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George Bush Intcntl

$67+ Cheap flights from Sky Harbor Intl (PHX) 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 Sky Harbor Intl 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 Sky Harbor Intl to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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

Good round-trip deal

$229 or less

Good one-way deal

$156 or less
From Phoenix Sky Harbor Intl to Houston George Bush Intcntl
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One-way flight from Phoenix Sky Harbor Intl 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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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl.
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Find flight deals from Sky Harbor Intl to George Bush Intcntl

Cheapest flights from Sky Harbor Intl to George Bush Intcntl
Explore the most affordable flight options available from Sky Harbor Intl 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 Sky Harbor Intl 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Sky Harbor Intl

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
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The best insider tips for Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport trip
Airlines
Frontier

Frontier's UpFront Plus guarantees an empty middle seat for added comfort.


Frontier's Zone 1 boarding available with carry-on purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom and priority boarding for MileagePlus Premier members.


United's Basic Economy restricts carry-ons; only personal items allowed unless exceptions apply.

Read more about United Airlinesby Harriet Baskas
Airports
PHX

PHX offers short security lines, typically under 10 minutes, with live wait times online for Terminal 4 checkpoints.

Read more about PHXby Brandon Schultz
IAH

For a quick ride to downtown Houston, Uber or Lyft pickups are available at Terminals A, B, and C.

Read more about IAHby Evie Carrick
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more

Best time to book a flight from Sky Harbor Intl to George Bush Intcntl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to George Bush Intcntl. Price data was last updated on August 29, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to George Bush Intcntl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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.

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.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Frontier from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport 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
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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 Sky Harbor Intl 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

    A quick flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport can take about 2h 39m. Frontier provides one of the quickest options available for as low as $149. The distance between Phoenix Sky Harbor Intl Airport and Houston George Bush Intcntl Airport is about 1006 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $77. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $157 and $158, respectively. Frontier is priced at 66% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport.

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

    While on average a flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport is generally $831, our data shows the cheapest flight currently is $79. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), you can expect to pay $133 for that flight.

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

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

  • How can I find direct flights from Sky Harbor Intl 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 Sky Harbor Intl to George Bush Intcntl.

  • Can I find deals for business class flights from Sky Harbor Intl to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Phoenix Sky Harbor Intl Airport 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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Alternative routes for Sky Harbor Intl to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Hobby flights

Top 3 airlines flying from Sky Harbor Intl to George Bush Intcntl

Discover the top 3 airlines that operate flights from Sky Harbor Intl 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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