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$109+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 pm
PHL
-
IAH
2 stops28h 34m
Frontier
Fri 8/214:32 pm
IAH
-
PHL
1 stop13h 43m
Frontier
Deal found 7/27$261
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/126:33 pm
PHL
-
IAH
2 stops28h 56m
Frontier
Tue 8/184:32 pm
IAH
-
PHL
1 stop13h 43m
Frontier
Deal found 7/25$263
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:45 pm
PHL
-
IAH
1 stop6h 29m
Frontier
Thu 8/2711:32 am
IAH
-
PHL
1 stop7h 56m
Frontier
Deal found 7/27$264
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Fri 8/144:40 pm
PHL
-
IAH
1 stop15h 40m
Frontier
Sun 8/168:55 am
IAH
-
PHL
1 stop21h 20m
Frontier
Deal found 7/28$265
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:32 pm
PHL
-
IAH
2 stops14h 48m
Frontier
Fri 8/214:32 pm
IAH
-
PHL
1 stop18h 54m
Frontier
Deal found 7/29$266
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 11/67:10 am
PHL
-
IAH
1 stop6h 30m
Frontier
Mon 11/98:44 pm
IAH
-
PHL
1 stop9h 52m
Frontier
Deal found 7/26$267
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:30 pm
PHL
-
IAH
1 stop6h 59m
Frontier
Mon 8/244:32 pm
IAH
-
PHL
1 stop13h 43m
Frontier
Deal found 7/29$268
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:30 pm
PHL
-
IAH
1 stop6h 59m
Frontier
Thu 8/204:32 pm
IAH
-
PHL
1 stop13h 43m
Frontier
Deal found 7/29$269
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/114:30 pm
PHL
-
IAH
1 stop6h 59m
Frontier
Wed 8/128:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/28$270
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/106:25 am
PHL
-
IAH
1 stop25h 55m
Frontier
Tue 8/118:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/26$271
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:30 pm
PHL
-
IAH
1 stop6h 59m
Frontier
Sun 8/168:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/29$273
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:40 pm
PHL
-
IAH
1 stop6h 49m
Frontier
Sat 8/223:27 pm
IAH
-
PHL
1 stop5h 14m
Frontier
Deal found 7/27$274

Find 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 29, 2026.

Round-trip from

$261
(Kiwi.com)

One-way from

$109
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$369
From Philadelphia to Houston
Search Deals
One-way flight from Philadelphia to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 29, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 9/19

11:55 am-6:20 pm

1 stop7h 25m

Houston Hobby

Wed 9/23

8:00 am-2:05 pm

1 stop5h 05m

$309

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 9/9

6:25 pm-10:55 pm

1 stop5h 30m

Houston Hobby

Tue 9/15

7:35 am-2:05 pm

1 stop5h 30m

$309

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 9/5

11:55 am-6:20 pm

1 stop7h 25m

Houston Hobby

Sun 9/6

9:45 am-4:30 pm

1 stop5h 45m

$309

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 9/1

7:15 am-11:20 am

1 stop5h 05m

Houston Hobby

Tue 9/8

8:15 am-4:00 pm

1 stop6h 45m

$309

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 9/30

1:24 pm-7:10 pm

1 stop6h 46m

Houston George Bush Intcntl

Mon 10/5

6:05 pm-10:31 pm

Nonstop3h 26m

$314

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 9/10

1:05 pm-9:50 pm

1 stop9h 45m

Houston Hobby

Fri 9/11

1:40 pm-10:05 pm

2 stops7h 25m

$314

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 10/24

4:00 pm-11:03 pm

1 stop8h 03m

Houston Hobby

Mon 10/26

5:28 pm-12:56 am

1 stop6h 28m

$324

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 9/1

7:55 am-2:00 pm

2 stops7h 05m

Houston Hobby

Mon 9/7

6:00 am-12:05 pm

1 stop5h 05m

$329

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 8/27

3:58 pm-10:05 pm

1 stop7h 07m

Houston Hobby

Sun 8/30

6:00 am-1:26 pm

1 stop6h 26m

$339

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 10/15

6:16 am-8:50 am

Nonstop3h 34m

Houston George Bush Intcntl

Sun 10/18

7:30 am-11:58 am

Nonstop3h 28m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 36 resultsSorted by cheapest first
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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

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 $293). Flying from Philadelphia to Houston in March is currently the most expensive (average of $411). 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 29, 2026.

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 at noon could potentially save you up to 2% on airfare.

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

Airfare is below average for this route at the moment.
Philadelphia to Houston flights typically cost between $270 and $371 in August.
The cheapest round-trip price found within the last 5 days was $261 on Frontier (Aug 19-Aug 21).

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

The best time to book flights from Philadelphia to Houston is 83 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 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 October 5, 2025.

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

The best insider tips for Philadelphia to Houston 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 Philadelphia to Houston trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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 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 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 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 29, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.8
Good
8,485 reviews
Southwest
8.0
Very good
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
10,052 reviews
Southwest
8.0
Very good
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.1
Good
11,839 reviews
Southwest
8.0
Very good
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.6
Fair
2,749 reviews
Southwest
8.0
Very good
4,228 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Philadelphia to Houston?

    A quick flight from Philadelphia to Houston can take about 6h 46m. Southwest provides one of the quickest options available for as low as $314. The distance from Philadelphia to Houston is about 1322 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $128. Additional round-trip tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at $200 and $234, respectively. These flights start at 62% 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 Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $75 and $119 on JetBlue and Southwest, 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 $293). Flying from Philadelphia to Houston in March is currently the most expensive (average of $411). 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.
Newark to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
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John F Kennedy Intl to Dallas/Fort Worth flights
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John F Kennedy Intl to George Bush Intcntl flights
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Philadelphia to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Dulles Intl to Austin flights
Reagan-National to George Bush Intcntl flights
Dulles Intl to George Bush Intcntl flights
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LaGuardia to Love Field flights
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Reagan-National to Austin flights
Dulles Intl to San Antonio flights
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Reagan-National to San Antonio flights
Philadelphia to Love Field flights
Philadelphia to Austin flights
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Pittsburgh to Dallas/Fort Worth flights
Philadelphia to San Antonio flights
Pittsburgh to Hobby flights
Pittsburgh to George Bush Intcntl flights
Pittsburgh to Love Field flights
Pittsburgh to Austin flights
Pittsburgh to San Antonio flights
Dulles Intl to El Paso flights
Harrisburg to Dallas/Fort Worth flights
Newark to El Paso flights
Allentown to George Bush Intcntl flights
John F Kennedy Intl to El Paso flights
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Harrisburg to San Antonio 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$231FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$200Average$336FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$234Average$379FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$328FlexibilityNo cancel feeOn-time63%
DeltaCheapest$238Average$329FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$241Average$364FlexibilityNo cancel feeOn-time71%

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