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$68+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PHL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Find cheap flights from Houston to Philadelphia with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston to Philadelphia are usually found in January or September, booked 84 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap 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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:34 pmIAH - PHL
1 stop26h 06mFrontier
Mon 1/56:00 amPHL - IAH
1 stop12h 14mFrontier
Deal found 12/21$233
This CheapOair deal was found by Cheapflights users on 12/21. 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 12/319:34 pmIAH - PHL
1 stop26h 06mFrontier
Sun 1/48:36 pmPHL - IAH
1 stop29h 02mFrontier
Deal found 12/21$235
This Delta deal was found by Cheapflights users on 12/21. 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 12/312:42 pmIAH - PHL
1 stop4h 51mDelta
Thu 1/110:31 amPHL - IAH
1 stop8h 02mDelta
Deal found 12/21$239
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/316:05 pmIAH - PHL
2 stops28h 10mFrontier
Tue 1/65:05 amPHL - IAH
1 stop18h 26mFrontier
Deal found 12/21$244
This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:34 pmIAH - PHL
1 stop26h 06mMultiple Airlines
Tue 1/68:54 pmPHL - IAH
1 stop13h 09mMultiple Airlines
Deal found 12/21$247
This Frontier deal was found by Cheapflights users on 12/21. 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.
Mon 12/296:09 pmIAH - PHL
1 stop5h 17mFrontier
Mon 1/56:00 amPHL - IAH
1 stop12h 14mFrontier
Deal found 12/21$257
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:57 pmIAH - PHL
1 stop19h 33mFrontier
Sun 1/48:36 pmPHL - IAH
1 stop29h 02mFrontier
Deal found 12/21$258
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/227:24 pmIAH - PHL
Nonstop3h 19mMultiple Airlines
Mon 1/129:52 amPHL - IAH
1 stop14h 04mMultiple Airlines
Deal found 12/21$264
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:25 amIAH - PHL
Nonstop3h 16mUnited Airlines
Sat 1/36:51 amPHL - IAH
Nonstop4h 00mUnited Airlines
Deal found 12/22$269
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/317:25 amIAH - PHL
Nonstop3h 16mUnited Airlines
Sun 1/46:34 pmPHL - IAH
1 stop6h 56mUnited Airlines
Deal found 12/21$274
This Delta deal was found by Cheapflights users on 12/21. 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 12/313:25 pmHOU - PHL
1 stop6h 25mDelta
Mon 1/55:59 pmPHL - HOU
1 stop5h 34mDelta
Deal found 12/21$284
This Southwest deal was found by Cheapflights users on 12/21. 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 12/3112:50 pmHOU - PHL
1 stop7h 50mSouthwest
Tue 1/65:40 amPHL - HOU
2 stops13h 10mSouthwest
Deal found 12/21$295

Find 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 December 23, 2025.

Round-trip from

$171
(CheapOair)

One-way from

$68
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$360
From Houston to Philadelphia
Search Deals
One-way flight from Houston to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Mon 2/23

6:07 pm-1:01 am

1 stop5h 54m

Philadelphia

Mon 3/2

6:00 am-6:33 pm

2 stops13h 33m

$172

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 1/16

7:09 pm-10:46 am

2 stops14h 37m

Philadelphia

Mon 1/19

8:43 pm-11:11 am

1 stop15h 28m

$179

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Thu 2/5

4:11 pm-11:39 pm

1 stop6h 28m

Philadelphia

Mon 2/9

12:24 pm-10:53 pm

1 stop11h 29m

$182

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 1/9

4:20 pm-12:57 am

1 stop7h 37m

Philadelphia

Sun 1/11

6:06 pm-5:00 pm

2 stops23h 54m

$183

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 1/9

4:35 pm-11:50 pm

1 stop6h 15m

Philadelphia

Fri 1/16

6:11 pm-11:58 pm

1 stop6h 47m

$186

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Thu 1/8

4:35 pm-11:50 pm

1 stop6h 15m

Philadelphia

Mon 1/12

7:12 pm-8:40 am

2 stops14h 28m

$209

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 2/10

7:20 am-2:31 pm

1 stop6h 11m

Philadelphia

Tue 2/17

5:55 pm-8:50 pm

Nonstop3h 55m

$225

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 1/27

7:20 am-2:31 pm

1 stop6h 11m

Philadelphia

Wed 2/4

12:40 pm-3:40 pm

Nonstop4h 00m

$225

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 1/23

12:20 pm-4:36 pm

Nonstop3h 16m

Philadelphia

Sat 1/31

8:05 am-11:05 am

Nonstop4h 00m

$234

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 1/2

6:09 pm-12:26 am

1 stop5h 17m

Philadelphia

Mon 1/5

6:00 am-5:14 pm

1 stop12h 14m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 41 results
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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 December 19, 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 84 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, November is the cheapest month in which you can book a flight from Houston to Philadelphia (average of $65). Flying from Houston to Philadelphia in June is currently the most expensive (average of $116). 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 December 23, 2025.

It’s optimal to fly from Houston to Philadelphia in the evening. By choosing this option you can save up to 60% 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 December 16, 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 often are flights from Houston to Philadelphia delayed?

About 16% of weekly flights between Houston and Philadelphia have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for Houston to Philadelphia flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Philadelphia flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

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 December 23, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American 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
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,105 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,196 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,075 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Houston to Philadelphia?

    Frontier, Spirit Airlines, and Delta can get you from Houston to Philadelphia in just under 6h 15m. Your travel time can differ by up to 15m. There are 1322 mi between Houston and Philadelphia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Frontier ($72), Spirit Airlines ($76), and Delta ($119) offers the cheapest pricing from Houston to Philadelphia. You may be able to fly from Houston to Philadelphia for 76% 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 Frontier, which is currently one of the cheapest options available, starting at $52. Spirit Airlines flights start at $55 while deals on American Airlines start at $109 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, November is the cheapest month in which you can book a flight from Houston to Philadelphia (average of $65). Flying from Houston to Philadelphia in June is currently the most expensive (average of $116). 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
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

Browse thousands of different options on Cheapflights for your next trip

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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 John F Kennedy Intl flights
Dallas/Fort Worth to Newark flights
Hobby to LaGuardia flights
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George Bush Intcntl to Dulles Intl flights
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George Bush Intcntl to Philadelphia flights
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Austin to Dulles Intl flights
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Austin to Reagan-National flights
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Love Field to Newark flights
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Love Field to Reagan-National flights
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George Bush Intcntl to Pittsburgh flights
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$171FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$90Average$198FlexibilityNo cancel feeOn-time65%
DeltaCheapest$123Average$306FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$188Average$348FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$200Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$370FlexibilityNo cancel feeOn-time69%

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