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

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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? If you want to travel next month, return fares start from $179. Find the lowest prices on one-way and return tickets right here.
Houston.$179 per passenger.Departing Wed, 19 Aug, returning Sat, 29 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 19 Aug, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 29 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $179, select.
Houston.$179 per passenger.Departing Wed, 19 Aug, returning Wed, 9 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 19 Aug, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 9 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $179, select.
Houston.$182 per passenger.Departing Tue, 1 Sep, returning Wed, 9 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 1 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 9 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $182, select.
Houston.$248 per passenger.Departing Thu, 30 Jul, returning Sat, 8 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Jul, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 8 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $248, select.
Houston.$273 per passenger.Departing Wed, 23 Sep, returning Wed, 30 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 23 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 30 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $273, select.
Houston.$273 per passenger.Departing Sat, 3 Oct, returning Wed, 14 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 3 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 14 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $273, select.
Houston.$273 per passenger.Departing Sat, 26 Sep, returning Sat, 3 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 26 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 3 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $273, select.
Houston.$284 per passenger.Departing Thu, 30 Jul, returning Fri, 31 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Jul, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Fri, 31 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $284, select.
Houston.$330 per passenger.Departing Sat, 5 Dec, returning Sat, 12 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sat, 5 Dec, arriving in Houston Hobby.Inbound indirect flight with Southwest Airlines, departs from Houston Hobby on Sat, 12 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $330, select.
Houston.$332 per passenger.Departing Thu, 5 Nov, returning Tue, 1 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 5 Nov, arriving in Houston Hobby.Inbound indirect flight with Southwest Airlines, departs from Houston Hobby on Tue, 1 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $332, select.
Houston.$339 per passenger.Departing Wed, 28 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 28 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 2 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $339, select.
Houston.$360 per passenger.Departing Wed, 11 Nov, returning Wed, 18 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 11 Nov, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 18 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $360, select.
Houston.$367 per passenger.Departing Fri, 23 Oct, returning Thu, 5 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 23 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 5 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $367, select.
Houston.$367 per passenger.Departing Sat, 18 Jul, returning Sat, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia Trenton-Mercer on Sat, 18 Jul, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 3 Oct, arriving in Philadelphia Trenton-Mercer.Price includes taxes and charges.From $367, select.
Houston.$391 per passenger.Departing Thu, 27 Aug, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 27 Aug, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 5 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $391, select.
Houston.$401 per passenger.Departing Tue, 12 Jan, returning Tue, 23 Feb.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Tue, 12 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 23 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $401, select.

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 August.
Jul
from $284
Aug
from $179
Sep
from $182
Oct
from $273
Nov
from $360
Dec
from $330
Jan
from $402
Feb
from $460
Mar
from $402
Apr
from $459
May
from $546
Jun
Find prices

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.

Houston Hobby

15km from central Houston
Closest
from $287
Search flights

Houston George Bush Intercntl.

25km from central Houston
Cheapest
from $179
Search flights

Houston Ellington Field

28km from central Houston
Search flights

Philadelphia to Houston: Flight information

The things to know before you go.
Cheapest flight found$179
Cheapest month to flyAugust
Average flight time3 hrs, 50 mins
Most popular airlineAmerican Airlines
Average flights per week109

Finding cheap flights from Philadelphia to Houston: Frequently asked questions

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.
The best price we found for a return flight from Philadelphia to Houston is $178. 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 50 minutes is the average flight time from Philadelphia to Houston.
American Airlines, Qatar Airways and United fly direct from Philadelphia to Houston.
As of July 2026, there are 436 flights per week flying from Philadelphia to Houston.
The cheapest month to fly from Philadelphia to Houston is usually August.
If you're flying from Philadelphia, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 24.9 km away from the centre of Houston. We've found flights into this airport from $178.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Houston on Wednesday, 19 August 2026.
Yes – the average flight time is 3 hours and 50 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 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 July, the average temperature is usually around 29°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 Frontier Airlines .

Flying from Philadelphia to Houston: what you need to know

  • Your next exciting journey begins at one of Philadelphia's main airports, Philadelphia International Airport (PHL) or Philadelphia Trenton-Mercer Airport (TTN). Explore your options for booking a flight from Philadelphia to Houston taking off from either of these.

  • When it comes to arriving in Houston, Houston George Bush Intercntl. Airport (IAH) is a primary hub. Another is Houston Hobby Airport (HOU).

  • Around 3 hours 45 minutes is how long you'll be in transit on a direct Philadelphia to Houston flight.

  • Houston is one hour behind Philadelphia and follows the UTC-6 timezone.

  • The busiest route for flights from Philadelphia to Houston is Philadelphia International Airport (PHL) to Houston George Bush Intercntl. Airport (IAH). You'll find 39 services between these two airports every week.

  • To ensure you board your Philadelphia to Houston flight, leave enough time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • You'll likely experience bigger queues in popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

How to find the cheapest flights from Philadelphia to Houston

  • The cheapest price we've found for a one-way ticket from Philadelphia to Houston is $86. For a return flight on this route, the best price is $179. Depending on when you book and the availability, these fares may change.

  • Score cheap Philadelphia to Houston flights by booking one month ahead. According to our research, that's the ideal time for finding the biggest deals.

  • June is the best month for nabbing an incredible deal on a plane ticket from Philadelphia to Houston. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Spend less time searching for cheap flights from Philadelphia to Houston by setting up a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

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

Flying from Philadelphia

Philadelphia International Airport (PHL)

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

  • Pick from a variety of airlines that offer direct Philadelphia to Houston plane tickets out of PHL. Let one of these carriers take you there:

  • PHL is about 11 kilometres from central Philadelphia. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 30 minutes.

  • Want an easy start to your trip? Stay near Philadelphia International Airport. Whether you're boarding an early flight from Philadelphia to Houston or just don't want to be rushed, these hotels have you covered:

  • 77% of flights that depart Philadelphia International Airport arrive at their destination on schedule.

  • You'll find PHL at 8500 Essington Ave.

Arriving in Houston

Houston George Bush Intercntl. Airport (IAH)

Houston Hobby Airport (HOU)

  • Once your flight from Philadelphia to Houston has arrived, you can reach the city centre in about 20 minutes by car. Central Houston is roughly 16 kilometres from Houston Hobby Airport (HOU).

  • The trip will take roughly 50 minutes on public transport.

  • There are some great places to lay your head close to HOU. Kick back after your Philadelphia to Houston flight at one of these well-located options:

  • Forget about public transport timetables or long taxi queues. Pick up a Houston Hobby Airport rental car and go in any direction that inspires you. Check out the rates and availability from Easirent, Dollar and Thrifty.

  • Avoid last-minute price surges. Reserving your ride four weeks ahead of your arrival at HOU can land you a better rate.

  • The address for Houston Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • July is the most popular month for flights from Philadelphia to Houston. To travel when it's less crowded, head to Houston in September.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Book your Philadelphia to Houston ticket then if you enjoy this type of weather.

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Look for cheap flights from Philadelphia to Houston around that time if you like cooler conditions.

More about Houston

Explore more of the United States

  • San Antonio is just one of the many places in the United States waiting to be discovered once you've seen the sights of Houston. Around 306 kilometres to the west, popular attractions include San Antonio River Walk, Selena Quintanilla Mural and Historic Market Square.

  • If you want to check out another great destination in the United States, head for Dallas, about 370 kilometres north of Houston. Dallas Symphony Orchestra at Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are the start of reasons to visit.

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