Cheap Flights from Philadelphia to Houston

Compare Philadelphia to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from Philadelphia to Houston

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Houston? Find the lowest prices on one-way and return tickets right here.
Map with a flight path from Philadelphia to Houston. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest dealR 1,460
Cheapest monthDecember
Average flight duration3 hours and 55 minutes
Most popular airlineUnited

Find the cheapest month to fly from Philadelphia to Houston

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

Direct flights from Philadelphia to Houston

Alternative Philadelphia to Houston routes

Looking for the cheapest, fastest or easiest route from Philadelphia to Houston? You could fly into the following airports instead.

Finding cheap flights from Philadelphia to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Philadelphia to Houston is R 1,460. 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.
Currently, there are no airlines that fly direct from Philadelphia to Houston. But we found flights with one or more stops from R 1,460.
As of November 2025, there are no flights flying from Philadelphia to Houston.
The cheapest month to fly from Philadelphia to Houston is usually December.
If you're flying from Philadelphia, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from R 1,460.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Houston on Tuesday, 9 December 2025.
No airlines currently offer direct flights between Philadelphia and Houston. Most routes have one or more stops.
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 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.
In November, the average temperature is usually around 17°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
The cheapest airline that flies to Houston is Spirit Airlines. And the cheapest airline that flies to Houston George Bush Intercntl. Airport is Frontier Airlines.

Flying from Philadelphia to Houston: what you need to know

  • Countless great adventures start at one of Philadelphia's main airports, Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN). Explore your options for booking a flight from Philadelphia to Houston leaving from either of these.

  • When it comes to arriving in Houston, George Bush Intercontinental Airport (IAH) is a key hub. William P. Hobby Airport (HOU) is another.

  • The average duration of a direct Philadelphia to Houston flight is 3 hours 40 minutes.

  • The timezone in Houston is UTC-5, which is one hour behind Philadelphia.

  • The most popular route for flights from Philadelphia to Houston is from Philadelphia International Airport (PHL) to George Bush Intercontinental Airport (IAH). There are 37 weekly services between these two airports. If you'd like to maximise your time on arrival, the earliest flight from PHL to IAH is the 06:00 United Airlines option. If you prefer travelling later, the last available departure is at 18:53 with American Airlines.

  • To ensure you board your Philadelphia to Houston flight, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is a good rule of thumb.

  • You can expect bigger queues during popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

How to find the cheapest flights from Philadelphia to Houston

  • At the moment, R 718 is the best price we've found for a one-way ticket from Philadelphia to Houston. The cheapest price for a return flight is R 1,460. Keep in mind fares can change due to availability at the time of booking.

  • Book three months before you want to travel. Research into pricing trends suggests this is the ideal window for finding cheap Philadelphia to Houston flights.

  • The best month for scoring cheap plane tickets from Philadelphia to Houston is June. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.

  • Locking in a cheap flight from Philadelphia to Houston couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a better deal is available.

  • Save money on your Philadelphia to Houston flight with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Flying from Philadelphia

Philadelphia International Airport (PHL)

  • You can get a direct flight from Philadelphia to Houston leaving from Philadelphia International Airport (PHL). Start your trip at PHL and arrive at George Bush Intercontinental Airport (IAH).

  • You can choose from various airlines offering direct Philadelphia to Houston plane tickets with departures from PHL, including:

  • Located around 11 kilometres from central Philadelphia, PHL can be reached in about 15 minutes by car, depending on traffic. The journey on public transport will take roughly 45 minutes.

  • Need a handy hotel close to Philadelphia International Airport? If you've booked an early flight from Philadelphia to Houston, these accommodation options will have you nice and close to your departure gate:

  • When it comes to Philadelphia International Airport's on-time performance, data shows 78.93% of flights meet their scheduled arrival time.

  • The address for PHL is 8500 Essington Ave.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • Central Houston is approximately 16 kilometres from William P. Hobby Airport (HOU). After your flight from Philadelphia to Houston has hit the runway and you've made your way to arrivals, expect a drive of about 20 minutes.

  • If you travel by public transport, you'll reach the centre in 1 hour 40 minutes or so.

  • After your flight from Philadelphia to Houston, tuck yourself in at a hotel close to HOU. These are some great options that'll help you get into relaxation mode:

  • Easirent, Dollar and Thrifty make picking up a William P. Hobby Airport rental car simple. These suppliers are located around or in the terminal and will have you on the road before long.

  • Get exactly what you want. Booking your ride from HOU four weeks in advance often means better deals and a wider choice of vehicles.

  • William P. Hobby Airport is located at 7800 Airport Boulevard.

Best time to go to Houston

  • It's time to plan your travel dates for your flight from Philadelphia to Houston. July is the most popular month for a trip to Houston. If you like a quieter vibe, go in February.

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

  • If you like travelling in cooler conditions, look for a cheap flight from Philadelphia to Houston in January when temperatures average between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

Explore more of United States

  • San Antonio is just one of the many cities in United States waiting to be discovered once you've seen Houston. Around 306 kilometres to the west, popular attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another standout destination in United States and is around 370 kilometres north of Houston. No trip is complete without seeing Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

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