$57 Flights from Houston George Bush Intercntl. (IAH) to Philadelphia International (PHL)

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Flight deals from Houston George Bush Intercntl. to Philadelphia International

Looking for a cheap last-minute deal or the best round-trip flight from Houston George Bush Intercntl. to Philadelphia International? Find the lowest prices on one-way and round-trip tickets right here.

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

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Houston George Bush Intercntl. Airport to Philadelphia International Airport flight prices forecast over the next 12 months.
Cheapest month:February
Most expensive month:December

Direct flights from Houston George Bush Intercntl. to Philadelphia International

Houston to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$57
Cheapest month to flyFebruary
Average flight time3 hrs, 20 mins
Most popular airlineAmerican Airlines
Average flights per week134

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

The best price we found for a round-trip flight from Houston George Bush Intercntl. to Philadelphia International is $108. 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 20 minutes is the average flight time from Houston George Bush Intercntl. to Philadelphia International.
American Airlines, United and Qatar Airways fly direct from Houston George Bush Intercntl. to Philadelphia International.
There are 130 flights per week flying from Houston George Bush Intercntl. to Philadelphia International, as of January 2026.
The cheapest month to fly from Houston George Bush Intercntl. to Philadelphia International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Philadelphia International Airport on Saturday, February 7, 2026.
Yes – the average flight time is 3 hours and 20 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.
Currently, Spirit Airlines and Frontier Airlines offer the cheapest flight tickets to Philadelphia International.

Traveling from George Bush Intercontinental Airport (IAH) to Philadelphia International Airport (PHL): what you need to know

  • Around 3 hours 20 minutes is how long you'll be traveling on a direct flight from George Bush Intercontinental Airport to Philadelphia International Airport.

  • Philadelphia is one hour ahead of Houston and follows the UTC-4 timezone.

  • Flights from IAH to PHL start at 05:10 — the first with Spirit Airlines. The latest departure is at 20:50 with Spirit Airlines. In total, there are 52 weekly George Bush Intercontinental Airport to Philadelphia International Airport flights.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your IAH to PHL flight.

  • During popular months such as July, it's a good idea to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a high season in general.

  • With direct flights from George Bush Intercontinental Airport to Philadelphia International Airport available through various airlines, flying to Philadelphia (and then other parts of United States) is a snap. You can travel nonstop with these carriers:

  • The airline with the highest number of bookings on this route is American Airlines.

  • Spirit Airlines is the most punctual carrier that operates IAH to PHL flights. A dependable 85.71% of its departures on this route arrive without delay.

  • If you want to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from George Bush Intercontinental Airport to Philadelphia International Airport. These are the most popular stopovers between IAH and PHL:

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Washington Dulles International Airport

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

  • $57 is the lowest price for a one-way George Bush Intercontinental Airport to Philadelphia International Airport flight. A return flight starts at $108. These prices can change depending on availability and demand.

  • To pick up cheap tickets from IAH to PHL, reserve your trip six months before your departure.

  • The cheapest month for flights from George Bush Intercontinental Airport to Philadelphia International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from IAH to PHL.

  • Find the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from George Bush Intercontinental Airport to Philadelphia International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • The address for PHL is Industrial Highway and Island Road.

  • Philadelphia International Airport to the center of Philadelphia has a drive time of about 15 minutes. It's approximately 12 miles away.

  • It typically takes 45 minutes to get there using public transport.

When to fly to Philadelphia International Airport (PHL)

  • It's time to work out your travel dates for your flight from George Bush Intercontinental Airport to Philadelphia International Airport. August is the busiest month to head to Philadelphia. If you're after a more low-key vibe, go in February.

  • When booking your flight from George Bush Intercontinental Airport to Philadelphia International Airport, think about the kind of weather you enjoy. July is the warmest month in Philadelphia, with the temperature ranging from 64ºF to 90ºF.

  • January has average temperatures of between 19ºF and 48ºF. Search for cheap tickets from IAH to PHL around that time if you'd rather travel in cooler conditions.

Explore more of United States

  • You've seen Philadelphia, now it's time to explore other corners of United States. Travel around 80 miles north-east to New York to check off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • Boston is another essential stop in United States and is around 270 miles north-east of Philadelphia. No journey is complete without a visit to Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

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