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.

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).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

American Airlines, Frontier and United Airlines are the most popular airlines when flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 54% when planning your travel around this day of the week.

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.

$69+ Flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

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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 85 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

Round-trip from	$154 (American Airlines)
One-way from	$69 (American Airlines)
Popular in	December
Cheapest in	September
Average price	$235
Good round-trip deal	$257 or less
Good one-way deal	$158 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 ($24 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 July 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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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 July 28, 2025.

Wed 8/206:50 pmPHX - IAH

Nonstop2h 42mAmerican Airlines

Wed 9/38:33 amIAH - PHX

Nonstop2h 57mAmerican Airlines

Deal found 7/28

$154

Thu 10/210:59 pmPHX - IAH

1 stop8h 08mMultiple Airlines

Sat 10/117:30 pmIAH - PHX

Nonstop2h 52mMultiple Airlines

Deal found 7/27

$156

Fri 8/17:25 amPHX - IAH

Nonstop2h 52mFrontier

Mon 8/41:07 pmIAH - PHX

Nonstop2h 42mFrontier

Deal found 7/25

$158

Thu 9/410:59 pmPHX - IAH

1 stop8h 08mSpirit Airlines

Mon 9/82:54 pmIAH - PHX

1 stop9h 10mSpirit Airlines

Deal found 7/27

$174

Best flights from Sky Harbor Intl to George Bush Intcntl
Discover carefully curated flight deals from Sky Harbor Intl to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Wed 8/206:50 pmPHX - IAH

Nonstop2h 42mAmerican Airlines

Wed 9/38:33 amIAH - PHX

Nonstop2h 57mAmerican Airlines

Deal found 7/28

$154

Thu 10/210:59 pmPHX - IAH

1 stop8h 08mMultiple Airlines

Sat 10/117:30 pmIAH - PHX

Nonstop2h 52mMultiple Airlines

Deal found 7/27

$156

Fri 8/17:25 amPHX - IAH

Nonstop2h 52mFrontier

Mon 8/41:07 pmIAH - PHX

Nonstop2h 42mFrontier

Deal found 7/25

$158

Thu 9/410:59 pmPHX - IAH

1 stop8h 08mSpirit Airlines

Mon 9/82:54 pmIAH - PHX

1 stop9h 10mSpirit Airlines

Deal found 7/27

$174

Last-minute flights from Sky Harbor Intl to George Bush Intcntl
Discover last-minute flight deals from Sky Harbor Intl to George Bush Intcntl. Data last updated July 28, 2025 and is based on user searches.

Fri 8/17:25 amPHX - IAH

Nonstop2h 52mFrontier

Mon 8/41:07 pmIAH - PHX

Nonstop2h 42mFrontier

Deal found 7/25

$158

Sat 8/22:52 pmPHX - IAH

1 stop6h 59mDelta

Tue 8/57:00 amIAH - PHX

1 stop6h 30mDelta

Deal found 7/27

$339

Sun 8/311:49 pmPHX - IAH

3 stops31h 03mSpirit Airlines

Fri 8/88:48 pmIAH - PHX

2 stops27h 31mSpirit Airlines

Deal found 7/27

$336

Tue 8/511:49 pmPHX - IAH

1 stop8h 56mMultiple Airlines

Thu 8/71:07 pmIAH - PHX

Nonstop2h 42mMultiple Airlines

Deal found 7/27

$209

Wed 8/66:50 pmPHX - IAH

Nonstop2h 42mAmerican Airlines

Sun 8/108:40 amIAH - PHX

Nonstop2h 43mAmerican Airlines

Deal found 7/27

$318

Thu 8/77:25 amPHX - IAH

Nonstop2h 52mFrontier

Sun 8/101:07 pmIAH - PHX

Nonstop2h 42mFrontier

Deal found 7/26

$163

Wed 8/206:50 pmPHX - IAH

Nonstop2h 42mAmerican Airlines

Wed 9/38:33 amIAH - PHX

Nonstop2h 57mAmerican Airlines

Deal found 7/28

$154

Fri 8/2210:42 pmPHX - IAH

1 stop9h 38mMultiple Airlines

Sun 8/2410:54 pmIAH - PHX

Nonstop2h 43mMultiple Airlines

Deal found 7/27

$169

Fri 8/226:40 amPHX - IAH

1 stop5h 41mDelta

Sat 9/611:31 amIAH - PHX

1 stop6h 44mDelta

Deal found 7/28

$217

One-way flights from Sky Harbor Intl to George Bush Intcntl
Search for one-way flight options from Sky Harbor Intl to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Wed 12/31:15 pmPHX - IAH

Nonstop2h 35mAmerican Airlines

Deal found 7/28

$69

Wed 11/51:25 pmPHX - IAH

Nonstop2h 38mUnited Airlines

Deal found 7/28

$70

Fri 11/75:13 pmPHX - IAH

Nonstop2h 45mFrontier

Deal found 7/26

$71

Mon 9/810:59 pmPHX - IAH

1 stop8h 08mSpirit Airlines

Deal found 7/27

$77

Sat 8/2310:19 amPHX - IAH

1 stop7h 41mDelta

Deal found 7/28

$109

Cheapflights Fare Finder

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

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 8/20

6:50 pm-11:32 pm

Nonstop2h 42m

Houston George Bush Intcntl

Wed 9/3

8:33 am-9:30 am

Nonstop2h 57m

$154

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 10/2

10:59 pm-9:07 am

1 stop8h 08m

Houston George Bush Intcntl

Sat 10/11

7:30 pm-8:22 pm

Nonstop2h 52m

$156

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 8/28

4:20 pm-9:12 pm

Nonstop2h 52m

Houston George Bush Intcntl

Sun 8/31

10:54 pm-11:37 pm

Nonstop2h 43m

$159

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 9/4

10:59 pm-9:07 am

1 stop8h 08m

Houston George Bush Intcntl

Mon 9/8

2:54 pm-10:04 pm

1 stop9h 10m

$174

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 12/3

1:15 pm-4:50 pm

Nonstop2h 35m

$69

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 11/5

1:25 pm-5:03 pm

Nonstop2h 38m

$70

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 11/7

5:13 pm-8:58 pm

Nonstop2h 45m

$71

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 9/8

10:59 pm-9:07 am

1 stop8h 08m

$77

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 8/23

10:19 am-8:00 pm

1 stop7h 41m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

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.

IAH

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

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

Brandon Schultz

Expert on PHX

Evie Carrick

Expert on IAH

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 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 50% 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?

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

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 (14 on average).

Reviews of airlines servicing George Bush Intcntl

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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.

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,971 reviews

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,893 reviews

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,034 reviews

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,238 reviews

Delta

8.0

Very good

7,971 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport round-trip?
Flying on American Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $154. Additional round-trip tickets that might be worth considering are offered by Frontier and Spirit Airlines, with the lowest prices starting at $158 and $174, respectively. American Airlines is priced at 32% 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 American Airlines, which is currently one of the cheapest options available, starting at $69. United Airlines flights start at $70 while deals on Frontier start at $71 one-way.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?
Consider Qatar Airways (91%), Envoy Air (81%) or United Airlines (75%) 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 $1,485, our data shows the cheapest flight currently is $70. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston George Bush Intcntl), you can expect to pay $123 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

Montgomery

Humble

Spring

Conroe

The Woodlands

Tomball

Katy

Jersey Village

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$71	Average$185	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$147	Average$295	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$159	Average$286	FlexibilityNo cancel fee	On-time71%

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$69+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to George Bush Intcntl with Cheapflights

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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 85 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

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Find flight deals from Sky Harbor Intl to George Bush Intcntl

Cheapest flights from Sky Harbor Intl to George Bush IntcntlExplore 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 July 28, 2025.

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 July 28, 2025.

Cheapflights Fare Finder

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.

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

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

United Airlines

Airports

PHX

IAH

Our travel experts

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.

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 July 25, 2025.

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

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 July 28, 2025.

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 July 27, 2025.

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

Reviews of airlines servicing George Bush Intcntl

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?

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

What are the most reliable airlines 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?

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

How can I 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?

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

Traveling to a place near Houston George Bush Intcntl Airport?

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Alternative routes for Sky Harbor Intl to George Bush Intcntl

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

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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 July 28, 2025.