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$86+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Houston are usually found in September or August, booked 11 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 March 28, 2025.

Round-trip from

$187
(CheapOair)

One-way from

$86
(Mytrip)

Popular in

February

Cheapest in

September

Average price

$366
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. 24% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This CheapOair deal was found by Cheapflights users on 3/27. 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.
Fri 4/257:03 pmPHL - IAH
1 stop24h 26mSpirit Airlines
Mon 4/286:10 pmIAH - PHL
1 stop13h 00mSpirit Airlines
Deal found 3/27$187
This American Airlines deal was found by Cheapflights users on 3/27. 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 6/46:53 pmPHL - IAH
Nonstop3h 47mAmerican Airlines
Tue 6/107:43 amIAH - PHL
Nonstop3h 26mAmerican Airlines
Deal found 3/27$207
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Fri 5/26:42 pmPHL - IAH
1 stop30h 11mMultiple Airlines
Sun 5/117:16 pmIAH - PHL
Nonstop3h 25mMultiple Airlines
Deal found 3/27$216
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 9/68:15 amPHL - IAH
Nonstop3h 34mUnited Airlines
Tue 9/96:50 pmIAH - PHL
Nonstop3h 21mUnited Airlines
Deal found 3/27$219
This Southwest deal was found by Cheapflights users on 3/27. 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 6/46:35 pmPHL - HOU
1 stop6h 05mSouthwest
Sat 6/75:35 amHOU - PHL
1 stop5h 00mSouthwest
Deal found 3/27$227
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 6/46:38 amPHL - IAH
1 stop8h 01mDelta
Sat 6/76:00 amIAH - PHL
1 stop6h 51mDelta
Deal found 3/27$237
This Delta deal was found by Cheapflights users on 3/27. 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 6/245:30 amPHL - HOU
1 stop7h 37mDelta
Sat 6/286:34 pmHOU - PHL
1 stop5h 19mDelta
Deal found 3/27$237
This Frontier deal was found by Cheapflights users on 3/27. 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 4/2510:51 pmPHL - IAH
1 stop12h 54mFrontier
Mon 4/289:01 pmIAH - PHL
1 stop9h 31mFrontier
Deal found 3/27$238
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Thu 4/106:00 amPHL - HOU
1 stop28h 32mFrontier
Mon 4/1410:36 amHOU - PHL
1 stop17h 53mFrontier
Deal found 3/27$261
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 7/251:45 pmPHL - HOU
1 stop7h 07mAmerican Airlines
Mon 7/286:30 pmHOU - PHL
1 stop5h 29mAmerican Airlines
Deal found 3/27$303
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:16 amPHL - IAH
1 stop8h 47mJetBlue
Tue 5/1311:51 amIAH - PHL
1 stop9h 30mJetBlue
Deal found 3/27$318

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 March 28, 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

Fri 4/25

7:03 pm-6:29 pm

1 stop24h 26m

Houston George Bush Intcntl

Mon 4/28

6:10 pm-8:10 am

1 stop13h 00m

$187

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 6/4

6:53 pm-9:40 pm

Nonstop3h 47m

Houston George Bush Intcntl

Tue 6/10

7:43 am-12:09 pm

Nonstop3h 26m

$207

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 5/2

6:42 pm-11:53 pm

1 stop30h 11m

Houston George Bush Intcntl

Sun 5/11

7:16 pm-11:41 pm

Nonstop3h 25m

$216

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 6/4

6:35 pm-11:40 pm

1 stop6h 05m

Houston Hobby

Sat 6/7

5:35 am-11:35 am

1 stop5h 00m

$227

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 6/4

6:38 am-1:39 pm

1 stop8h 01m

Houston George Bush Intcntl

Sat 6/7

6:00 am-1:51 pm

1 stop6h 51m

$237

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 6/24

5:30 am-12:07 pm

1 stop7h 37m

Houston Hobby

Sat 6/28

6:34 pm-12:53 am

1 stop5h 19m

$237

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 4/25

10:51 pm-10:45 am

1 stop12h 54m

Houston George Bush Intcntl

Mon 4/28

9:01 pm-7:32 am

1 stop9h 31m

$238

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 4/28

6:31 pm-12:51 am

1 stop7h 20m

Houston George Bush Intcntl

Wed 4/30

7:20 am-11:45 am

Nonstop3h 25m

$243

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 4/10

6:00 am-9:32 am

1 stop28h 32m

Houston Hobby

Mon 4/14

10:36 am-5:29 am

1 stop17h 53m

$261

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 5/7

10:16 am-6:03 pm

1 stop8h 47m

Houston George Bush Intcntl

Thu 5/8

11:51 am-10:21 pm

1 stop9h 30m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 22 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 a quick check-in, verify your airline's terminal before arriving. Terminals are spread out, and only B and C, and D and E are linked indoors.

Read more about PHLby Mark Chesnut
IAH

For a quick ride to downtown Houston, use Uber or Lyft from Terminals A, B, or C. Taxis are available at Terminal E.

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 March 21, 2025.

The best time to book flights from Philadelphia to Houston is 11 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 $334). 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 March 28, 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 March 28, 2025.
Read through reviews of airlines operating flights from Philadelphia to Houston, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

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 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 Spirit Airlines is currently your cheapest option to Houston, with prices starting at $187. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $207 and $219, respectively. These flights start at 31% 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 $86. Users have also found prices from $114 and $119 on Southwest and American Airlines, 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 $334). 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.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$157FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$307FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$110Average$180FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$151Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$398FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$423FlexibilityNo cancel feeOn-time63%
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