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£118 Cheap Flights from Philadelphia (PHL) to Houston (IAH)

View £118 flight on Fri, 28 Aug 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Philadelphia (PHL) to Houston (IAH)

Prices were available within the past 7 days and start at £118 for one-way flights and £288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 14 Oct - Wed, 21 Oct
PHL
Philadelphia
IAH
Houston
£288 Return, found 1 day ago
£288
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 14 Oct from Philadelphia to Houston, returning Wed, 21 Oct, priced at £288 found 1 day ago
JetBlue Airways
Fri, 28 Aug - Fri, 4 Sept
PHL
Philadelphia
IAH
Houston
£289 Return, found 9 hours ago
£289
Return
found 9 hours ago
Select JetBlue Airways flight, departing Fri, 28 Aug from Philadelphia to Houston, returning Fri, 4 Sept, priced at £289 found 9 hours ago
JetBlue Airways
Wed, 14 Oct - Wed, 21 Oct
PHL
Philadelphia
IAH
Houston
£295 Return, found 1 day ago
£295
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 14 Oct from Philadelphia to Houston, returning Wed, 21 Oct, priced at £295 found 1 day ago
JetBlue Airways
Wed, 14 Oct - Wed, 21 Oct
PHL
Philadelphia
IAH
Houston
£310 Return, found 1 day ago
£310
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 14 Oct from Philadelphia to Houston, returning Wed, 21 Oct, priced at £310 found 1 day ago
JetBlue Airways
Thu, 17 Sept - Wed, 23 Sept
PHL
Philadelphia
IAH
Houston
£315 Return, found 2 days ago
£315
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 17 Sept from Philadelphia to Houston, returning Wed, 23 Sept, priced at £315 found 2 days ago
JetBlue Airways
Wed, 29 Jul - Mon, 3 Aug
PHL
Philadelphia
IAH
Houston
£316 Return, found 6 days ago
£316
Return
found 6 days ago
Select JetBlue Airways flight, departing Wed, 29 Jul from Philadelphia to Houston, returning Mon, 3 Aug, priced at £316 found 6 days ago
JetBlue Airways
Wed, 14 Oct - Wed, 21 Oct
PHL
Philadelphia
IAH
Houston
£318 Return, found 1 day ago
£318
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 14 Oct from Philadelphia to Houston, returning Wed, 21 Oct, priced at £318 found 1 day ago
JetBlue Airways
Sat, 17 Oct - Tue, 20 Oct
PHL
Philadelphia
IAH
Houston
£323 Return, found 5 days ago
£323
Return
found 5 days ago
Select JetBlue Airways flight, departing Sat, 17 Oct from Philadelphia to Houston, returning Tue, 20 Oct, priced at £323 found 5 days ago
JetBlue Airways
Fri, 28 Aug - Fri, 4 Sept
PHL
Philadelphia
IAH
Houston
£324 Return, found 9 hours ago
£324
Return
found 9 hours ago
Select JetBlue Airways flight, departing Fri, 28 Aug from Philadelphia to Houston, returning Fri, 4 Sept, priced at £324 found 9 hours ago
Alaska Airlines
Sat, 17 Oct - Tue, 20 Oct
PHL
Philadelphia
IAH
Houston
£451 Return, found 5 days ago
£451
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 17 Oct from Philadelphia to Houston, returning Tue, 20 Oct, priced at £451 found 5 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Houston (IAH)

November is typically the cheapest month to fly

From £91 - £225 per traveller.

Frequently asked questions

How much does a flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from PHL to IAH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PHL to IAH ticket fares go up or down.
What is the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
September is typically the cheapest month to fly from Philadelphia International Airport (PHL) to George Bush Intercontinental (IAH), with average return fares around £230. September often sees lower prices as it falls outside of peak summer travel and before the holiday season, when demand tends to decrease. Other budget-friendly months to consider for this route include May and August.
Which airlines fly direct from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are 3 airlines offering direct flights from Philadelphia Intl. (PHL) to George Bush Intercontinental (IAH). These include:
  • American Airlines operates 27 direct flights from Philadelphia Intl. (PHL) to George Bush Intercontinental (IAH) every week.
  • United operates 24 direct flights from Philadelphia Intl. (PHL) to George Bush Intercontinental (IAH) every week.
  • Frontier Airlines operates 7 direct flights from Philadelphia Intl. (PHL) to George Bush Intercontinental (IAH) every week.
How do I find cheap flights from Philadelphia, PA (PHL) to Houston, TX (IAH)?
To find a cheap flight from Philadelphia, PA (PHL) to Houston, TX (IAH), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly from Philadelphia International Airport (PHL) to George Bush Intercontinental (IAH) is typically September or August. These months offer a great balance, with prices around £230 for a return flight.
What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) typically departs at around 5:00 AM local time. This service is operated by American Airlines. This is a seasonal service active in June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A non-stop flight from Philadelphia International Airport (PHL) to George Bush Intercontinental (IAH) typically takes around 3 hours 48 minutes. This route covers a distance of approximately 2,129 kilometres. If you opt for a one-stop flight, your journey will usually be longer, taking about 6 hours 48 minutes. Flights with two or more stops will add even more travel time, typically around 8 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Philadelphia, PA (PHL) to Houston, TX (IAH)?
Select the "Business class" and "First class" filters when looking for Philadelphia, PA (PHL) to Houston, TX (IAH) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (IAH) from Philadelphia, PA (PHL)?
If you're planning to travel to Houston from Philadelphia Intl. (PHL), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or Logan Intl. (BOS) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia, PA (PHL) to Houston, TX (IAH)?
If you booked your Philadelphia, PA (PHL) to Houston, TX (IAH) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£287
Distance
2117 km
Average flight time
2 hours 38 mins

Book with confidence

Compare flights from Philadelphia to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to Houston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George Bush Intercontinental in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to George Bush Intercontinental.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Philadelphia Intl. (PHL) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from Philadelphia to Houston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to George Bush Intercontinental start at just £288 and range up to £451.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philadelphia and Houston
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philadelphia to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to George Bush Intercontinental for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Philadelphia to Houston easily and book with confidence

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*Available to Expedia members.