HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$79+ Cheap flights from Houston to Philadelphia (PHL)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PHL
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston to Philadelphia are usually found in September or October, booked 86 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Houston to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Philadelphia (PHL). 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 August 1, 2025.

Round-trip from

$160
(FlightHub)

One-way from

$79
(FlightHub)

Popular in

February

Cheapest in

September

Average price

$225
From Houston to Philadelphia
Search Deals
One-way flight from Houston to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Houston to Philadelphia

Cheapest flights from Houston to Philadelphia
Explore the most affordable flight options available from Houston to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 8/125:00 amIAH - PHL
1 stop10h 16mSpirit Airlines
Fri 8/154:58 pmPHL - IAH
1 stop7h 10mSpirit Airlines
Deal found 7/29$160
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:57 amIAH - PHL
Nonstop3h 40mAmerican Airlines
Wed 9/36:39 pmPHL - IAH
Nonstop3h 50mAmerican Airlines
Deal found 7/31$188
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:05 pmIAH - PHL
Nonstop3h 21mUnited Airlines
Tue 9/93:40 pmPHL - IAH
1 stop8h 30mUnited Airlines
Deal found 7/30$202
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/82:14 pmIAH - PHL
1 stop6h 24mMultiple Airlines
Sat 8/162:06 pmPHL - IAH
1 stop10h 30mMultiple Airlines
Deal found 7/30$205
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:57 amHOU - PHL
1 stop6h 23mDelta
Wed 9/35:25 amPHL - HOU
1 stop4h 37mDelta
Deal found 7/31$237
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 9/61:50 pmHOU - PHL
1 stop6h 00mSouthwest
Sat 9/137:35 amPHL - HOU
2 stops10h 45mSouthwest
Deal found 7/31$244

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Philadelphia 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 August 1, 2025.
Use the filters below to find and compare flights from Houston to Philadelphia that are best for you.

Fly from

Houston

Fly to

Philadelphia

Route

Depart

Return

Price

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 8/12

5:00 am-4:16 pm

1 stop10h 16m

Philadelphia

Fri 8/15

4:58 pm-11:08 pm

1 stop7h 10m

$160

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Wed 8/27

11:57 am-4:37 pm

Nonstop3h 40m

Philadelphia

Wed 9/3

6:39 pm-9:29 pm

Nonstop3h 50m

$188

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 9/2

6:05 pm-10:26 pm

Nonstop3h 21m

Philadelphia

Tue 9/9

3:40 pm-11:10 pm

1 stop8h 30m

$202

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 8/8

2:14 pm-9:38 pm

1 stop6h 24m

Philadelphia

Sat 8/16

2:06 pm-11:36 pm

1 stop10h 30m

$205

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 8/12

8:00 am-5:55 pm

1 stop8h 55m

Philadelphia

Tue 8/19

1:34 pm-8:53 pm

1 stop8h 19m

$218

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Wed 8/27

9:57 am-5:20 pm

1 stop6h 23m

Philadelphia

Wed 9/3

5:25 am-9:02 am

1 stop4h 37m

$237

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Sat 9/6

1:50 pm-8:50 pm

1 stop6h 00m

Philadelphia

Sat 9/13

7:35 am-5:20 pm

2 stops10h 45m

$244

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 8/15

12:41 pm-11:20 pm

1 stop9h 39m

$79

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Sat 8/9

5:12 pm-5:49 am

1 stop11h 37m

$109

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Sat 8/30

6:34 pm-12:56 am

1 stop5h 22m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
1
2

The best insider tips for Houston to Philadelphia 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 Houston to Philadelphia trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, perfect for added comfort on short flights.


Use Spirit's Bag-O-Tron tool to compare baggage fees and save money on your booking.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom and priority boarding, ideal for a comfortable short flight.


Prepay for checked bags on United to save on fees, especially for domestic routes.

Read more about United Airlinesby Harriet Baskas
Airports
IAH

Check the IAH Depart tab online for current security wait times at all terminals to plan your arrival accordingly.

Read more about IAHby Evie Carrick
PHL

Use SEPTA's Airport Line for a quick ride to Center City Philadelphia. Stations are conveniently located near arrival gates.

Read more about PHLby Mark Chesnut
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 Houston to Philadelphia

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Philadelphia. Price data was last updated on July 25, 2025.

The price you pay for your flight from Houston to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Houston to Philadelphia (average of $236). Flying from Houston to Philadelphia in March is currently the most expensive (average of $295). 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 HOU to PHL?

Find hourly flight availability from Houston to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

It’s optimal to fly from Houston to Philadelphia in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Houston to Philadelphia. Price data was last updated on September 1, 2024.

Travelers seeking maximum savings on their Houston to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons 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 Houston to Philadelphia?

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Houston to Philadelphia 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
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Houston to Philadelphia. 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 into for flights to Philadelphia from Houston?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Houston to Philadelphia. You should not have trouble finding flights to Philadelphia from Houston; the airport handles an average of 0 inbound flights from Houston per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Philadelphia airport from Houston. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

    According to our current data, Spirit Airlines ($160), American Airlines ($173), and United Airlines ($202) offers the cheapest pricing from Houston to Philadelphia. You may be able to fly from Houston to Philadelphia for 44% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $79. Frontier flights start at $111 while deals on Delta start at $120 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Houston to Philadelphia (average of $236). Flying from Houston to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Philadelphia

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

Top 6 airlines flying from Houston to Philadelphia

Discover the top 6 airlines that operate flights from Houston to Philadelphia. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$53Average$185FlexibilityNo cancel feeOn-time65%
FrontierCheapest$88Average$158FlexibilityNo cancel feeOn-time62%
DeltaCheapest$119Average$296FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$146Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$177Average$398FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$181Average$378FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.