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Cheap flights from Philadelphia to Houston from $120

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 6/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Philadelphia to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 4:23 pm
PHL
-
HOU
11h 53m
1 stop
Delta Logo
6:00 am - 4:10 pm
HOU
-
PHL
9h 10m
1 stop
$225Delta
Sat, Oct 10 - Tue, Oct 13
Frontier Logo
11:00 am - 7:58 pm
PHL
-
IAH
9h 58m
1 stop
Frontier Logo
8:37 pm - 12:27 am
IAH
-
PHL
26h 50m
1 stop
$244Frontier
Wed, Jun 17 - Wed, Jul 8
Frontier Logo
7:20 am - 12:12 pm
PHL
-
IAH
5h 52m
1 stop
Frontier Logo
8:37 pm - 12:27 am
IAH
-
PHL
26h 50m
1 stop
$246Frontier
Wed, Jun 17 - Wed, Jul 8
Frontier Logo
7:00 am - 9:41 am
PHL
-
IAH
3h 41mnonstop
Frontier Logo
8:37 pm - 12:27 am
IAH
-
PHL
26h 50m
1 stop
$250Frontier
Wed, Jun 17 - Wed, Jul 8
Frontier Logo
7:20 am - 12:12 pm
PHL
-
IAH
5h 52m
1 stop
Frontier Logo
8:37 pm - 12:27 am
IAH
-
PHL
26h 50m
1 stop
$252Frontier
Wed, Jul 1 - Wed, Jul 22
Frontier Logo
7:20 am - 12:12 pm
PHL
-
IAH
5h 52m
1 stop
Frontier Logo
8:37 pm - 12:31 am
IAH
-
PHL
26h 54m
1 stop
$253Frontier
Tue, Aug 25 - Wed, Sep 2
Delta Logo
12:09 pm - 4:23 pm
PHL
-
HOU
5h 14m
1 stop
Delta Logo
1:00 pm - 12:21 am
HOU
-
PHL
10h 21m
1 stop
$262Delta
Tue, Oct 6 - Sat, Oct 10
Southwest Logo
2:05 pm - 8:00 pm
PHL
-
HOU
6h 55m
1 stop
Southwest Logo
6:00 am - 1:10 pm
HOU
-
PHL
6h 10m
1 stop
$264Southwest
Fri, Aug 7 - Wed, Aug 19
Southwest Logo
1:10 pm - 7:50 pm
PHL
-
HOU
7h 40m
1 stop
Southwest Logo
7:15 am - 2:40 pm
HOU
-
PHL
6h 25m
1 stop
$271Southwest
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
1:10 pm - 7:50 pm
PHL
-
HOU
7h 40m
1 stop
Southwest Logo
6:00 am - 1:25 pm
HOU
-
PHL
6h 25m
2 stops
$295Southwest
Sat, Aug 15 - Sat, Aug 22

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Aug 7
PHL2:05 pmPhiladelphia
6h 55m
1 stop
HOU8:00 pmHouston Hobby
Aug 19
HOU6:00 amHouston Hobby
6h 10m
1 stop
PHL1:10 pmPhiladelphia
$264
Southwest
Aug 15
PHL1:10 pmPhiladelphia
7h 40m
1 stop
HOU7:50 pmHouston Hobby
Aug 22
HOU7:15 amHouston Hobby
6h 25m
1 stop
PHL2:40 pmPhiladelphia
$271
Southwest
Aug 15
PHL1:10 pmPhiladelphia
7h 40m
1 stop
HOU7:50 pmHouston Hobby
Aug 22
HOU6:00 amHouston Hobby
6h 25m
2 stops
PHL1:25 pmPhiladelphia
$295

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Oct 10
PHL5:30 amPhiladelphia
11h 53m
1 stop
HOU4:23 pmHouston Hobby
Oct 13
HOU6:00 amHouston Hobby
9h 10m
1 stop
PHL4:10 pmPhiladelphia
$225
Delta
Oct 5
PHL5:20 amPhiladelphia
11h 36m
1 stop
IAH3:56 pmHouston George Bush Intcntl
Oct 13
IAH7:15 amHouston George Bush Intcntl
9h 00m
1 stop
PHL5:15 pmPhiladelphia
$245
Delta
Oct 6
PHL12:09 pmPhiladelphia
5h 14m
1 stop
HOU4:23 pmHouston Hobby
Oct 10
HOU1:00 pmHouston Hobby
10h 21m
1 stop
PHL12:21 amPhiladelphia
$262

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 May 30, 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 - HOU

PHLHOU

Philadelphia

Sat 10/10

5:30 am-4:23 pm

1 stop11h 53m

Houston Hobby

Tue 10/13

6:00 am-4:10 pm

1 stop9h 10m

$225

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 6/17

11:00 am-7:58 pm

1 stop9h 58m

Houston George Bush Intcntl

Wed 7/8

8:37 pm-12:27 am

1 stop26h 50m

$244

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 6/17

7:20 am-12:12 pm

1 stop5h 52m

Houston George Bush Intcntl

Wed 7/8

8:37 pm-12:27 am

1 stop26h 50m

$246

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 6/17

7:00 am-9:41 am

Nonstop3h 41m

Houston George Bush Intcntl

Wed 7/8

8:37 pm-12:27 am

1 stop26h 50m

$250

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 7/1

7:20 am-12:12 pm

1 stop5h 52m

Houston George Bush Intcntl

Wed 7/22

8:37 pm-12:27 am

1 stop26h 50m

$252

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 8/25

7:20 am-12:12 pm

1 stop5h 52m

Houston George Bush Intcntl

Wed 9/2

8:37 pm-12:31 am

1 stop26h 54m

$253

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 10/6

12:09 pm-4:23 pm

1 stop5h 14m

Houston Hobby

Sat 10/10

1:00 pm-12:21 am

1 stop10h 21m

$262
Quickest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 8/7

2:05 pm-8:00 pm

1 stop6h 55m

Houston Hobby

Wed 8/19

6:00 am-1:10 pm

1 stop6h 10m

$264

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/15

1:10 pm-7:50 pm

1 stop7h 40m

Houston Hobby

Sat 8/22

7:15 am-2:40 pm

1 stop6h 25m

$271

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/15

1:10 pm-7:50 pm

1 stop7h 40m

Houston Hobby

Sat 8/22

6:00 am-1:25 pm

2 stops6h 25m

$295

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 December is, on average, the cheapest month to fly to Houston from Philadelphia, with most prices found around $20. The month of August is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $55.

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 evening. Our users have found flights to Houston in the evening for as low as $307. Try not to purchase tickets in the morning because they tend to be around $384. 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 $329 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 $245 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
Spirit AirlinesPriceFrom $100Free CancellationRating
6.2
Search Spirit Airlines flights
FrontierPriceFrom $124Free CancellationRating
5.6
2,929 reviews
Search Frontier flights
JetBluePriceFrom $127Free CancellationRating
7.1
2,985 reviews
Search JetBlue flights
SouthwestPriceFrom $171Free CancellationRating
8.0
4,262 reviews
Search Southwest flights
American AirlinesPriceFrom $220Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
9,769 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,415 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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