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$67+ Cheap flights from Sky Harbor Intl (PHX) 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — HOU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Houston are usually found in September or July, booked 69 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 September 17, 2025.

Round-trip from

$113
(Frontier)

One-way from

$67
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$193
From Phoenix Sky Harbor Intl to Houston
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One-way flight from Phoenix Sky Harbor Intl to Houston
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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. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Sky Harbor Intl to Houston

Cheapest flights from Sky Harbor Intl to Houston
Explore the most affordable flight options available from Sky Harbor Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:30 amPHX - IAH
Nonstop2h 51mFrontier
Sat 10/43:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 9/14$113
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:29 pmPHX - IAH
Nonstop2h 45mFrontier
Mon 10/2010:59 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/15$118
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:29 pmPHX - IAH
Nonstop2h 45mFrontier
Sat 10/186:43 pmIAH - PHX
Nonstop2h 58mFrontier
Deal found 9/15$119
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:05 pmPHX - IAH
Nonstop2h 45mFrontier
Sun 10/1910:59 pmIAH - PHX
Nonstop2h 55mFrontier
Deal found 9/15$120
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:41 pmPHX - IAH
Nonstop2h 45mFrontier
Sun 11/912:01 pmIAH - PHX
Nonstop2h 56mFrontier
Deal found 9/16$122
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:30 amPHX - IAH
Nonstop2h 51mFrontier
Wed 10/811:36 amIAH - PHX
1 stop8h 45mFrontier
Deal found 9/16$123
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:20 pmPHX - IAH
1 stop25h 19mFrontier
Sat 10/43:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 9/17$124
This eDestinos deal was found by Cheapflights users on 9/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:20 pmPHX - IAH
1 stop25h 19mFrontier
Sun 9/286:15 amIAH - PHX
1 stop27h 45mFrontier
Deal found 9/15$125
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:30 amPHX - IAH
Nonstop2h 51mFrontier
Sun 9/286:15 amIAH - PHX
1 stop5h 19mFrontier
Deal found 9/15$128
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:00 amPHX - IAH
1 stop11h 14mFrontier
Sat 9/273:11 pmIAH - PHX
Nonstop2h 53mFrontier
Deal found 9/14$129
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:11 pmPHX - IAH
Nonstop2h 45mFrontier
Sun 11/25:00 amIAH - PHX
1 stop6h 25mFrontier
Deal found 9/15$131
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 pmPHX - HOU
Nonstop2h 25mSouthwest
Tue 11/115:55 pmHOU - PHX
Nonstop2h 55mSouthwest
Deal found 9/16$139

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Houston that are best for you.

Fly from

Sky Harbor Intl

Fly to

Houston

Route

Depart

Return

Price

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Wed 10/29

6:00 am-10:32 am

Nonstop2h 32m

Houston George Bush Intcntl

Sat 11/1

8:15 pm-9:15 pm

Nonstop3h 00m

$139

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 10/23

4:05 pm-8:50 pm

Nonstop2h 45m

Houston George Bush Intcntl

Tue 10/28

4:37 pm-9:58 pm

1 stop7h 21m

$152

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 10/17

5:45 am-1:51 pm

1 stop6h 06m

Houston George Bush Intcntl

Mon 10/20

6:33 pm-11:41 pm

1 stop7h 08m

$153

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 10/4

9:30 am-2:21 pm

Nonstop2h 51m

Houston George Bush Intcntl

Sun 10/12

10:59 pm-11:54 pm

Nonstop2h 55m

$154

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sun 9/28

7:25 am-12:07 pm

Nonstop2h 42m

Houston George Bush Intcntl

Thu 10/2

10:08 am-3:40 pm

1 stop7h 32m

$161

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Fri 12/5

7:55 am-11:20 am

Nonstop2h 25m

Houston Hobby

Wed 12/10

6:20 am-8:15 am

Nonstop2h 55m

$167

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 12/5

11:20 am-2:57 pm

Nonstop2h 37m

Houston George Bush Intcntl

Wed 12/10

4:45 pm-6:46 pm

Nonstop3h 01m

$167

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Thu 10/16

8:10 pm-12:35 am

Nonstop2h 25m

Houston Hobby

Sat 10/18

8:25 pm-9:10 pm

Nonstop2h 45m

$167

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Thu 10/16

8:10 pm-12:35 am

Nonstop2h 25m

Houston Hobby

Tue 10/21

3:00 pm-3:45 pm

Nonstop2h 45m

$167

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Fri 10/17

8:10 pm-12:35 am

Nonstop2h 25m

Houston Hobby

Tue 10/21

7:15 am-8:05 am

Nonstop2h 50m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 42 results
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The best insider tips for Phoenix Sky Harbor Intl Airport to Houston 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 trip
Airlines
Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.


Early check-in helps secure your seat due to frequent overbooking.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.


Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Southwest

Southwest’s free snacks and non-alcoholic drinks enhance the short flight experience.


Enjoy free messaging and in-flight entertainment on Southwest, ideal for short flights.

Read more about Southwestby Marisa Garcia
Airports
PHX

PHX security lines are efficient, with waits rarely exceeding 10 minutes. Check live wait times online to choose the shortest line.

Read more about PHXby Brandon Schultz
IAH

For quick access to Houston from IAH, Uber or Lyft are recommended, taking around 25 minutes to downtown.

Read more about IAHby Evie Carrick
HOU

HOU is easy to navigate with a single terminal. Expect minimal traffic on surface streets, but use a map app for real-time updates.

Read more about HOUby Scott Laird
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

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
Scott Laird

Scott Laird

Expert on HOU

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

Best time to book a flight from Sky Harbor Intl to Houston

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

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Houston. Price data was last updated on September 12, 2025.

The best time to book flights from Phoenix Sky Harbor Intl Airport to Houston is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston (average of $230). Flying from Phoenix Sky Harbor Intl Airport to Houston in March is currently the most expensive (average of $330). 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 Sky Harbor Intl 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 September 17, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Houston. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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 September 17, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Phoenix Sky Harbor Intl Airport to Houston 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.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Houston. 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?

    Airlines like United Airlines, Frontier, and Southwest fly from Phoenix Sky Harbor Intl Airport to Houston in about 2h 25m. The time it takes to get you to your destination is usually consistent. Phoenix Sky Harbor Intl Airport and Houston are separated by a distance of 1017 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Houston round-trip?

    Cheapflights users have booked flights from Phoenix Sky Harbor Intl Airport to Houston round-trip from $77. Other airlines that can offer you cheap pricing are American Airlines, from $156, and United Airlines, from $157. Users have found that Frontier is 66% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Houston are United Airlines ($70), Southwest ($70), and Frontier ($78).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Houston?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Houston is generally $263, our data shows the cheapest flight currently is $79. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston Hobby), you can expect to pay $120 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Houston that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Houston?

    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 Houston.

  • Can I find deals for business class flights from Sky Harbor Intl to Houston?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Houston?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston (average of $230). Flying from Phoenix Sky Harbor Intl Airport to Houston in March is currently the most expensive (average of $330). 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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Top 4 airlines flying from Sky Harbor Intl to Houston

Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$183FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$156Average$268FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$157Average$292FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$166Average$291FlexibilityNo cancel feeOn-time63%

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