Cheap Flights from Philadelphia to Houston George Bush Intercntl.

Compare Philadelphia to Houston George Bush Intercntl. flight deals

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Flight deals from Philadelphia to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia to Houston George Bush Intercntl. Airport? If you want to travel next month, round-trip fares start from AED 750. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Philadelphia to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Houston George Bush Intercntl. flights are currently cheapest in June.

Direct flights from Philadelphia to Houston George Bush Intercntl.

Philadelphia to Houston George Bush Intercntl.: Alternative routes

Compare routes from Philadelphia to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Philadelphia to Houston: Flight information

The things to know before you go.
Cheapest flight foundAED 338
Cheapest month to flyJune
Average flight time3 hrs, 46 mins
Most popular airlineAmerican Airlines
Average flights per week228

Finding cheap flights from Philadelphia to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a round-trip flight from Philadelphia to Houston George Bush Intercntl. is AED 708. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 46 minutes is the average flight time from Philadelphia to Houston George Bush Intercntl..
American Airlines, United and Air New Zealand fly direct from Philadelphia to Houston George Bush Intercntl..
There are 114 flights per week flying from Philadelphia to Houston George Bush Intercntl., as of May 2026.
The cheapest month to fly from Philadelphia to Houston George Bush Intercntl. is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Houston George Bush Intercntl. Airport on Tuesday, August 25, 2026.
Yes – the average flight time is 3 hours and 46 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Houston George Bush Intercntl. is Frontier Airlines.

Traveling from Philadelphia to George Bush Intercontinental Airport (IAH): What you need to know

  • Start your trip planning by looking up the most convenient departure point for your flight from Philadelphia to George Bush Intercontinental Airport (IAH). Explore the options for taking off from Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN), the city's main airports.

  • The average time for a direct Philadelphia to George Bush Intercontinental Airport flight is 3 hours 40 minutes.

  • George Bush Intercontinental Airport is located in Houston. The city runs on the UTC-5 timezone and is one hour behind Philadelphia.

  • With 37 direct flights a week between the two airports, Philadelphia International Airport (PHL) to George Bush Intercontinental Airport (IAH) is the busiest route. United Airlines operates the earliest flight at 6am. If you prefer to make the most of your day before leaving, the latest departure from PHL to IAH is with American Airlines at 6:53pm.

  • To ensure you catch your flight from Philadelphia to IAH, leave plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Planning to travel during a peak time like a public holiday? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • You can book a direct flight from Philadelphia to George Bush Intercontinental Airport (IAH) leaving from Philadelphia International Airport (PHL).

  • Popular airlines that have direct flights from Philadelphia to George Bush Intercontinental Airport out of PHL include:

  • The top choice among passengers flying between PHL and IAH is United Airlines.

  • The carrier with the most consistent on-time arrival rate on this route is United Airlines.

  • PHL is about 19 kilometers from central Philadelphia. If you're catching a cab, driving or ride-sharing from the center, it'll take you 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 45 minutes.

  • Looking for a comfortable hotel near Philadelphia International Airport? If you're catching an early flight from Philadelphia to George Bush Intercontinental Airport, these stays will have you sleeping moments from check-in:

  • When it comes to Philadelphia International Airport's on-time performance, 78.93% of flights arrive within the expected time frame.

  • PHL's address is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • TTN is around 56 kilometers from central Philadelphia. It'll take 40 minutes or so to get to the airport if you're driving from the city center. Public transport takes roughly 1 hour 45 minutes.

  • Want to treat yourself to an extra night away before catching your Philadelphia to IAH flight? Relax in a hotel near Trenton-Mercer Airport before your vacation officially begins. These stays are expecting you:

  • Flights from Trenton-Mercer Airport are known for their punctuality, with 82.45% of them landing within the expected time frame.

  • You'll find TTN at Scotch Road, Terminal Building.

About George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • George Bush Intercontinental Airport to central Houston is about 21 kilometers. If you're taking a cab or renting a car, plan in advance to make your trip as smooth as possible. Journey times will vary based on traffic and the time of day.

  • It'll take around 50 minutes when traveling by public transport.

How to find the cheapest flights from Philadelphia to George Bush Intercontinental Airport (IAH)

  • Currently, AED 338 is the lowest price we've found for a one-way ticket from Philadelphia to George Bush Intercontinental Airport. The cheapest price for a return flight is AED 708. Keep in mind fares may change due to availability at the time of booking.

  • Book one month before flying. Pricing trends show that this is the ideal window for finding cheap flights from Philadelphia to IAH.

  • June is when you're most likely to find a good deal on a Philadelphia to George Bush Intercontinental Airport ticket. If you want to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Snapping up a cheap flight ticket from Philadelphia to IAH is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Find an affordable flight from Philadelphia to George Bush Intercontinental Airport by using the search filters. Choose your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Philadelphia to George Bush Intercontinental Airport (IAH)

  • July is the most popular month for flights from Philadelphia to George Bush Intercontinental Airport (IAH). Visit Houston in February for a more laid-back experience.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Book your Philadelphia to IAH flight ticket then if that's your idea of comfortable weather.

  • If you like cooler conditions, look for a cheap ticket from Philadelphia to George Bush Intercontinental Airport in January when temperatures are between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

Explore more of the United States

  • You've visited Houston, now it's time to discover more of the United States. Travel about 241 kilometers west to Austin to check off its popular sights. From Texas State Capitol to Central Park and Austin Museum of Art, Downtown, there's plenty to keep you busy.

  • If there's time to check out another major stop in the United States, consider Corpus Christi, about 306 kilometers south-west of Houston. Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.