HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$85+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
Aug 3 — Aug 101
Mon 8/3
Mon 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
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 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 July 4, 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.
Mon 8/39:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Wed 8/52:54 pm
IAH
-
PHX
1 stop7h 59m
Frontier
Deal found 7/2$188
This Frontier deal was found by Cheapflights users on 7/1. 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.
Tue 8/412:20 am
PHX
-
IAH
1 stop8h 50m
Frontier
Fri 8/1412:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Deal found 7/1$189
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/109:58 pm
PHX
-
IAH
1 stop12h 29m
Frontier
Thu 8/1312:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Deal found 7/1$190
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/294:48 pm
PHX
-
IAH
1 stop5h 52m
Frontier
Tue 8/41:17 pm
IAH
-
PHX
1 stop11h 48m
Frontier
Deal found 6/29$195
This Super.com deal was found by Cheapflights users on 7/1. 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.
Tue 7/2112:20 am
PHX
-
IAH
1 stop8h 36m
Frontier
Sat 7/2511:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Deal found 7/1$197
This Super.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/2112:20 am
PHX
-
IAH
1 stop8h 36m
Frontier
Thu 7/2311:51 am
IAH
-
PHX
Nonstop2h 43m
Frontier
Deal found 6/30$198
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/219:58 pm
PHX
-
IAH
1 stop12h 24m
Frontier
Sat 7/251:17 pm
IAH
-
PHX
1 stop11h 48m
Frontier
Deal found 6/30$199
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Thu 8/612:05 pm
IAH
-
PHX
Nonstop2h 44m
Frontier
Deal found 7/3$200
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/159:04 am
PHX
-
IAH
Nonstop2h 55m
Frontier
Mon 8/178:43 pm
IAH
-
PHX
1 stop18h 16m
Frontier
Deal found 7/1$202
This Frontier deal was found by Cheapflights users on 7/1. 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 11/125:54 pm
PHX
-
IAH
Nonstop2h 41m
Frontier
Thu 11/1910:30 pm
IAH
-
PHX
Nonstop2h 59m
Frontier
Deal found 7/1$203
This Frontier deal was found by Cheapflights users on 7/1. 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.
Mon 8/1012:20 am
PHX
-
IAH
1 stop8h 50m
Frontier
Tue 8/112:54 pm
IAH
-
PHX
1 stop7h 59m
Frontier
Deal found 7/1$205

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 July 4, 2026.

Round-trip from

$188
(Super.com)

One-way from

$85
(Frontier)

Popular in

March

Cheapest in

September

Average price

$297
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. 12% potential increase in price ($38 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 July 2026
Search Deals

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 July 4, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 7/29

4:12 pm-8:55 pm

Nonstop2h 43m

Houston George Bush Intcntl

Wed 8/5

6:30 am-12:25 pm

1 stop7h 55m

$357

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 7/17

6:10 am-10:52 am

Nonstop2h 42m

Houston George Bush Intcntl

Tue 7/21

7:53 pm-8:42 pm

Nonstop2h 49m

$378
Quickest round-trip

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 7/8

8:30 am-1:06 pm

Nonstop2h 36m

Houston George Bush Intcntl

Tue 7/14

2:20 pm-3:10 pm

Nonstop2h 50m

$397

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 7/17

7:11 am-6:08 pm

2 stops8h 57m

Houston George Bush Intcntl

Tue 7/21

6:30 am-10:11 am

1 stop5h 41m

$474

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 7/15

6:10 am-10:52 am

Nonstop2h 42m

Houston George Bush Intcntl

Wed 7/15

7:53 pm-8:42 pm

Nonstop2h 49m

$487

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 8/15

11:06 pm-11:01 am

1 stop9h 55m

Houston George Bush Intcntl

Mon 8/17

11:53 am-9:46 pm

1 stop11h 53m

$508

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 8/15

7:11 am-6:44 pm

2 stops9h 33m

Houston George Bush Intcntl

Sat 8/22

11:28 am-7:07 pm

2 stops9h 39m

$517

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 8/28

7:49 pm-3:31 pm

2 stops17h 42m

Houston George Bush Intcntl

Sat 9/5

11:28 am-7:07 pm

2 stops9h 39m

$568

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 8/15

7:11 am-6:44 pm

2 stops9h 33m

Houston George Bush Intcntl

Mon 8/17

4:21 pm-10:39 pm

2 stops8h 18m

$568

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 9/9

7:49 pm-3:25 pm

2 stops17h 36m

Houston George Bush Intcntl

Sun 9/13

9:00 am-7:07 pm

2 stops12h 07m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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

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

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

Currently, May is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $49). Flying from Phoenix to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $138). 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 July 4, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 43% on flights from Phoenix to Houston George Bush Intcntl Airport by exploring options for tickets in the afternoon.

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 July 4, 2026.

The most flights from PH1 to IAH are scheduled on a Friday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

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

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

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 75 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 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 July 4, 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 4, 2026.
Read through reviews of airlines operating flights from Phoenix to Houston George Bush Intcntl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,931 reviews

Comfort

7.3

Food

6.7

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,931 reviews
United Airlines
7.4
Good
9,931 reviews

Comfort

7.3

Food

6.7

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,774 reviews
United Airlines
7.4
Good
9,931 reviews

Comfort

7.3

Food

6.7

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Frontier
5.6
Fair
2,846 reviews
United Airlines
7.4
Good
9,931 reviews

Comfort

7.3

Food

6.7

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 43m. 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 ($82), American Airlines ($157), and United Airlines ($159) offers the cheapest pricing from Phoenix to Houston George Bush Intcntl Airport. Users have found that Frontier is 68% 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 $49 on Frontier. Other airlines that offer cheap prices include United Airlines from $66 and American Airlines from $69 one-way.

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

    Consider Emirates (88%), SkyWest Airlines (86%) or Lufthansa (86%) 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 $1,280, our data indicates the cheapest price to be $95. The most popular route (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), is priced around $163.

  • 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, May is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $49). Flying from Phoenix to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $138). 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
Katy
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$199FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$333FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights