$44 Cheap Flights from Phoenix (PHX) to Houston (HOU)

View $44 flight on Wed, Apr 30, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Houston William Hobby Airport (HOU)

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Find available prices by choosing your travel dates.

Cheap Flights from Phoenix to Houston (PHX-HOU)

Prices were available within the past 7 days and start at $44 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 29 - Mon, May 19
PHX
Phoenix
IAH
Houston
$129 Roundtrip, found 22 hours ago
$129
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Apr 29 from Phoenix to Houston, returning Mon, May 19, priced at $129 found 22 hours ago
Frontier Airlines
Sat, May 31 - Fri, Jun 6
PHX
Phoenix
IAH
Houston
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 31 from Phoenix to Houston, returning Fri, Jun 6, priced at $134 just found
Frontier Airlines
Thu, May 15 - Sat, May 31
PHX
Phoenix
IAH
Houston
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, May 15 from Phoenix to Houston, returning Sat, May 31, priced at $135 found 4 days ago
Frontier Airlines
Sun, May 25 - Sat, May 31
PHX
Phoenix
IAH
Houston
$137 Roundtrip, found 8 hours ago
$137
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sun, May 25 from Phoenix to Houston, returning Sat, May 31, priced at $137 found 8 hours ago
Frontier Airlines
Tue, Apr 29 - Sun, May 18
PHX
Phoenix
IAH
Houston
$138 Roundtrip, found 22 hours ago
$138
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Apr 29 from Phoenix to Houston, returning Sun, May 18, priced at $138 found 22 hours ago
Frontier Airlines
Sat, May 31 - Thu, Jul 3
PHX
Phoenix
IAH
Houston
$143 Roundtrip, found 2 days ago
$143
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 31 from Phoenix to Houston, returning Thu, Jul 3, priced at $143 found 2 days ago
United
Wed, May 21 - Sat, May 31
PHX
Phoenix
IAH
Houston
$150 Roundtrip, found 22 hours ago
$150
Roundtrip
found 22 hours ago
Select United flight, departing Wed, May 21 from Phoenix to Houston, returning Sat, May 31, priced at $150 found 22 hours ago
Spirit Airlines
Thu, May 29 - Sat, May 31
PHX
Phoenix
IAH
Houston
$163 Roundtrip, found 15 hours ago
$163
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Thu, May 29 from Phoenix to Houston, returning Sat, May 31, priced at $163 found 15 hours ago
American Airlines
Wed, May 14 - Wed, May 21
PHX
Phoenix
IAH
Houston
$179 Roundtrip, found 6 hours ago
$179
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, May 14 from Phoenix to Houston, returning Wed, May 21, priced at $179 found 6 hours ago
Southwest Airlines
Tue, May 20 - Sat, May 24
PHX
Phoenix
HOU
Houston
$184 Roundtrip, found 1 hour ago
$184
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, May 20 from Phoenix to Houston, returning Sat, May 24, priced at $184 found 1 hour ago
Flights from Phoenix (PHX) to Houston (IAH)
Origin airport
Sky Harbor Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$82
Distance
1006 mi

Phoenix to Houston Flights

The cheapest times to fly from Phoenix to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Houston are during the month of April. You can find some of the cheapest flights from Phoenix to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Phoenix to Houston

Sunday is one of the best days to book for cheap flights from Phoenix to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Phoenix to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU) cost?
You can find cheap return tickets from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU) starting from $145. Book your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Frontier Airlines flight leaving PHX on May 13 2025 and touching down at HOU. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from PHX to HOU?
The cheapest flights from PHX to HOU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Catch a direct flight with Southwest Airlines and fly straight from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU).
What is the cheapest airline that flies from PHX to HOU?
Jet off from PHX to HOU with Southwest Airlines. This carrier currently has the cheapest one-way fare on this route, starting at $80. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on May 20 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Every day, an average of 5 direct flights take off from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU). Select the departure date that best suits your plans.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Flights between PHX and HOU are busiest at 6 PM. If you want a quieter experience and possibly cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from PHX to HOU?
If you travel on a Sunday, you’ll get the widest range of options for flights from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Hop on the earliest flight at around 5:50AM UTC-7, leaving from Sky Harbor Intl. Airport (PHX). You’ll be in the air for approximately 2h 25m, reaching William P. Hobby Airport (HOU) at approximately 9:15AM UTC-6.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
It takes around 2 hours and 23 minutes to cover the 1,000 mi from PHX to HOU.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Book a flight from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from Sky Harbor Intl. Airport (PHX)?
Take a direct flight from Sky Harbor Intl. Airport (PHX) to Houston and touch down at George Bush Intercontinental Airport (IAH). Another gateway to this destination is William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU) last-minute?
Booking your plane ticket from PHX to HOU just before your journey is usually more expensive. However, if there’s some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a PHX to HOU flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to HOU flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to William P. Hobby Airport (HOU)?
Usually, it’s possible to cancel or reschedule your PHX to HOU flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.