Cheap Flights from Houston to Philadelphia International

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Flight deals from Houston to Philadelphia International Airport

Looking for a cheap last-minute deal or the best return flight from Houston to Philadelphia International Airport? If you want to travel next month, return fares start from ر.ق.‏ 464. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Philadelphia International

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

Direct flights from Houston to Philadelphia International

Houston to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 241
Cheapest month to flyApril
Average flight time3 hrs, 24 mins
Most popular airlineAmerican Airlines
Average flights per week111

Finding cheap flights from Houston to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Houston to Philadelphia International is ر.ق.‏ 464. 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 24 minutes is the average flight time from Houston to Philadelphia International.
American Airlines, United and Qatar Airways fly direct from Houston to Philadelphia International.
As of March 2026, there are 111 flights per week flying from Houston to Philadelphia International.
The cheapest month to fly from Houston to Philadelphia International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Philadelphia International Airport on Thursday, 9 April 2026.
Yes – the average flight time is 3 hours and 24 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 International 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.
The cheapest airline that flies to Philadelphia International is Frontier Airlines .

Travelling from Houston to Philadelphia International Airport (PHL): What you need to know

  • Start your journey at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to Philadelphia International Airport (PHL) jetting off from either of these.

  • 3 hours 20 minutes is the average journey time for a direct Houston to Philadelphia International Airport flight.

  • The timezone in Philadelphia is UTC-4, which is one hour ahead of Houston. Philadelphia International Airport is located in Philadelphia.

  • With 36 direct flights a week between the two airports, George Bush Intercontinental Airport (IAH) to Philadelphia International Airport (PHL) is the most popular route. American Airlines operates the earliest flight at 6am. If you're eager to get more out of your day before jetting off, the last departure from IAH to PHL is with Spirit Airlines at 8:35pm.

  • To ensure you get on your flight from Houston to PHL, leave enough time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • With more people on the move during peak seasons, aim to get to your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • George Bush Intercontinental Airport (IAH) provides a hassle-free way to reach your destination. Nonstop flights from Houston to Philadelphia International Airport (PHL) operate out of this terminal.

  • Leading airlines that operate direct flights from Houston to Philadelphia International Airport leaving from IAH include:

  • The preferred airline for passengers flying between IAH and PHL is United Airlines.

  • With an impressive 85.71% of services landing on schedule, Spirit Airlines ranks as the most on-time carrier flying this route.

  • The journey from central Houston to IAH takes about 50 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 27 kilometres in 20 minutes or so, depending on traffic.

  • Planning to catch an early flight from Houston to Philadelphia International Airport? Avoid the hassle of rushing to the terminal (and get a little more snooze time) by staying at one of these hotels close to George Bush Intercontinental Airport:

  • Of all flights leaving George Bush Intercontinental Airport, 78.42% land on time at their destination.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

About Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • The centre of Philadelphia is about 11 kilometres from Philadelphia International Airport. Travel times by car hire or cab will vary depending on time of day, so do a little research ahead of time.

  • When travelling by public transport, expect a journey of roughly 45 minutes.

How to find the cheapest flights from Houston to Philadelphia International Airport (PHL)

  • ر.ق.‏ 241 is currently the lowest price for a one-way ticket from Houston to Philadelphia International Airport. A return flight starts at ر.ق.‏ 462. These prices may change based on demand and availability.

  • Don't wait until the last minute. You're more likely to find cheap flights from Houston to PHL if you book in advance. Airlines often have some excellent early bird rates.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price across the month when searching for your Houston to Philadelphia International Airport ticket.

  • Save time looking for cheap flight tickets from Houston to PHL by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Filters make it easier to save some cash on your flight from Houston to Philadelphia International Airport. Choose the airlines, flight times and number of stops that match your plans. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Houston to Philadelphia International Airport (PHL)

  • August is the most popular month for flights from Houston to Philadelphia International Airport (PHL). Plan your visit to Philadelphia in February for a more low-key escape.

  • Lock in a Houston to PHL flight ticket departing in July if you want to experience the city during its warmest month. Expect temperatures in Philadelphia to range from 18ºC to 32ºC.

  • January sees temperatures of between -7ºC and 9ºC. Look for cheap tickets from Houston to Philadelphia International Airport around that time if you like cooler conditions.

More about Philadelphia

Explore more of the United States

  • New York is just one of the many places in the United States waiting to be explored once you've seen the sights of Philadelphia. Around 137 kilometres away to the north-east, popular attractions include Central Park, Manhattan Skyline and Statue of Liberty.

  • If you want to check out another side of the United States, consider Baltimore, about 137 kilometres south-west of Philadelphia. Baltimore Aquarium, National Aquarium and Washington Monument and Mount Vernon Place are among the biggest draws.

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