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George Bush Intcntl

$81+ Cheap flights from Philadelphia (PHL) to George Bush Intcntl (IAH)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IAH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Houston George Bush Intcntl are usually found in September or October, booked 65 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Philadelphia to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to George Bush Intcntl (IAH). 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 September 11, 2025.

Round-trip from

$187
(Frontier)

One-way from

$81
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$223

Good round-trip deal

$280 or less

Good one-way deal

$207 or less
From Philadelphia to Houston George Bush Intcntl
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One-way flight from Philadelphia to Houston George Bush Intcntl
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Highest demand for flights based on searches. 23% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Philadelphia to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Philadelphia to Houston George Bush Intcntl.
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Find flight deals from Philadelphia to George Bush Intcntl

Cheapest flights from Philadelphia to George Bush Intcntl
Explore the most affordable flight options available from Philadelphia to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Tue 9/308:00 amPHL - IAH
1 stop8h 36mFrontier
Mon 10/64:04 pmIAH - PHL
1 stop7h 32mFrontier
Deal found 9/10$187
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:50 pmPHL - IAH
1 stop13h 34mSpirit Airlines
Mon 9/157:31 pmIAH - PHL
1 stop13h 15mSpirit Airlines
Deal found 9/10$188
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:44 pmPHL - IAH
1 stop15h 55mFrontier
Fri 9/264:04 pmIAH - PHL
1 stop7h 25mFrontier
Deal found 9/10$189
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:50 pmPHL - IAH
1 stop13h 34mSpirit Airlines
Sun 9/147:31 pmIAH - PHL
1 stop13h 15mSpirit Airlines
Deal found 9/10$190
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:50 pmPHL - IAH
1 stop13h 34mSpirit Airlines
Mon 9/227:31 pmIAH - PHL
1 stop13h 15mSpirit Airlines
Deal found 9/9$192
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/183:27 pmPHL - IAH
2 stops8h 58mMultiple Airlines
Fri 10/245:42 pmIAH - PHL
1 stop6h 17mMultiple Airlines
Deal found 9/10$193
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:41 amPHL - IAH
1 stop8h 31mSpirit Airlines
Wed 9/175:30 amIAH - PHL
1 stop6h 32mSpirit Airlines
Deal found 9/9$194
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/166:10 amPHL - IAH
1 stop8h 12mMultiple Airlines
Thu 10/2310:12 pmIAH - PHL
2 stops26h 29mMultiple Airlines
Deal found 9/10$195
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:11 pmPHL - IAH
1 stop12h 21mSpirit Airlines
Mon 12/811:54 amIAH - PHL
1 stop11h 38mSpirit Airlines
Deal found 9/10$196
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/1812:01 pmPHL - IAH
1 stop9h 14mFrontier
Thu 10/24:04 pmIAH - PHL
2 stops14h 31mFrontier
Deal found 9/10$197
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/38:10 amPHL - IAH
2 stops15h 16mMultiple Airlines
Mon 10/63:00 pmIAH - PHL
1 stop8h 13mMultiple Airlines
Deal found 9/10$198
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:15 amPHL - IAH
1 stop13h 44mSpirit Airlines
Sun 10/125:00 amIAH - PHL
1 stop9h 54mSpirit Airlines
Deal found 9/11$199

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to George Bush Intcntl 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Houston George Bush Intcntl Airport that are best for you.

Fly from

Philadelphia

Fly to

George Bush Intcntl

Route

Depart

Return

Price

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 11/22

6:31 pm-11:59 pm

1 stop6h 28m

Houston George Bush Intcntl

Fri 11/28

12:25 pm-4:41 pm

Nonstop3h 16m

$240

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 11/14

5:58 pm-8:50 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 11/17

6:30 pm-10:46 pm

Nonstop3h 16m

$249

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 11/22

4:58 pm-11:52 pm

1 stop7h 54m

Houston George Bush Intcntl

Mon 11/24

4:11 pm-12:51 am

1 stop7h 40m

$254

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 10/15

6:15 pm-8:50 pm

Nonstop3h 35m

Houston George Bush Intcntl

Wed 10/22

6:39 pm-10:59 pm

Nonstop3h 20m

$254

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 11/21

5:30 am-11:25 am

1 stop6h 55m

Houston George Bush Intcntl

Mon 11/24

4:11 pm-12:51 am

1 stop7h 40m

$269

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 10/8

8:05 am-10:40 am

Nonstop3h 35m

Houston George Bush Intcntl

Sun 10/12

7:34 am-11:55 am

Nonstop3h 21m

$269

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 9/24

8:15 am-10:49 am

Nonstop3h 34m

Houston George Bush Intcntl

Tue 9/30

6:47 pm-11:07 pm

Nonstop3h 20m

$289

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 12/29

8:05 am-1:46 pm

1 stop6h 41m

Houston George Bush Intcntl

Fri 1/2

2:41 pm-8:17 pm

1 stop4h 36m

$291

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 10/10

8:05 am-10:40 am

Nonstop3h 35m

Houston George Bush Intcntl

Sun 10/12

7:34 am-11:55 am

Nonstop3h 21m

$292

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 9/25

7:58 pm-12:30 am

1 stop5h 32m

Houston George Bush Intcntl

Sun 9/28

7:34 am-11:55 am

Nonstop3h 21m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 23 results
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The best insider tips for Philadelphia to Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and priority boarding for a more comfortable journey.


Prepay for checked bags 24 hours before to save on fees with United.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

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


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

Read more about Spirit Airlinesby Daniel Scheffler
Airports
PHL

For quick check-ins, verify your airline’s terminal before arriving at PHL. Terminals are spread out, and only some are connected by indoor walkways.

Read more about PHLby Mark Chesnut
IAH

For a quick ride to downtown Houston from IAH, use Uber or Lyft. They pick up at Terminals A, B, and C.

Read more about IAHby Evie Carrick
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

Best time to book a flight from Philadelphia to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

How far ahead should I book a flight from Philadelphia to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to George Bush Intcntl. Price data was last updated on August 29, 2025.

The price you pay for your flight from Philadelphia to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 65 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 Philadelphia to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston George Bush Intcntl Airport (average of $241). Flying from Philadelphia to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Philadelphia to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 59% on flights from Philadelphia to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Philadelphia to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to George Bush Intcntl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Philadelphia to Houston George Bush Intcntl Airport flight should consider departing on Wednesday 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.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Philadelphia to Houston George Bush Intcntl Airport 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.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to George Bush Intcntl. 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 George Bush Intcntl?

    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 George Bush Intcntl. 5 airlines have flights from Philadelphia to Houston George Bush Intcntl on a regular basis. Booking flights from Philadelphia to Houston George Bush Intcntl should not be difficult; the airport handles an average of 9 outbound flights to Houston George Bush Intcntl per day.

  • How long is the flight from Philadelphia to Houston George Bush Intcntl Airport?

    United Airlines and Delta can get you from Philadelphia to Houston George Bush Intcntl Airport in just under 6h 28m. Your travel time can differ by up to 1h 26m. There are 1322 mi between Philadelphia and Houston George Bush Intcntl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Philadelphia to Houston George Bush Intcntl Airport round-trip?

    Spirit Airlines, at $69, was found to be the cheapest airline from Philadelphia to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include Frontier and American Airlines. You may be able to fly from Philadelphia to Houston George Bush Intcntl Airport for 78% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Philadelphia to Houston George Bush Intcntl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Houston George Bush Intcntl Airport on time: United Airlines (87%), Air New Zealand (84%), Mesa Airlines (83%).

  • What are the cheapest flights from Philadelphia to Houston George Bush Intcntl Airport?

    On average you can expect to pay $734 for a flight from Philadelphia to Houston George Bush Intcntl Airport. The cheapest flight overall is $122 while the most popular route, (Philadelphia - Houston George Bush Intcntl) is currently priced at $113.

  • Can I find deals for flights from Philadelphia to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to George Bush Intcntl?

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

  • Can I find deals for business class flights from Philadelphia to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Philadelphia to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston George Bush Intcntl Airport (average of $241). Flying from Philadelphia to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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Alternative routes for Philadelphia to George Bush Intcntl

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Top 5 airlines flying from Philadelphia to George Bush Intcntl

Discover the top 5 airlines that operate flights from Philadelphia to George Bush Intcntl. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$69Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$115Average$201FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$331FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$270FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$410FlexibilityNo cancel feeOn-time69%

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