HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl 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 Sky Harbor Intl to Houston George Bush Intcntl are usually found in September or October, booked 82 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 April 23, 2026.

This Frontier deal was found by Cheapflights users on 4/19. 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 4/258:06 am
PHX
-
IAH
Nonstop2h 47m
Frontier
Sat 5/21:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Deal found 4/19$115
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sun 5/109:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Wed 5/1312:06 pm
IAH
-
PHX
Nonstop3h 03m
Frontier
Deal found 4/20$118
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Sun 5/179:05 pm
IAH
-
PHX
1 stop13h 42m
Frontier
Deal found 4/21$119
This Super.com deal was found by Cheapflights users on 4/19. 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 4/239:00 am
PHX
-
IAH
Nonstop2h 56m
Frontier
Sat 4/251:48 pm
IAH
-
PHX
Nonstop3h 04m
Frontier
Deal found 4/19$120
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/79:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Tue 5/1212:06 pm
IAH
-
PHX
Nonstop3h 03m
Frontier
Deal found 4/21$121
This eDestinos deal was found by Cheapflights users on 4/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:06 am
PHX
-
IAH
Nonstop2h 47m
Frontier
Mon 5/412:42 pm
IAH
-
PHX
1 stop9h 59m
Frontier
Deal found 4/20$122
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/2011:00 am
PHX
-
IAH
1 stop11h 44m
Frontier
Wed 5/276:30 am
IAH
-
PHX
1 stop18h 59m
Frontier
Deal found 4/20$125
This Frontier deal was found by Cheapflights users on 4/20. 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 5/99:15 am
PHX
-
IAH
Nonstop2h 41m
Frontier
Tue 5/126:30 am
IAH
-
PHX
1 stop5h 35m
Frontier
Deal found 4/20$126
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 6/311:00 am
PHX
-
IAH
1 stop11h 44m
Frontier
Tue 6/911:54 am
IAH
-
PHX
Nonstop2h 48m
Frontier
Deal found 4/20$128

Find 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$118
(Frontier)

One-way from

$88
(Super.com)

Popular in

March

Cheapest in

September

Average price

$277

Good round-trip deal

$275 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Houston George Bush Intcntl flights.
Search Deals
From Phoenix Sky Harbor Intl to Houston George Bush Intcntl
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl.
Search Deals

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 April 23, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 6/3

6:05 am-5:50 pm

1 stop9h 45m

Houston George Bush Intcntl

Tue 6/9

4:20 pm-9:23 pm

1 stop7h 03m

$203
Quickest round-trip

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 5/18

4:00 pm-8:37 pm

Nonstop2h 37m

Houston George Bush Intcntl

Mon 5/25

4:50 pm-5:40 pm

Nonstop2h 50m

$304

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 5/22

1:23 pm-10:17 pm

1 stop6h 54m

Houston George Bush Intcntl

Mon 5/25

7:45 am-12:09 pm

1 stop6h 24m

$371

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 7/9

7:11 am-7:11 pm

2 stops10h 00m

Houston George Bush Intcntl

Mon 7/13

11:24 am-6:11 pm

2 stops8h 47m

$472

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sun 4/26

11:58 pm-8:42 am

1 stop6h 44m

Houston George Bush Intcntl

Thu 4/30

4:59 pm-10:44 pm

1 stop7h 45m

$490

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 5/29

7:20 am-11:52 pm

2 stops14h 32m

Houston George Bush Intcntl

Mon 6/1

2:04 pm-11:56 pm

2 stops11h 52m

$500

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 6/4

7:20 am-10:28 pm

2 stops13h 08m

Houston George Bush Intcntl

Sun 6/7

9:28 am-7:10 pm

2 stops11h 42m

$510

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 5/12

11:20 am-5:16 am

2 stops15h 56m

Houston George Bush Intcntl

Sat 5/16

5:57 pm-1:22 pm

1 stop21h 25m

$537

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 6/19

7:11 am-6:06 pm

2 stops8h 55m

Houston George Bush Intcntl

Sun 6/21

2:04 pm-10:39 pm

2 stops10h 35m

$556

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 5/2

6:37 am-11:48 pm

2 stops15h 11m

Houston George Bush Intcntl

Mon 5/4

4:42 pm-10:31 pm

2 stops7h 49m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Sky Harbor Intl to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to George Bush Intcntl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 80 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, September 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 $174). Flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $324). 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 April 23, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 47% 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 April 18, 2026.

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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

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 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 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 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

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 April 23, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier 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
9,635 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,635 reviews
United Airlines
7.4
Good
9,635 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,659 reviews
United Airlines
7.4
Good
9,635 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Frontier
5.7
Fair
2,981 reviews
United Airlines
7.4
Good
9,635 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 37m. Delta provides one of the quickest options available for as low as $304. 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 $159, respectively. Frontier is priced at 69% 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 Frontier, which is currently one of the cheapest options available, starting at $49. United Airlines flights start at $65 while deals on American Airlines start at $67 one-way.

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

    Consider Emirates (87%), Lufthansa (85%) or Air New Zealand (84%) 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 $781, our data shows the cheapest flight currently is $80. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), you can expect to pay $128 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, September 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 $174). Flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $324). 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
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe

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.

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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$197FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$304FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$316FlexibilityNo 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