What is the cheapest airline that flies from Philadelphia to Houston?

Southwest, United Airlines, and Delta are the most popular carriers operating from Philadelphia to Houston

How many flights depart from Philadelphia to Houston on average per day?

As of July 2026, there are 9 flights per day flying from Philadelphia to Houston. The most common time of day flights depart is 1:00PM, with 42% of flights taking off in the afternoon.

How many flights depart from Philadelphia to Houston on average per week?

As of July 2026, there are 63 flights per week flying from Philadelphia to Houston. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.

What airlines fly to Houston?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Houston from Philadelphia according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 6 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Houston?

Prices for flights from Philadelphia Airport to Houston were last updated today.

How many operators does momondo search for flights from Philadelphia Airport to Houston?

As of July 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Houston.

How old do you have to be to fly from Philadelphia Airport to Houston?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Houston.

What documentation or ID do you need to fly to Houston?

The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$128 Cheap Flights from Philadelphia to Houston in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Houston?

Prices are currently typical for flights on this route. Typical prices usually range from $249 to $381. The lowest price recently found on this route was $273.

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Find the cheapest flights from Philadelphia to Houston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 10:39 pm

PHL

IAH

7h 09m

1 stop

8:02 pm - 7:15 am

IAH

PHL

10h 13m

1 stop

$273Frontier

Sat, Jul 18 - Wed, Jul 22

5:25 am - 1:45 pm

PHL

HOU

9h 20m

1 stop

12:55 pm - 9:50 pm

HOU

PHL

7h 55m

1 stop

$273Southwest

Thu, Aug 20 - Sun, Aug 23

8:30 am - 7:20 am

PHL

IAH

23h 50m

1 stop

8:37 pm - 10:28 pm

IAH

PHL

24h 51m

2 stops

$274Frontier

Mon, Jul 20 - Tue, Jul 28

2:50 pm - 7:05 pm

PHL

HOU

5h 15m

1 stop

7:20 am - 4:40 pm

HOU

PHL

8h 20m

2 stops

$274Southwest

Wed, Nov 18 - Mon, Nov 23

4:30 pm - 10:39 pm

PHL

IAH

7h 09m

1 stop

8:02 pm - 7:15 am

IAH

PHL

10h 13m

1 stop

$275Frontier

Sat, Jul 18 - Tue, Jul 21

4:30 pm - 10:39 pm

PHL

IAH

7h 09m

1 stop

8:37 pm - 7:15 am

IAH

PHL

33h 38m

2 stops

$276Frontier

Thu, Jul 30 - Sun, Aug 2

4:40 pm - 10:29 pm

PHL

IAH

6h 49m

1 stop

7:44 pm - 5:36 am

IAH

PHL

8h 52m

1 stop

$277Frontier

Mon, Aug 10 - Fri, Sep 11

4:30 pm - 10:29 pm

PHL

IAH

6h 59m

1 stop

3:25 pm - 11:59 pm

IAH

PHL

7h 34m

1 stop

$278Frontier

Thu, Aug 13 - Mon, Sep 7

6:16 am - 8:50 am

PHL

IAH

3h 34mnonstop

7:30 am - 11:58 am

IAH

PHL

3h 28mnonstop

$279United Airlines

Sat, Aug 15 - Tue, Aug 18

5:00 am - 1:55 pm

PHL

HOU

9h 55m

1 stop

10:35 am - 9:50 pm

HOU

PHL

10h 15m

1 stop

$279Southwest

Thu, Jul 30 - Wed, Aug 5

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Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets

Delta

Oct 20

PHL5:25 amPhiladelphia

5h 40m

1 stop

HOU10:05 amHouston Hobby

Nov 3

HOU6:00 amHouston Hobby

6h 16m

1 stop

PHL1:16 pmPhiladelphia

$299

Delta

Aug 5

PHL5:15 amPhiladelphia

5h 35m

1 stop

HOU9:50 amHouston Hobby

Aug 13

HOU10:50 amHouston Hobby

5h 44m

1 stop

PHL5:34 pmPhiladelphia

$314

Delta

Sep 4

PHL3:58 pmPhiladelphia

7h 07m

1 stop

HOU10:05 pmHouston Hobby

Sep 7

HOU5:20 pmHouston Hobby

6h 59m

1 stop

PHL1:19 amPhiladelphia

$329

American Airlines flights from Philadelphia to Houston

Our best American Airlines deals on Philadelphia to Houston flight tickets

American Airlines

Aug 6

PHL8:50 amPhiladelphia

3h 44m

IAH11:34 amHouston George Bush Intcntl

Aug 11

IAH7:15 amHouston George Bush Intcntl

3h 24m

PHL11:39 amPhiladelphia

$294

American Airlines

Aug 15

PHL7:50 pmPhiladelphia

3h 50m

IAH10:40 pmHouston George Bush Intcntl

Aug 16

IAH7:15 amHouston George Bush Intcntl

3h 24m

PHL11:39 amPhiladelphia

$296

American Airlines

Aug 6

PHL11:00 amPhiladelphia

5h 31m

1 stop

IAH3:31 pmHouston George Bush Intcntl

Aug 11

IAH1:54 pmHouston George Bush Intcntl

3h 25m

PHL6:19 pmPhiladelphia

$304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 7/18

4:30 pm-10:39 pm

1 stop7h 09m

Houston George Bush Intcntl

Wed 7/22

8:02 pm-7:15 am

1 stop10h 13m

$273

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 8/20

5:25 am-1:45 pm

1 stop9h 20m

Houston Hobby

Sun 8/23

12:55 pm-9:50 pm

1 stop7h 55m

$273

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 7/20

8:30 am-7:20 am

1 stop23h 50m

Houston George Bush Intcntl

Tue 7/28

8:37 pm-10:28 pm

2 stops24h 51m

$274

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 11/18

2:50 pm-7:05 pm

1 stop5h 15m

Houston Hobby

Mon 11/23

7:20 am-4:40 pm

2 stops8h 20m

$274

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 7/18

4:30 pm-10:39 pm

1 stop7h 09m

Houston George Bush Intcntl

Tue 7/21

8:02 pm-7:15 am

1 stop10h 13m

$275

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 7/30

4:30 pm-10:39 pm

1 stop7h 09m

Houston George Bush Intcntl

Sun 8/2

8:37 pm-7:15 am

2 stops33h 38m

$276

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 8/10

4:40 pm-10:29 pm

1 stop6h 49m

Houston George Bush Intcntl

Fri 9/11

7:44 pm-5:36 am

1 stop8h 52m

$277

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 8/13

4:30 pm-10:29 pm

1 stop6h 59m

Houston George Bush Intcntl

Mon 9/7

3:25 pm-11:59 pm

1 stop7h 34m

$278

Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 8/15

6:16 am-8:50 am

Nonstop3h 34m

Houston George Bush Intcntl

Tue 8/18

7:30 am-11:58 am

Nonstop3h 28m

$279

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 7/30

5:00 am-1:55 pm

1 stop9h 55m

Houston Hobby

Wed 8/5

10:35 am-9:50 pm

1 stop10h 15m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Philadelphia and Houston?

What is the cheapest month to fly to Houston?

The month of August is, on average, the cheapest month to fly to Houston from Philadelphia, with most prices found around $55. The month of December is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $60.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Philadelphia to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $359. Try not to purchase tickets in the morning because they tend to be around $387. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to Houston flight route?

Fly from Philadelphia to Houston George Bush Intcntl for the best Philadelphia - Houston flight prices

How far in advance should I book a flight from Philadelphia to Houston?

You are more likely to see cheaper flights to Houston from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $338 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Philadelphia for as low as $271 on momondo.

What cabin class options are available on Philadelphia to Houston flights?

There are 4 cabin classes available to choose from on Philadelphia to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Philadelphia to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Houston

Fastest flight time	3h 29m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from Philadelphia to Houston takes 3h 29m

Direct flights go from Philadelphia to Houston every day.

There are 2 airports in Houston. From Philadelphia there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).

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Frequently asked questions about flying from Philadelphia to Houston

How far is Philadelphia to Houston by plane?
There are 1339.5 mi between Philadelphia and Houston. Typically, this will take 3h 29m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Houston?
Prices for flights from Philadelphia Airport to Houston were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Houston?
As of July 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Houston.
How old do you have to be to fly from Philadelphia Airport to Houston?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Philadelphia to Houston

Compare and see reviews for airlines that fly from Philadelphia to Houston with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $125	Free Cancellation	Rating 5.6 2,835 reviews	Search Frontier flights
JetBlue	PriceFrom $200	Free Cancellation	Rating 7.1 3,013 reviews	Search JetBlue flights
Southwest	PriceFrom $210	Free Cancellation	Rating 7.9 4,249 reviews	Search Southwest flights
United Airlines	PriceFrom $232	Free Cancellation	Rating 7.4 9,949 reviews	Search United Airlines flights
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.1 11,783 reviews	Search American Airlines flights
Delta	PriceFrom $238	Free Cancellation	Rating 7.8 8,450 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Houston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Houston flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Houston?

momondo helps you find the best flight between Philadelphia and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Philadelphia and alert you when they change.

An easier way to manage your Houston trip

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Cheap flights from Philadelphia to Houston from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Houston departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets

American Airlines flights from Philadelphia to Houston

Our best American Airlines deals on Philadelphia to Houston flight tickets

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How to get the cheapest flight ticket from Philadelphia to Houston

What is the typical price of a round-trip flight between Philadelphia and Houston?

What is the cheapest month to fly to Houston?

What is the cheapest time of day to depart on your flight to Houston?

What is the cheapest Philadelphia to Houston flight route?

How far in advance should I book a flight from Philadelphia to Houston?

What cabin class options are available on Philadelphia to Houston flights?

What is the cheapest airline that flies from Philadelphia to Houston?

What airlines fly to Houston?

How many flights depart from Philadelphia to Houston on average per day?

How many flights depart from Philadelphia to Houston on average per week?

Cheap Philadelphia to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Houston

Fastest flight time

Direct flights

Airports in Houston

Frequently asked questions about flying from Philadelphia to Houston

Best airlines flying from Philadelphia to Houston

Compare and see reviews for airlines that fly from Philadelphia to Houston with momondo

Why use momondo?

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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