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Cheap flights from Phoenix Sky Harbor Intl Airport to Houston from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Houston departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Houston

Cheap round-trip flights

Frontier Logo
6:04 pm - 9:40 pmPHX-IAH
2h 36mnonstop
Frontier Logo
10:35 pm - 12:35 amIAH-PHX
3h 00mnonstop
$102Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
Frontier Logo
5:29 pm - 10:14 pmPHX-IAH
2h 45mnonstop
Frontier Logo
10:59 pm - 11:54 pmIAH-PHX
2h 55mnonstop
$104Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
4:05 pm - 8:50 pmPHX-IAH
2h 45mnonstop
Frontier Logo
10:59 pm - 11:54 pmIAH-PHX
2h 55mnonstop
$108Frontier
Find Deal
Thu, Oct 9 - Mon, Oct 13
Frontier Logo
4:41 pm - 8:26 pmPHX-IAH
2h 45mnonstop
Frontier Logo
9:11 pm - 11:03 pmIAH-PHX
2h 52mnonstop
$110Frontier
Find Deal
Thu, Nov 6 - Mon, Nov 10
Frontier Logo
4:41 pm - 8:26 pmPHX-IAH
2h 45mnonstop
Frontier Logo
5:48 pm - 7:41 pmIAH-PHX
2h 53mnonstop
$111Frontier
Find Deal
Thu, Nov 6 - Sat, Nov 8
Frontier Logo
1:10 pm - 5:48 pmPHX-IAH
2h 38mnonstop
Frontier Logo
1:06 pm - 6:21 pmIAH-PHX
7h 15m1 stop
$114Frontier
Find Deal
Sat, Oct 25 - Mon, Oct 27
Frontier Logo
1:10 pm - 5:48 pmPHX-IAH
2h 38mnonstop
Frontier Logo
1:06 pm - 12:15 pmIAH-PHX
25h 09m1 stop
$115Frontier
Find Deal
Sat, Oct 25 - Mon, Oct 27
Frontier Logo
5:11 pm - 9:56 pmPHX-IAH
2h 45mnonstop
Frontier Logo
9:11 pm - 11:03 pmIAH-PHX
2h 52mnonstop
$117Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
American Airlines Logo
9:39 am - 2:23 pmPHX-IAH
2h 44mnonstop
American Airlines Logo
8:24 am - 9:27 amIAH-PHX
3h 03mnonstop
$139American Airlines
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Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
6:50 pm - 11:21 pmPHX-IAH
2h 31mnonstop
American Airlines Logo
3:10 pm - 4:05 pmIAH-PHX
2h 55mnonstop
$149American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28

American Airlines flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flight tickets
American Airlines
Oct 21
PHX9:39 amPhoenix Sky Harbor Intl
2h 44m
IAH2:23 pmHouston George Bush Intcntl
Oct 28
IAH8:24 amHouston George Bush Intcntl
3h 03m
PHX9:27 amPhoenix Sky Harbor Intl
$139
Find similar
American Airlines
Oct 21
PHX6:50 pmPhoenix Sky Harbor Intl
2h 31m
IAH11:21 pmHouston George Bush Intcntl
Oct 28
IAH3:10 pmHouston George Bush Intcntl
2h 55m
PHX4:05 pmPhoenix Sky Harbor Intl
$149
Find similar
American Airlines
Oct 25
PHX6:50 pmPhoenix Sky Harbor Intl
2h 31m
IAH11:21 pmHouston George Bush Intcntl
Oct 27
IAH8:24 amHouston George Bush Intcntl
3h 03m
PHX9:27 amPhoenix Sky Harbor Intl
$168
Find similar

Frontier flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flight tickets
Frontier
Dec 12
PHX6:04 pmPhoenix Sky Harbor Intl
2h 36m
IAH9:40 pmHouston George Bush Intcntl
Dec 15
IAH10:35 pmHouston George Bush Intcntl
3h 00m
PHX12:35 amPhoenix Sky Harbor Intl
$102
Find similar
Frontier
Oct 17
PHX5:29 pmPhoenix Sky Harbor Intl
2h 45m
IAH10:14 pmHouston George Bush Intcntl
Oct 20
IAH10:59 pmHouston George Bush Intcntl
2h 55m
PHX11:54 pmPhoenix Sky Harbor Intl
$104
Find similar
Frontier
Oct 9
PHX4:05 pmPhoenix Sky Harbor Intl
2h 45m
IAH8:50 pmHouston George Bush Intcntl
Oct 13
IAH10:59 pmHouston George Bush Intcntl
2h 55m
PHX11:54 pmPhoenix Sky Harbor Intl
$108
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated September 23, 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

Fly to

Route

Depart

Return

Price

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 12/12

6:04 pm-9:40 pm

Nonstop2h 36m

Houston George Bush Intcntl

Mon 12/15

10:35 pm-12:35 am

Nonstop3h 00m

$102

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/17

5:29 pm-10:14 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 10/20

10:59 pm-11:54 pm

Nonstop2h 55m

$104

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 10/9

4:05 pm-8:50 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 10/13

10:59 pm-11:54 pm

Nonstop2h 55m

$108

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 11/6

4:41 pm-8:26 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 11/10

9:11 pm-11:03 pm

Nonstop2h 52m

$110

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 11/6

4:41 pm-8:26 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sat 11/8

5:48 pm-7:41 pm

Nonstop2h 53m

$111

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 10/25

1:10 pm-5:48 pm

Nonstop2h 38m

Houston George Bush Intcntl

Mon 10/27

1:06 pm-6:21 pm

1 stop7h 15m

$114

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 10/25

1:10 pm-5:48 pm

Nonstop2h 38m

Houston George Bush Intcntl

Mon 10/27

1:06 pm-12:15 pm

1 stop25h 09m

$115

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/31

5:11 pm-9:56 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 11/3

9:11 pm-11:03 pm

Nonstop2h 52m

$117

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 10/21

9:39 am-2:23 pm

Nonstop2h 44m

Houston George Bush Intcntl

Tue 10/28

8:24 am-9:27 am

Nonstop3h 03m

$139

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 10/21

6:50 pm-11:21 pm

Nonstop2h 31m

Houston George Bush Intcntl

Tue 10/28

3:10 pm-4:05 pm

Nonstop2h 55m

$149

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Phoenix Sky Harbor Intl Airport, with most prices found around $184. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Phoenix Sky Harbor Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $206.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $360. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Tuesday is $544.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $281. Try not to purchase tickets at noon because they tend to be around $589. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Phoenix Sky Harbor Intl to Houston George Bush Intcntl flight route?

Fly from Phoenix Sky Harbor Intl to Houston George Bush Intcntl for the best Phoenix Sky Harbor Intl - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $229 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Phoenix Sky Harbor Intl Airport for as low as $152 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flight.

How have Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flight prices changed over time?

As of September 2025, prices for Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport (PHX to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Best Price Found

$122

Fastest flight time

2h 31m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Phoenix Sky Harbor Intl Airport in the past 72 hours is $122. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $241.
The fastest flight from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport takes 2h 31m
Direct flights go from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Houston George Bush Intcntl by plane?

    A flight from Phoenix Sky Harbor Intl to Houston George Bush Intcntl will travel around 1005.6 mi. Typically, this will take 2h 31m by plane in normal conditions.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
5.8
3,165 reviews
Search Frontier flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • United Airlines Flights From Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

    United Airlines is one of the most popular airlines flying from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport, operating 10 flights/week on average for this route. A good United Airlines flight deal for Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport starts from $150 round-trip, up to an average price of $297. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport

    American Airlines (7.2/10 from 10,000 reviews) operates around 6 flights from Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport in any given week. The average American Airlines airfare for this route is around $284, with deals from around $157 rare but found on momondo. Referenced prices are for round-trip Phoenix Sky Harbor Intl Airport to Houston George Bush Intcntl Airport flight searches in the last 72 hours.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Houston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Houston for you.

Can I find flights from Phoenix to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Phoenix on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Phoenix to Houston?

momondo helps you find the best flight between Phoenix and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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Yes. momondo can track prices for Phoenix to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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