3/2810:27 am
IAH
-
PHX
Nonstop3h 15m
Frontier
Deal found 2/12$108
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 4/1812:54 pm
PHX
-
IAH
1 stop9h 54m
Frontier
Sun 4/2610:49 am
IAH
-
PHX
Nonstop3h 10m
Frontier
Deal found 2/11$112

Find flight deals from Phoenix to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to George Bush Intcntl (IAH). 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 13, 2026.

Round-trip from

$86
(Super.com)

One-way from

$79
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$250
From Phoenix to Houston George Bush Intcntl
Search Deals
One-way flight from Phoenix to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($25 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 February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to George Bush Intcntl 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 13, 2026.
Use the filters below to find and compare flights from Phoenix to Houston George Bush Intcntl Airport that are best for you.

Fly from

Phoenix

Fly to

George Bush Intcntl

Route

Depart

Return

Price

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 4/30

5:15 am-9:54 am

Nonstop2h 39m

Houston George Bush Intcntl

Sat 5/2

1:48 pm-2:52 pm

Nonstop3h 04m

$86

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 4/30

5:15 am-9:54 am

Nonstop2h 39m

Houston George Bush Intcntl

Sun 5/3

10:49 am-11:59 am

Nonstop3h 10m

$88

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 5/8

5:15 am-9:54 am

Nonstop2h 39m

Houston George Bush Intcntl

Sun 5/10

10:49 am-11:59 am

Nonstop3h 10m

$88

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 5/8

5:15 am-9:54 am

Nonstop2h 39m

Houston George Bush Intcntl

Mon 5/11

10:49 am-11:59 am

Nonstop3h 10m

$88

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 4/29

6:50 am-3:07 pm

1 stop6h 17m

Houston George Bush Intcntl

Sat 5/2

12:37 pm-5:43 pm

1 stop7h 06m

$117

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 5/6

6:50 am-3:07 pm

1 stop6h 17m

Houston George Bush Intcntl

Sun 5/10

6:45 am-5:43 pm

1 stop12h 58m

$138

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 4/3

5:15 am-9:54 am

Nonstop2h 39m

Houston George Bush Intcntl

Mon 4/6

10:39 am-11:49 am

Nonstop3h 10m

$151

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 4/18

3:50 pm-8:27 pm

Nonstop2h 37m

Houston George Bush Intcntl

Sat 4/25

5:05 pm-6:06 pm

Nonstop3h 01m

$157

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 4/25

3:50 pm-8:27 pm

Nonstop2h 37m

$79

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 4/21

8:02 pm-3:07 pm

2 stops17h 05m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Phoenix to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Phoenix 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 Phoenix to Houston George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to George Bush Intcntl. Price data was last updated on February 6, 2026.

The price you pay for your flight from Phoenix to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 88 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 Phoenix to Houston George Bush Intcntl Airport?

Currently, March is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $66). Flying from Phoenix to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $156). 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 PHX to IAH?

Find hourly flight availability from Phoenix to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 51% on flights from Phoenix to Houston George Bush Intcntl Airport by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Phoenix to George Bush Intcntl. Price data was last updated on February 7, 2026.

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

Weekly flight availability from Phoenix to Houston George Bush Intcntl Airport

Explore weekly flight availability from Phoenix to George Bush Intcntl. 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 13, 2026.

The most flights from PH1 to IAH are scheduled on a Thursday (24 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated February 13, 2026.
Read through reviews of airlines operating flights from Phoenix to Houston George Bush Intcntl Airport, such as United Airlines, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,283 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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
11,277 reviews
United Airlines
7.4
Good
9,283 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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
3,053 reviews
United Airlines
7.4
Good
9,283 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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 Phoenix to George Bush Intcntl. 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 Phoenix to Houston George Bush Intcntl Airport?

    Departing from Phoenix to Houston George Bush Intcntl Airport will take you 2h 39m. Airlines will cover a distance of 1006 mi. All flights are typically nonstop.

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

    According to our current data, Frontier ($74), United Airlines ($155), and American Airlines ($157) offers the cheapest pricing from Phoenix to Houston George Bush Intcntl Airport. Users have found that Frontier is 67% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $48 on Frontier. Other airlines that offer cheap prices include American Airlines from $65 and United Airlines from $65 one-way.

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

    Consider Qatar Airways (95%), Air New Zealand (93%) or Lufthansa (93%) when booking your flight. These represent the most reliable airlines when flying from Phoenix to Houston George Bush Intcntl Airport.

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

    Looking for the cheapest flight from Phoenix to Houston George Bush Intcntl Airport? While on average our users pay $1,125, our data indicates the cheapest price to be $83. The most popular route (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), is priced around $88.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix to George Bush Intcntl 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 Phoenix to Houston George Bush Intcntl Airport?

    Currently, March is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $66). Flying from Phoenix to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $156). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
The Woodlands
Spring
Katy
Tomball
Humble
Conroe
Jersey Village
Cypress

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Top 3 airlines flying from Phoenix to George Bush Intcntl

Discover the top 3 airlines that operate flights from Phoenix to George Bush Intcntl. 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 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$182FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$155Average$300FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$264FlexibilityNo cancel feeOn-time71%

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