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$81+ Cheap flights from Philadelphia (PHL) 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Houston are usually found in September or August, booked 75 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap flight deals from Philadelphia to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 July 3, 2025.

Round-trip from

$155
(Frontier)

One-way from

$81
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$260
From Philadelphia to Houston
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One-way flight from Philadelphia to Houston
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Highest demand for flights based on searches. 20% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Philadelphia to Houston

Cheapest flights from Philadelphia to Houston
Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:12 pmPHL - IAH
1 stop26h 25mSpirit Airlines
Wed 8/64:29 pmIAH - PHL
Nonstop3h 22mSpirit Airlines
Deal found 7/3$154
This Frontier deal was found by Cheapflights users on 7/2. 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 8/215:40 amPHL - IAH
1 stop12h 16mFrontier
Tue 8/268:45 amIAH - PHL
1 stop6h 45mFrontier
Deal found 7/2$155
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 9/1112:00 pmPHL - IAH
Nonstop3h 38mAmerican Airlines
Mon 9/158:32 amIAH - PHL
Nonstop3h 19mAmerican Airlines
Deal found 7/3$157
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:30 amPHL - HOU
1 stop5h 05mSouthwest
Wed 8/65:35 amHOU - PHL
1 stop4h 50mSouthwest
Deal found 6/30$167
This Priceline deal was found by Cheapflights users on 7/3. 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.
Fri 7/119:15 pmPHL - IAH
Nonstop3h 44mMultiple Airlines
Sat 8/168:56 pmIAH - PHL
1 stop10h 06mMultiple Airlines
Deal found 7/3$178
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:30 amPHL - HOU
1 stop4h 47mDelta
Thu 8/710:19 amHOU - PHL
1 stop4h 57mDelta
Deal found 7/3$237

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia 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 July 3, 2025.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Philadelphia

Fly to

Houston

Route

Depart

Return

Price

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 8/4

9:12 pm-10:37 pm

1 stop26h 25m

Houston George Bush Intcntl

Wed 8/6

4:29 pm-8:51 pm

Nonstop3h 22m

$154

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 8/21

5:40 am-4:56 pm

1 stop12h 16m

Houston George Bush Intcntl

Tue 8/26

8:45 am-4:30 pm

1 stop6h 45m

$155

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 8/21

11:29 am-1:56 pm

Nonstop3h 27m

Houston George Bush Intcntl

Mon 8/25

3:15 pm-7:48 pm

Nonstop3h 33m

$157

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 9/9

6:30 am-11:39 am

1 stop6h 09m

Houston George Bush Intcntl

Sat 9/13

7:38 am-11:59 am

Nonstop3h 21m

$158

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 7/30

5:30 am-9:35 am

1 stop5h 05m

Houston Hobby

Wed 8/6

5:35 am-11:25 am

1 stop4h 50m

$167

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 7/11

9:15 pm-11:59 pm

Nonstop3h 44m

Houston George Bush Intcntl

Sat 8/16

8:56 pm-8:02 am

1 stop10h 06m

$178

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 7/29

5:30 am-9:17 am

1 stop4h 47m

Houston Hobby

Wed 8/6

6:00 am-3:00 pm

1 stop8h 00m

$237

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 8/2

2:05 pm-7:43 pm

1 stop6h 38m

$81

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 8/5

1:50 pm-9:30 pm

1 stop8h 40m

$84

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 7/26

7:19 am-4:14 pm

1 stop9h 55m

$86

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results
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The best insider tips for Philadelphia 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 Philadelphia to Houston trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for added comfort.


Spirit's self-service bag drop saves time at the airport, enhancing efficiency.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort on domestic flights.


United's MileagePlus allows pooling miles, beneficial for family travel.

Read more about United Airlinesby Harriet Baskas
Airports
PHL

For quick access to Center City, use SEPTA regional rail from PHL. Stations are near Terminals A, B, C/D, and E/F.

Read more about PHLby Mark Chesnut
IAH

For a quick ride to downtown Houston, take an Uber or Lyft from IAH. It's about a 25-minute drive.

Read more about IAHby Evie Carrick
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

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
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
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Best time to book a flight from Philadelphia to Houston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Houston. Price data was last updated on June 27, 2025.

The best time to book flights from Philadelphia to Houston is 75 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 Philadelphia to Houston?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $230). Flying from Philadelphia to Houston in March is currently the most expensive (average of $332). 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 PHL to HOU?

Find hourly flight availability from Philadelphia 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 July 3, 2025.

One of the essential ways to save on airfare from Philadelphia 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 afternoon could potentially save you up to 39% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Houston. Price data was last updated on December 16, 2024.

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

How much does it cost to fly round-trip from Philadelphia to Houston?

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 July 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Philadelphia 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
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
339 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Houston?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Houston. 6 airlines have flights from Philadelphia to Houston on a regular basis. Booking flights from Philadelphia to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • What are the cheapest airlines flying from Philadelphia to Houston round-trip?

    Flying on Frontier is currently your cheapest option to Houston, with prices starting at $155. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $156 and $157, respectively. These flights start at 47% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $84 and $86 on Southwest and Frontier, respectively.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $230). Flying from Philadelphia to Houston in March is currently the most expensive (average of $332). 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 Philadelphia to Houston

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
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Pittsburgh to Dallas/Fort Worth flights
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Reagan-National to Love Field flights
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John F Kennedy Intl to Love Field flights
Pittsburgh to George Bush Intcntl flights
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Newark to Love Field flights
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John F Kennedy Intl to El Paso flights
Allentown to Dallas/Fort Worth flights
Newark to El Paso flights
Reagan-National to El Paso flights
Dulles Intl to El Paso flights
Allentown to Hobby flights
Pittsburgh to San Antonio flights
Allentown to George Bush Intcntl flights

Top 6 airlines flying from Philadelphia to Houston

Discover the top 6 airlines that operate flights from Philadelphia 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$57Average$176FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$185FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$144Average$386FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$151Average$430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$182Average$401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$310FlexibilityNo cancel feeOn-timeN/A

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