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Cheap flights from Philadelphia to Houston from $126

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:30 pm - 10:39 pm
PHL
-
IAH
7h 09m
1 stop
Frontier Logo
6:00 am - 10:28 pm
IAH
-
PHL
15h 28m
1 stop
$263Frontier
Thu, Jul 9 - Wed, Jul 15
Frontier Logo
6:00 am - 12:19 pm
PHL
-
IAH
7h 19m
1 stop
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$264Frontier
Sun, Jul 5 - Wed, Jul 8
Frontier Logo
4:35 pm - 7:23 am
PHL
-
IAH
15h 48m
1 stop
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$265Frontier
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
4:30 pm - 10:39 pm
PHL
-
IAH
7h 09m
1 stop
Frontier Logo
8:37 pm - 7:20 pm
IAH
-
PHL
21h 43m
2 stops
$266Frontier
Thu, Jul 30 - Sun, Aug 2
Delta Logo
3:55 pm - 9:23 pm
PHL
-
HOU
6h 28m
1 stop
Delta Logo
1:13 pm - 7:58 pm
HOU
-
PHL
5h 45m
1 stop
$299Delta
Sat, Aug 22 - Tue, Sep 1
Southwest Logo
7:15 am - 1:45 pm
PHL
-
HOU
7h 30m
2 stops
Southwest Logo
6:00 am - 12:15 pm
HOU
-
PHL
5h 15m
1 stop
$304Southwest
Tue, Aug 18 - Sat, Aug 22
Southwest Logo
7:55 am - 8:30 pm
PHL
-
HOU
13h 35m
2 stops
Southwest Logo
2:20 pm - 11:55 pm
HOU
-
PHL
8h 35m
1 stop
$310Southwest
Sat, Jul 18 - Sat, Jul 25
Delta Logo
5:16 pm - 9:23 pm
PHL
-
HOU
5h 07m
1 stop
Delta Logo
6:00 am - 1:26 pm
HOU
-
PHL
6h 26m
1 stop
$314Delta
Sat, Aug 29 - Mon, Aug 31
American Airlines Logo
7:09 am - 12:16 pm
PHL
-
HOU
6h 07m
1 stop
American Airlines Logo
6:03 am - 1:02 pm
HOU
-
PHL
5h 59m
1 stop
$327American Airlines
Sat, Jul 18 - Sat, Jul 25
American Airlines Logo
5:00 am - 9:48 am
PHL
-
HOU
5h 48m
1 stop
American Airlines Logo
6:03 am - 1:02 pm
HOU
-
PHL
5h 59m
1 stop
$330American Airlines
Sat, Jul 25 - Mon, Jul 27

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Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Jul 1
PHL4:35 pmPhiladelphia
6h 10m
1 stop
HOU9:45 pmHouston Hobby
Jul 4
HOU8:05 amHouston Hobby
9h 00m
2 stops
PHL6:05 pmPhiladelphia
$304
Southwest
Jul 18
PHL7:55 amPhiladelphia
13h 35m
2 stops
HOU8:30 pmHouston Hobby
Jul 25
HOU2:20 pmHouston Hobby
8h 35m
1 stop
PHL11:55 pmPhiladelphia
$310
Southwest
Aug 22
PHL8:55 amPhiladelphia
6h 20m
1 stop
HOU2:15 pmHouston Hobby
Aug 26
HOU11:25 amHouston Hobby
8h 30m
2 stops
PHL8:55 pmPhiladelphia
$319

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Jul 3
PHL5:15 amPhiladelphia
4h 59m
1 stop
HOU9:14 amHouston Hobby
Jul 3
HOU5:08 pmHouston Hobby
6h 51m
1 stop
PHL12:59 amPhiladelphia
$299
Delta
Aug 29
PHL5:16 pmPhiladelphia
5h 07m
1 stop
HOU9:23 pmHouston Hobby
Aug 31
HOU6:00 amHouston Hobby
6h 26m
1 stop
PHL1:26 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

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 7/9

4:30 pm-10:39 pm

1 stop7h 09m

Houston George Bush Intcntl

Wed 7/15

6:00 am-10:28 pm

1 stop15h 28m

$263

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 7/5

6:00 am-12:19 pm

1 stop7h 19m

Houston George Bush Intcntl

Wed 7/8

8:02 pm-7:15 am

1 stop10h 13m

$264

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 7/3

4:35 pm-7:23 am

1 stop15h 48m

Houston George Bush Intcntl

Tue 7/7

8:02 pm-7:15 am

1 stop10h 13m

$265

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-7:20 pm

2 stops21h 43m

$266

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/22

3:55 pm-9:23 pm

1 stop6h 28m

Houston Hobby

Tue 9/1

1:13 pm-7:58 pm

1 stop5h 45m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 8/18

7:15 am-1:45 pm

2 stops7h 30m

Houston Hobby

Sat 8/22

6:00 am-12:15 pm

1 stop5h 15m

$304

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 7/18

7:55 am-8:30 pm

2 stops13h 35m

Houston Hobby

Sat 7/25

2:20 pm-11:55 pm

1 stop8h 35m

$310
Quickest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/29

5:16 pm-9:23 pm

1 stop5h 07m

Houston Hobby

Mon 8/31

6:00 am-1:26 pm

1 stop6h 26m

$314

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 7/18

7:09 am-12:16 pm

1 stop6h 07m

Houston Hobby

Sat 7/25

6:03 am-1:02 pm

1 stop5h 59m

$327

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 7/25

5:00 am-9:48 am

1 stop5h 48m

Houston Hobby

Mon 7/27

6:03 am-1:02 pm

1 stop5h 59m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

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

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 $357. Try not to purchase tickets in the morning because they tend to be around $386. 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 $335 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).
Search flight deals

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?

  • 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
FrontierPriceFrom $127Free CancellationRating
5.6
2,871 reviews
Search Frontier flights
SouthwestPriceFrom $186Free CancellationRating
7.9
4,243 reviews
Search Southwest flights
JetBluePriceFrom $200Free CancellationRating
7.1
2,996 reviews
Search JetBlue flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,739 reviews
Search American Airlines flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.8
8,421 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.

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