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$69+ Cheap flights from Phoenix to Houston

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — HOU
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Houston are usually found in September or August, booked 70 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Phoenix to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Houston (HO1). 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 August 13, 2025.

Round-trip from

$128
(Cheapflightsfares)

One-way from

$69
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$192
From Phoenix to Houston
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One-way flight from Phoenix to Houston
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Highest demand for flights based on searches. 13% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Phoenix to Houston

Cheapest flights from Phoenix to Houston
Explore the most affordable flight options available from Phoenix to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 9/186:30 amPHX - IAH
Nonstop2h 39mFrontier
Mon 9/2212:52 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 8/12$128
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/234:05 pmPHX - IAH
Nonstop2h 45mFrontier
Sun 10/2610:59 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 8/10$129
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:25 amPHX - IAH
Nonstop2h 42mFrontier
Fri 9/1912:52 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 8/11$130
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amPHX - IAH
Nonstop2h 42mFrontier
Sat 9/63:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 8/11$131
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:14 amPHX - IAH
1 stop5h 28mFrontier
Sat 9/63:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 8/12$133
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amPHX - IAH
Nonstop2h 42mFrontier
Tue 9/97:30 amIAH - PHX
1 stop6h 12mFrontier
Deal found 8/13$136
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:25 amPHX - IAH
Nonstop2h 52mFrontier
Thu 8/219:57 pmIAH - PHX
Nonstop2h 45mFrontier
Deal found 8/11$137
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amPHX - IAH
Nonstop2h 42mFrontier
Sun 9/711:59 amIAH - PHX
Nonstop2h 52mFrontier
Deal found 8/11$138
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/166:10 amPHX - IAH
Nonstop2h 38mUnited Airlines
Wed 9/174:50 pmIAH - PHX
Nonstop2h 51mUnited Airlines
Deal found 8/12$139
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:40 pmPHX - HOU
Nonstop2h 25mSouthwest
Tue 10/213:00 pmHOU - PHX
Nonstop2h 45mSouthwest
Deal found 8/10$139
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:00 amPHX - IAH
Nonstop2h 42mFrontier
Sun 9/1412:52 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 8/12$140
This Frontier deal was found by Cheapflights users on 8/10. 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.
Thu 8/284:20 pmPHX - IAH
Nonstop2h 52mFrontier
Sun 8/3110:54 pmIAH - PHX
Nonstop2h 43mFrontier
Deal found 8/10$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Houston 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 August 13, 2025.
Use the filters below to find and compare flights from Phoenix to Houston that are best for you.

Fly from

Phoenix

Fly to

Houston

Route

Depart

Return

Price

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/10

5:29 pm-10:14 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 10/13

10:59 pm-11:54 pm

Nonstop2h 55m

$128

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sun 11/2

5:13 pm-8:58 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sat 11/8

6:07 pm-7:59 pm

Nonstop2h 52m

$128

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/24

5:29 pm-10:14 pm

Nonstop2h 45m

Houston George Bush Intcntl

Mon 10/27

10:59 pm-11:54 pm

Nonstop2h 55m

$128

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 9/18

6:30 am-11:09 am

Nonstop2h 39m

Houston George Bush Intcntl

Mon 9/22

12:52 pm-1:47 pm

Nonstop2h 55m

$128

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 9/19

7:25 am-12:07 pm

Nonstop2h 42m

Houston George Bush Intcntl

Sun 9/21

12:52 pm-1:47 pm

Nonstop2h 55m

$129

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sun 10/19

5:29 pm-10:14 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sun 10/26

10:59 pm-11:54 pm

Nonstop2h 55m

$129

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 10/23

4:05 pm-8:50 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sun 10/26

10:59 pm-11:54 pm

Nonstop2h 55m

$129

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 10/30

5:13 pm-9:58 pm

Nonstop2h 45m

Houston George Bush Intcntl

Sun 11/2

9:43 pm-11:38 pm

Nonstop2h 55m

$129

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sun 10/12

5:29 pm-10:14 pm

Nonstop2h 45m

Houston George Bush Intcntl

Fri 10/17

10:59 pm-11:54 pm

Nonstop2h 55m

$130

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/3

7:25 am-12:07 pm

Nonstop2h 42m

Houston George Bush Intcntl

Mon 10/6

12:52 pm-1:47 pm

Nonstop2h 55m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 36 results
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Best time to book a flight from Phoenix to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Phoenix 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 to Houston

How far ahead should I book a flight from Phoenix to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Houston. Price data was last updated on August 8, 2025.

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix to Houston?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Houston (average of $230). Flying from Phoenix to Houston in March is currently the most expensive (average of $331). 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 HOU?

Find hourly flight availability from Phoenix to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

One of the essential ways to save on airfare from Phoenix to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.

What is the cheapest day to fly from Phoenix to Houston?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Houston. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Phoenix to Houston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated August 13, 2025.
Read through reviews of airlines operating flights from Phoenix to Houston, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,920 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,221 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Houston. 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 to Houston round-trip?

    Our cheapest airline available from Phoenix to Houston is Frontier. Our recent data shows that you can find tickets from as low as $128 on this airline. An additional option worth looking into is Southwest, starting at $139. You may be able to fly from Phoenix to Houston for 44% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Phoenix to Houston one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $69. Users have also found prices from $70 and $70 on Frontier and Southwest, respectively.

  • What are the cheapest flights from Phoenix to Houston?

    While on average a flight from Phoenix to Houston is generally $260, our data shows the cheapest flight currently is $64. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston Hobby), you can expect to pay $128 for that flight.

  • Can I find deals for flights from Phoenix to Houston that include hotel bookings?

    Yes. In addition to deals on Phoenix to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Houston.

  • Can I find deals for business class flights from Phoenix to Houston?

    Yes. Cheapflights offers flight deals from Phoenix to Houston 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 to Houston?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Houston (average of $230). Flying from Phoenix to Houston in March is currently the most expensive (average of $331). 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

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Alternative routes for Phoenix to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Phoenix to Houston

Discover the top 4 airlines that operate flights from Phoenix to Houston. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$179FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$152Average$290FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$159Average$268FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$166Average$296FlexibilityNo cancel feeOn-time63%

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