Cheap flights from Houston to Philadelphia

Compare Houston to Philadelphia flight deals

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

Book the best Philadelphia fare with no extra fees

Flight deals from Houston to Philadelphia

Looking for a cheap last-minute deal or the best round-trip flight from Houston to Philadelphia? If you want to travel next month, round-trip fares start from $147. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Houston to Philadelphia

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

Direct flights from Houston to Philadelphia

Houston to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$146
Cheapest month to flyJuly
Average flight time3 hrs, 25 mins
Most popular airlineAmerican Airlines
Average flights per week111

Finding cheap flights from Houston to Philadelphia: Frequently asked questions

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a round-trip flight from Houston to Philadelphia is $146. 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 25 minutes is the average flight time from Houston to Philadelphia.
American Airlines, Qatar Airways and United fly direct from Houston to Philadelphia.
There are 444 flights per week flying from Houston to Philadelphia, as of July 2026.
The cheapest month to fly from Houston to Philadelphia is usually July.
If you're flying from Houston, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the center of Philadelphia. We've found flights to this airport from $146.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Philadelphia on Wednesday, July 29, 2026.
Yes – the average flight time is 3 hours and 25 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 Philadelphia 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 Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
The cheapest airline that flies to Philadelphia is Frontier Airlines.

Traveling from Houston to Philadelphia: what you need to know

  • Many great adventures start at one of Houston's main airports, Houston George Bush Intercntl. Airport (IAH) or Houston Hobby Airport (HOU). Explore your options for booking a flight from Houston to Philadelphia taking off from either of these.

  • The major entry paths to Philadelphia are Philadelphia International Airport (PHL) and Philadelphia Trenton-Mercer Airport (TTN).

  • Jump on a direct Houston to Philadelphia flight and you'll be in the air for an average of 3 hours 20 minutes.

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

  • The most popular route for flights from Houston to Philadelphia is Houston George Bush Intercntl. Airport (IAH) to Philadelphia International Airport (PHL). There are 39 services that connect the two airports every week.

  • Leave enough time to catch your Houston to Philadelphia flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as July? School holidays and other high seasons can mean longer lines at check-in and security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Houston to Philadelphia

  • To pick up cheap Houston to Philadelphia flights, book early. Airlines generally offer lower fares when flights are first released.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' tool. It'll give you the cheapest price in every month when searching for your plane ticket from Houston to Philadelphia.

  • Snapping up a cheap flight from Houston to Philadelphia couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when the price has dropped.

  • Tailor your travel plans using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' Houston to Philadelphia flights.

Flying from Houston

Houston George Bush Intercntl. Airport (IAH)

  • If you're looking for a direct flight from Houston to Philadelphia, you can depart from Houston George Bush Intercntl. Airport (IAH). Fly from IAH to Philadelphia International Airport (PHL) in one seamless trip.

  • Top carriers that offer direct Houston to Philadelphia plane tickets from IAH include:

  • The journey from central Houston to IAH takes about 1 hour 10 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 26 kilometers in 30 minutes or so, depending on traffic conditions.

  • After a hassle-free start to your journey? Stay near Houston George Bush Intercntl. Airport. Whether you have an early flight from Houston to Philadelphia or just don't want to be rushed, these hotels are just the thing:

  • Of the flights that depart from Houston George Bush Intercntl. Airport, 79% touch down on time at their destination.

  • IAH is located at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

Arriving in Philadelphia

Philadelphia International Airport (PHL)

Philadelphia Trenton-Mercer Airport (TTN)

  • Philadelphia Trenton-Mercer Airport (TTN) is about 48 kilometers from central Philadelphia. Once you've disembarked your flight from Houston to Philadelphia, it'll take you approximately 40 minutes to get to the heart of the city in a ride-share or cab.

  • If you're traveling on public transport, it'll take about 1 hour 35 minutes.

  • Place the 'Do not disturb' sign on your door and relax at a hotel close to TTN. Here are a few options where you can kick back after your flight from Houston to Philadelphia:

  • Forget about inconvenient public transport timetables or long cab lines. Pick up a Philadelphia Trenton-Mercer Airport rental car and let your trip unfold on your terms. Check out the rates and availability from Budget, National and Enterprise.

  • Avoid last-minute price surges. Reserving your ride four weeks before your arrival at TTN can get you a lower rate.

  • You can find Philadelphia Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • August is the most popular month for flights from Houston to Philadelphia. To skip the crowds, go to Philadelphia in March.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Lock in your Houston to Philadelphia ticket then if that's your idea of comfortable weather.

  • If you like traveling in cooler conditions, look for a cheap flight from Houston to Philadelphia in January when temperatures average between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • Philadelphia is easy to fall in love with, but there are so many other parts of the United States waiting to be discovered. Around 129 kilometers northeast of Philadelphia, a visit to New York will keep you on the move. Start with leading attractions like Central Park, Statue of Liberty and The Metropolitan Museum of Art.

  • Around 434 kilometers northeast of Philadelphia, Boston is another essential stop in the United States. Get a taste of what this destination has to offer at Museum of Fine Arts, Boston, Freedom Trail and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.