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George Bush Intcntl

$100+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Houston George Bush Intcntl are usually found in August or September, booked 33 days in advance, depart on a Tuesday or Thursday 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 June 12, 2025.

Round-trip from

$182
(FlightHub)

One-way from

$100
(American Airlines)

Popular in

February

Cheapest in

August

Average price

$260

Good round-trip deal

$241 or less

Good one-way deal

$160 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 ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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.
Thu 7/109:15 pmPHL - IAH
Nonstop3h 44mSpirit Airlines
Sat 7/127:05 amIAH - PHL
1 stop12h 02mSpirit Airlines
Deal found 6/12$182
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:45 amPHL - IAH
Nonstop3h 28mAmerican Airlines
Sat 9/68:32 amIAH - PHL
Nonstop3h 19mAmerican Airlines
Deal found 6/10$199
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/243:56 pmPHL - IAH
Nonstop3h 45mMultiple Airlines
Sun 6/295:12 pmIAH - PHL
1 stop11h 37mMultiple Airlines
Deal found 6/10$233
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:30 amPHL - IAH
1 stop7h 32mDelta
Tue 7/227:10 amIAH - PHL
1 stop8h 05mDelta
Deal found 6/10$237
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sun 7/135:25 amPHL - IAH
1 stop9h 31mFrontier
Mon 7/214:41 pmIAH - PHL
1 stop6h 54mFrontier
Deal found 6/10$261
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:59 pmPHL - IAH
1 stop5h 46mUnited Airlines
Tue 6/244:55 pmIAH - PHL
1 stop5h 34mUnited Airlines
Deal found 6/11$309

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 June 12, 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

Thu 7/10

9:15 pm-11:59 pm

Nonstop3h 44m

Houston George Bush Intcntl

Sat 7/12

7:05 am-8:07 pm

1 stop12h 02m

$182

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 8/28

8:45 am-11:13 am

Nonstop3h 28m

Houston George Bush Intcntl

Sat 9/6

8:32 am-12:51 pm

Nonstop3h 19m

$199

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 6/24

3:56 pm-6:41 pm

Nonstop3h 45m

Houston George Bush Intcntl

Sun 6/29

5:12 pm-5:49 am

1 stop11h 37m

$233

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 7/15

5:30 am-12:02 pm

1 stop7h 32m

Houston George Bush Intcntl

Tue 7/22

7:10 am-4:15 pm

1 stop8h 05m

$237

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 7/13

5:25 am-1:56 pm

1 stop9h 31m

Houston George Bush Intcntl

Mon 7/21

4:41 pm-12:35 am

1 stop6h 54m

$261

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 6/17

7:59 pm-12:45 am

1 stop5h 46m

Houston George Bush Intcntl

Tue 6/24

4:55 pm-11:29 pm

1 stop5h 34m

$309

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 7/22

8:39 am-11:08 am

Nonstop3h 29m

$100

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 7/11

9:12 pm-1:13 pm

1 stop17h 01m

$101

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 7/23

10:38 am-5:04 pm

1 stop7h 26m

$119

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 6/17

2:51 pm-11:01 am

1 stop21h 10m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 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 June 9, 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 33 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 56% 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 June 8, 2025.

Travelers seeking maximum savings on their Philadelphia to Houston George Bush Intcntl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Philadelphia to Houston George Bush Intcntl Airport

Explore weekly flight availability from Philadelphia to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PHL to IAH are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

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

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

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

Reviews of airlines servicing 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Philadelphia to Houston by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,052 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 10 outbound flights to Houston George Bush Intcntl per day.

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

    Spirit Airlines, at $182, was found to be the cheapest airline from Philadelphia to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Philadelphia to Houston George Bush Intcntl Airport for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Philadelphia to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Philadelphia to Houston George Bush Intcntl Airport for a low price.

  • 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: Mesa Airlines (92%), Emirates (91%), United Airlines (91%).

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

    On average you can expect to pay $953 for a flight from Philadelphia to Houston George Bush Intcntl Airport. The cheapest flight overall is $102 while the most popular route, (Philadelphia - Houston George Bush Intcntl) is currently priced at $124.

  • 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 Philadelphia?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$59Average$166FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$200FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$149Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$403FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$270FlexibilityNo cancel feeOn-timeN/A

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