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$66+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — HOU
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Houston with Cheapflights

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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 Monday and return on a Tuesday

Cheap 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 January 1, 2026.

This Frontier deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Sat 1/312:43 pmIAH - PHX
Nonstop3h 13mFrontier
Deal found 12/30$249
This Frontier deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Sun 2/12:43 pmIAH - PHX
Nonstop3h 13mFrontier
Deal found 12/30$253
This Frontier deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Mon 1/262:43 pmIAH - PHX
Nonstop3h 13mFrontier
Deal found 12/30$274
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mMultiple Airlines
Thu 1/294:13 pmIAH - PHX
1 stop8h 15mMultiple Airlines
Deal found 12/30$314
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Tue 1/274:08 pmIAH - PHX
1 stop8h 45mFrontier
Deal found 12/30$316
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Fri 1/304:47 pmIAH - PHX
1 stop8h 53mFrontier
Deal found 12/30$366
This CheapOair deal was found by Cheapflights users on 12/31. 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.
Wed 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Sun 1/46:45 amIAH - PHX
1 stop26h 36mFrontier
Deal found 12/31$397
This eDestinos deal was found by Cheapflights users on 12/30. 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.
Wed 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Fri 1/210:28 pmIAH - PHX
Nonstop3h 00mFrontier
Deal found 12/30$398
This Kiwi.com deal was found by Cheapflights users on 12/31. 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 12/316:04 pmPHX - IAH
Nonstop2h 36mFrontier
Wed 1/710:15 amIAH - PHX
1 stop6h 16mFrontier
Deal found 12/31$404
This Southwest deal was found by Cheapflights users on 12/31. 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.
Wed 12/316:40 pmPHX - HOU
Nonstop2h 25mSouthwest
Wed 1/76:15 amHOU - PHX
Nonstop3h 00mSouthwest
Deal found 12/31$601
This Southwest deal was found by Cheapflights users on 12/31. 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.
Wed 12/316:40 pmPHX - HOU
Nonstop2h 25mSouthwest
Sun 1/47:00 amHOU - PHX
Nonstop2h 55mSouthwest
Deal found 12/31$800
This American Airlines deal was found by Cheapflights users on 12/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:34 amPHX - HOU
1 stop5h 15mAmerican Airlines
Fri 1/212:09 pmHOU - PHX
1 stop5h 25mAmerican Airlines
Deal found 12/30$820

Find 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 January 1, 2026.

Round-trip from

$97
(Frontier)

One-way from

$66
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$258
From Phoenix Sky Harbor Intl to Houston
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 1, 2026.
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 1/14

8:45 am-10:55 pm

1 stop13h 10m

Houston George Bush Intcntl

Sat 1/17

4:51 pm-7:01 pm

Nonstop3h 10m

$111

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Sat 1/17

5:35 pm-8:55 pm

Nonstop2h 20m

Houston Hobby

Sun 1/18

1:40 pm-3:40 pm

Nonstop3h 00m

$131

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 1/20

6:42 pm-5:55 am

1 stop10h 13m

Houston George Bush Intcntl

Sat 1/24

7:00 pm-12:13 am

2 stops30h 13m

$157

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Fri 2/6

4:25 pm-7:50 pm

Nonstop2h 25m

Houston Hobby

Sat 2/14

6:15 pm-8:15 pm

Nonstop3h 00m

$164

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Thu 2/26

5:10 pm-8:51 pm

Nonstop2h 41m

Houston George Bush Intcntl

Sun 3/1

6:39 am-11:16 am

1 stop5h 37m

$169

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Mon 3/9

3:11 pm-12:39 am

1 stop7h 28m

Houston George Bush Intcntl

Thu 3/12

8:07 pm-9:15 pm

Nonstop3h 08m

$183

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Tue 2/3

9:30 am-1:10 pm

Nonstop2h 40m

Houston George Bush Intcntl

Mon 2/9

8:10 pm-10:14 pm

Nonstop3h 04m

$188

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Fri 2/27

6:01 pm-9:36 pm

Nonstop2h 35m

Houston George Bush Intcntl

Wed 3/4

4:50 pm-6:59 pm

Nonstop3h 09m

$188

PhoenixHouston

PHX - IAH

PHXIAH

Phoenix Sky Harbor Intl

Sat 2/14

1:55 pm-12:11 am

1 stop9h 16m

Houston George Bush Intcntl

Sat 2/21

5:30 am-12:29 pm

1 stop7h 59m

$197

PhoenixHouston

PHX - HOU

PHXHOU

Phoenix Sky Harbor Intl

Thu 1/29

12:30 pm-3:55 pm

Nonstop2h 25m

Houston Hobby

Sat 1/31

7:00 am-9:00 am

Nonstop3h 00m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 43 results
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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 December 26, 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, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston (average of $66). Flying from Phoenix Sky Harbor Intl Airport to Houston in June is currently the most expensive (average of $139). 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 January 1, 2026.

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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 36% 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 December 27, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Houston flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Phoenix Sky Harbor Intl Airport to Houston 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 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

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 January 1, 2026.
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
4,252 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

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
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

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
9,131 reviews
Southwest
8.0
Very good
4,252 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

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
11,071 reviews
Southwest
8.0
Very good
4,252 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

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
5.7
Fair
3,066 reviews
Southwest
8.0
Very good
4,252 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

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 Frontier and Southwest fly from Phoenix Sky Harbor Intl Airport to Houston in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 10h 50m. Phoenix Sky Harbor Intl Airport and Houston are separated by a distance of 1017 mi. This flight may include one or multiple stops.

  • 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 $76. Other airlines that can offer you cheap pricing are United Airlines, from $136, and American Airlines, from $150. 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 Frontier ($44), American Airlines ($65), and United Airlines ($69).

  • 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 $358, our data shows the cheapest flight currently is $91. When looking at the most popular route, (Phoenix Sky Harbor Intl - Houston Hobby), you can expect to pay $100 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, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Houston (average of $66). Flying from Phoenix Sky Harbor Intl Airport to Houston in June is currently the most expensive (average of $139). 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.

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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 January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$185FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$142Average$294FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$150Average$345FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$159Average$289FlexibilityNo cancel feeOn-time63%

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