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George Bush Intcntl

$88+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 July or September, booked 85 days in advance, depart on a Friday or Thursday and return on a Wednesday

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 June 16, 2025.

Round-trip from

$176
(KAYAK)

One-way from

$88
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$223

Good round-trip deal

$286 or less

Good one-way deal

$148 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. 12% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This KAYAK deal was found by Cheapflights users on 6/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/137:25 amPHX - IAH
Nonstop2h 52mFrontier
Sun 7/201:07 pmIAH - PHX
Nonstop2h 42mFrontier
Deal found 6/13$176
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:50 pmPHX - IAH
Nonstop2h 42mAmerican Airlines
Sun 8/102:45 pmIAH - PHX
Nonstop2h 48mAmerican Airlines
Deal found 6/15$178
This United Airlines deal was found by Cheapflights users on 6/16. 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 10/84:35 pmPHX - IAH
1 stop5h 24mUnited Airlines
Sat 10/117:35 amIAH - PHX
Nonstop2h 48mUnited Airlines
Deal found 6/16$187
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:25 amPHX - IAH
Nonstop2h 57mMultiple Airlines
Mon 7/78:32 amIAH - PHX
1 stop5h 17mMultiple Airlines
Deal found 6/14$191
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:54 pmPHX - IAH
1 stop8h 24mSpirit Airlines
Mon 7/78:32 amIAH - PHX
1 stop5h 17mSpirit Airlines
Deal found 6/15$209
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:40 amPHX - IAH
1 stop6h 11mDelta
Mon 9/17:40 amIAH - PHX
1 stop6h 33mDelta
Deal found 6/14$217

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 June 16, 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

Sun 7/13

7:25 am-12:17 pm

Nonstop2h 52m

Houston George Bush Intcntl

Sun 7/20

1:07 pm-1:49 pm

Nonstop2h 42m

$176

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 8/6

6:50 pm-11:32 pm

Nonstop2h 42m

Houston George Bush Intcntl

Sun 8/10

2:45 pm-3:33 pm

Nonstop2h 48m

$178

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 8/4

6:16 pm-10:59 pm

Nonstop2h 43m

Houston George Bush Intcntl

Wed 8/13

5:00 am-8:49 am

1 stop5h 49m

$187

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 6/30

7:25 am-12:22 pm

Nonstop2h 57m

Houston George Bush Intcntl

Mon 7/7

8:32 am-11:49 am

1 stop5h 17m

$191

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 7/3

12:54 pm-11:18 pm

1 stop8h 24m

Houston George Bush Intcntl

Mon 7/7

8:32 am-11:49 am

1 stop5h 17m

$209

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 8/30

6:40 am-2:51 pm

1 stop6h 11m

Houston George Bush Intcntl

Mon 9/1

7:40 am-12:13 pm

1 stop6h 33m

$217

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 9/12

4:12 pm-8:50 pm

Nonstop2h 38m

$88

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 6/27

7:25 am-12:22 pm

Nonstop2h 57m

$98

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 7/29

11:49 pm-10:45 am

1 stop8h 56m

$102

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 7/29

3:17 pm-7:55 pm

Nonstop2h 38m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 13 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 June 13, 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 85 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 June 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 54% 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 June 8, 2025.

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

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Explore weekly flight availability from Sky Harbor Intl 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 June 16, 2025.

The most flights from PHX to IAH are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 June 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Phoenix to Houston by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,060 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $176. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $178 and $187, respectively. Frontier is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $88. Frontier flights start at $98 while deals on Spirit Airlines start at $102 one-way.

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

    Consider Qatar Airways (94%), SkyWest Airlines (88%) or American Airlines (86%) 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 $1,086, our data shows the cheapest flight currently is $87. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), you can expect to pay $134 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Montgomery
Humble
Conroe
Spring
The Woodlands
Tomball
Katy
Jersey Village

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$170FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$146Average$295FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$156Average$281FlexibilityNo cancel feeOn-time71%

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