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Cheap Flights from Houston (HOUA) to Philadelphia (PHL)

Compare Houston to Philadelphia International flight deals

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

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Flight deals from Houston to Philadelphia International

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 $376. Find the lowest prices on one-way and return tickets right here.
Philadelphia.$340 per passenger.Departing Thu, 13 Aug, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 13 Aug, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 18 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $340, select.
Philadelphia.$370 per passenger.Departing Thu, 12 Nov, returning Tue, 17 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 12 Nov, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 17 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $370, select.
Philadelphia.$375 per passenger.Departing Tue, 7 Jul, returning Wed, 29 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 7 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 29 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $375, select.
Philadelphia.$375 per passenger.Departing Wed, 24 Jun, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 24 Jun, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 7 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $375, select.
Philadelphia.$376 per passenger.Departing Wed, 16 Sep, returning Wed, 23 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 16 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 23 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $376, select.
Philadelphia.$376 per passenger.Departing Tue, 23 Jun, returning Wed, 24 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 23 Jun, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 24 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $376, select.
Philadelphia.$377 per passenger.Departing Wed, 29 Jul, returning Tue, 4 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 29 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 4 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $377, select.
Philadelphia.$377 per passenger.Departing Fri, 28 Aug, returning Fri, 4 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Fri, 28 Aug, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 4 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $377, select.
Philadelphia.$381 per passenger.Departing Wed, 24 Jun, returning Sat, 27 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 24 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 27 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $381, select.
Philadelphia.$387 per passenger.Departing Tue, 7 Jul, returning Wed, 15 Jul.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Houston George Bush Intercntl. on Tue, 7 Jul, arriving in Philadelphia International.Inbound direct flight with American Airlines departs from Philadelphia International on Wed, 15 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $387, select.
Philadelphia.$388 per passenger.Departing Wed, 9 Sep, returning Wed, 16 Sep.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 9 Sep, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Wed, 16 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $388, select.
Philadelphia.$388 per passenger.Departing Wed, 12 Aug, returning Tue, 18 Aug.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 12 Aug, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Tue, 18 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $388, select.
Philadelphia.$388 per passenger.Departing Sat, 27 Jun, returning Sat, 4 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 27 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 4 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $388, select.
Philadelphia.$390 per passenger.Departing Tue, 27 Oct, returning Tue, 3 Nov.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 27 Oct, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Tue, 3 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $390, select.
Philadelphia.$390 per passenger.Departing Sat, 22 Aug, returning Wed, 4 Nov.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 22 Aug, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Wed, 4 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $390, select.
Philadelphia.$402 per passenger.Departing Wed, 30 Dec, returning Wed, 13 Jan.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 30 Dec, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Wed, 13 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $402, select.

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 August.
May
from $628
Jun
from $376
Jul
from $375
Aug
from $340
Sep
from $376
Oct
from $409
Nov
from $370
Dec
from $409
Jan
from $411
Feb
Find prices
Mar
Find prices
Apr
from $417

Direct flights from Houston to Philadelphia International

Houston to Philadelphia International: Alternative routes

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

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from $340
Search flights

Blue Bell

22km from central Philadelphia
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Philadelphia Trenton-Mercer

47km from central Philadelphia
from $347
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Greater Wilmington

49km from central Philadelphia
from $991
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Atlantic City International

75km from central Philadelphia
Search flights

Allentown

81km from central Philadelphia
from $416
Search flights

Houston to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$340
Cheapest month to flyAugust
Average flight time3 hrs, 27 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 $340. 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 27 minutes is the average flight time from Houston to Philadelphia International.
American Airlines, United and British Airways fly direct from Houston to Philadelphia International.
As of May 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 August.
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, 13 August 2026.
Yes – the average flight time is 3 hours and 27 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

  • Your next big escape starts at Houston's main airport, Houston George Bush Intercontinental Airport (IAH). Check out your options for reserving a flight from Houston to Philadelphia International Airport (PHL) departing from this base.

  • Jump on a direct Houston to Philadelphia International Airport flight and you'll be in the air for around 3 hours 20 minutes.

  • Philadelphia is one hour ahead of Houston. Philadelphia International Airport is located in Philadelphia, which is in the UTC-5 timezone.

  • Pick from 38 direct services each week between Houston George Bush Intercontinental Airport (IAH) and Philadelphia International Airport (PHL). This is the most popular route when departing from Houston.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your flight from Houston to PHL.

  • Popular months like July or high seasons such as spring break and Christmas will mean longer queues at check-in and security. If you're travelling then, play it safe and get to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart idea.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • Houston George Bush Intercontinental Airport (IAH) makes it easy to travel directly to your destination. Nonstop flights from Houston to Philadelphia International Airport (PHL) take off from this terminal.

  • You'll have your pick of carriers that operate direct flights from Houston to Philadelphia International Airport departing from IAH. Head off on your trip with any of these:

  • United is the most frequently chosen airline for flights from IAH to PHL.

  • United shines when it comes to on-time performance. An impressive 84.06% of its services on this route complete the journey on schedule.

  • IAH is about 40 kilometres from central Houston. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 30 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 1 hour 10 minutes.

  • Searching for a convenient hotel near Houston George Bush Intercontinental Airport? If you've booked an early flight from Houston to Philadelphia International Airport, these accommodation options will put you moments from your departure gate:

  • When it comes to Houston George Bush Intercontinental Airport's on-time performance, 79% of flights arrive within the scheduled time frame.

  • IAH's address is 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

About Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • Central Philadelphia is around 18 kilometres from Philadelphia International Airport and takes about 20 minutes to reach by car. Work out your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • It takes around 30 minutes if you're travelling on public transport.

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

  • $139 is currently the best price for a one-way ticket from Houston to Philadelphia International Airport. A return flight starts from $340. These fares may change depending on availability and demand.

  • To find cheap flights from Houston to PHL, book ahead. Airlines tend to offer lower prices when tickets first go on sale.

  • The 'Whole month' tool shows you the cheapest Houston to Philadelphia International Airport tickets throughout the month. It's a good way to find a bargain if your trip dates are flexible.

  • Snapping up a cheap plane ticket from Houston to PHL couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when the price has dropped.

  • Tailor your trip using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Houston to Philadelphia International Airport.

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

  • July is the busiest month for flights from Houston to Philadelphia International Airport (PHL). Plan your visit to Philadelphia in December if you'd rather avoid peak season.

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

  • If you like cooler conditions, search for a cheap ticket from Houston to Philadelphia International Airport in January when temperatures are between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • Philadelphia has its own special appeal, but there are so many other corners of the United States waiting to be explored. Around 137 kilometres 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 Metropolitan Museum of Art.

  • If you're eager to discover another great destination in the United States, consider Baltimore, about 137 kilometres southwest of Philadelphia. National Aquarium, Baltimore Aquarium and Washington Monument and Mount Vernon Place are key highlights.

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