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George Bush Intcntl

$67+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Houston George Bush Intcntl are usually found in September or October, booked 81 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 September 11, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$67
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$175
From Phoenix to Houston George Bush Intcntl
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One-way flight from Phoenix to Houston George Bush Intcntl
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Highest demand for flights based on searches. 9% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 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 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 September 11, 2025.

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 10/175:29 pmPHX - IAH
Nonstop2h 45mFrontier
Mon 10/2010:59 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/9$106
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.
Thu 11/64:41 pmPHX - IAH
Nonstop2h 45mFrontier
Thu 11/139:11 pmIAH - PHX
Nonstop2h 52mFrontier
Deal found 9/10$112
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.
Fri 11/74:41 pmPHX - IAH
Nonstop2h 45mFrontier
Thu 11/139:11 pmIAH - PHX
Nonstop2h 52mFrontier
Deal found 9/10$118
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.
Sat 11/81:03 pmPHX - IAH
Nonstop2h 38mFrontier
Fri 11/149:11 pmIAH - PHX
Nonstop2h 52mFrontier
Deal found 9/10$120
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.
Mon 9/297:25 amPHX - IAH
Nonstop2h 42mFrontier
Fri 10/312:52 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/9$124
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 10/26:30 amPHX - IAH
Nonstop2h 39mFrontier
Sat 10/43:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 9/10$130
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:02 pmPHX - IAH
1 stop9h 34mFrontier
Sat 10/256:43 pmIAH - PHX
Nonstop2h 58mFrontier
Deal found 9/10$131
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:45 amPHX - IAH
1 stop7h 54mFrontier
Mon 10/1310:59 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/10$132
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:15 pmPHX - IAH
Nonstop2h 35mUnited Airlines
Sat 10/114:55 pmIAH - PHX
Nonstop2h 49mUnited Airlines
Deal found 9/10$133
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:30 amPHX - IAH
Nonstop2h 39mFrontier
Mon 10/612:52 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/11$134

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 September 11, 2025.
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 9/18

6:00 am-4:07 pm

1 stop8h 07m

Houston George Bush Intcntl

Sun 9/28

6:15 am-9:34 am

1 stop5h 19m

$143

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 10/14

9:00 am-1:39 pm

Nonstop2h 39m

Houston George Bush Intcntl

Fri 10/17

7:35 am-8:23 am

Nonstop2h 48m

$149

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 9/19

12:37 pm-9:53 pm

1 stop7h 16m

Houston George Bush Intcntl

Sun 9/28

6:15 am-9:34 am

1 stop5h 19m

$152

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 10/8

6:00 am-10:39 am

Nonstop2h 39m

Houston George Bush Intcntl

Wed 10/15

7:35 am-8:23 am

Nonstop2h 48m

$153

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 11/6

4:41 pm-8:26 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sun 11/9

12:01 pm-1:57 pm

Nonstop2h 56m

$173

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 11/5

11:34 am-3:12 pm

Nonstop2h 38m

Houston George Bush Intcntl

Wed 11/12

8:15 pm-10:15 pm

Nonstop3h 00m

$213

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 11/3

12:59 am-11:49 am

1 stop9h 50m

Houston George Bush Intcntl

Fri 11/14

7:15 pm-12:36 am

1 stop6h 21m

$217

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 10/14

6:00 am-10:39 am

Nonstop2h 39m

$67

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 10/21

6:50 pm-11:21 pm

Nonstop2h 31m

$67

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 10/22

9:00 am-1:39 pm

Nonstop2h 39m

$67

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 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 August 29, 2025.

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 81 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, August is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $241). Flying from Phoenix to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 September 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 52% 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 November 10, 2024.

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. Tuesday 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 September 11, 2025.

The most flights from PH1 to IAH are scheduled on a Thursday (18 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 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 September 11, 2025.
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
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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 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. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($77), American Airlines ($157), and United Airlines ($158) offers the cheapest pricing from Phoenix to Houston George Bush Intcntl Airport. Users have found that Frontier is 66% cheaper than the other options available to this destination.

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

    Consider Qatar Airways (93%), Frontier (90%) or Envoy Air (82%) 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 $831, our data indicates the cheapest price to be $79. The most popular route (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), is priced around $133.

  • 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, August is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $241). Flying from Phoenix to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$283FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$301FlexibilityNo cancel feeOn-time69%

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