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Cheap flights from Philadelphia to Houston from $73

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 1/5. 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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0 bags

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Spirit Airlines Logo
6:53 pm - 12:57 amPHL-IAH
7h 04m1 stop
Spirit Airlines Logo
12:50 pm - 11:17 amIAH-PHL
21h 27m2 stops
$168Spirit Airlines
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Mon, Dec 8 - Fri, Dec 12
Multiple Airlines Logo
5:15 am - 10:50 pmPHL-IAH
18h 35m2 stops
Multiple Airlines Logo
6:45 am - 5:31 amIAH-PHL
21h 46m1 stop
$169Multiple Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Multiple Airlines Logo
7:42 pm - 7:04 amPHL-IAH
12h 22m1 stop
Multiple Airlines Logo
7:51 pm - 12:40 amIAH-PHL
27h 49m2 stops
$170Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
5:04 pm - 10:50 pmPHL-IAH
6h 46m1 stop
Frontier Logo
8:07 pm - 12:26 amIAH-PHL
27h 19m2 stops
$171Frontier
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Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
6:00 am - 11:59 pmPHL-IAH
18h 59m2 stops
Multiple Airlines Logo
8:07 pm - 12:40 amIAH-PHL
27h 33m1 stop
$172Multiple Airlines
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Sat, Dec 6 - Mon, Dec 8
Frontier Logo
5:04 pm - 10:50 pmPHL-IAH
6h 46m1 stop
Frontier Logo
7:51 pm - 12:26 amIAH-PHL
27h 35m2 stops
$177Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Southwest Logo
2:05 pm - 6:45 pmPHL-HOU
5h 40m1 stop
Southwest Logo
6:35 am - 2:00 pmHOU-PHL
6h 25m1 stop
$209Southwest
Find Deal
Sat, Dec 13 - Tue, Dec 16
Southwest Logo
8:15 am - 5:15 pmPHL-HOU
10h 00m2 stops
Southwest Logo
10:00 am - 4:35 pmHOU-PHL
5h 35m1 stop
$214Southwest
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Sat, Dec 13 - Tue, Dec 16
Delta Logo
7:06 am - 1:28 pmPHL-HOU
7h 22m1 stop
Delta Logo
10:39 am - 5:02 pmHOU-PHL
5h 23m1 stop
$217Delta
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Sat, Dec 13 - Tue, Dec 16
Delta Logo
5:01 pm - 10:48 pmPHL-HOU
6h 47m1 stop
Delta Logo
6:47 pm - 12:51 amHOU-PHL
5h 04m1 stop
$243Delta
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Wed, Dec 10 - Mon, Dec 15

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Dec 13
PHL2:05 pmPhiladelphia
5h 40m
1 stop
HOU6:45 pmHouston Hobby
Dec 16
HOU6:35 amHouston Hobby
6h 25m
1 stop
PHL2:00 pmPhiladelphia
$209
Find similar
Southwest
Dec 13
PHL8:15 amPhiladelphia
10h 00m
2 stops
HOU5:15 pmHouston Hobby
Dec 16
HOU10:00 amHouston Hobby
5h 35m
1 stop
PHL4:35 pmPhiladelphia
$214
Find similar
Southwest
Dec 16
PHL12:05 pmPhiladelphia
8h 45m
2 stops
HOU7:50 pmHouston Hobby
Dec 23
HOU5:30 amHouston Hobby
5h 45m
1 stop
PHL12:15 pmPhiladelphia
$219
Find similar

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Dec 13
PHL8:06 amPhiladelphia
6h 22m
1 stop
HOU1:28 pmHouston Hobby
Dec 16
HOU10:39 amHouston Hobby
6h 33m
1 stop
PHL6:12 pmPhiladelphia
$217
Find similar
Delta
Nov 24
PHL8:00 amPhiladelphia
6h 28m
1 stop
HOU1:28 pmHouston Hobby
Dec 10
HOU6:47 pmHouston Hobby
5h 04m
1 stop
PHL12:51 amPhiladelphia
$228
Find similar
Delta
Nov 24
PHL4:58 pmPhiladelphia
7h 09m
1 stop
HOU11:07 pmHouston Hobby
Nov 27
HOU2:32 pmHouston Hobby
7h 18m
1 stop
PHL10:50 pmPhiladelphia
$239
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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 November 19, 2025.
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

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 12/8

6:53 pm-12:57 am

1 stop7h 04m

Houston George Bush Intcntl

Fri 12/12

12:50 pm-11:17 am

2 stops21h 27m

$168

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 12/6

5:15 am-10:50 pm

2 stops18h 35m

Houston George Bush Intcntl

Sun 12/7

6:45 am-5:31 am

1 stop21h 46m

$169

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 12/5

7:42 pm-7:04 am

1 stop12h 22m

Houston George Bush Intcntl

Sun 12/7

7:51 pm-12:40 am

2 stops27h 49m

$170

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 12/11

5:04 pm-10:50 pm

1 stop6h 46m

Houston George Bush Intcntl

Sun 12/14

8:07 pm-12:26 am

2 stops27h 19m

$171

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 12/6

6:00 am-11:59 pm

2 stops18h 59m

Houston George Bush Intcntl

Mon 12/8

8:07 pm-12:40 am

1 stop27h 33m

$172

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 12/4

5:04 pm-10:50 pm

1 stop6h 46m

Houston George Bush Intcntl

Sun 12/7

7:51 pm-12:26 am

2 stops27h 35m

$177

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 12/13

2:05 pm-6:45 pm

1 stop5h 40m

Houston Hobby

Tue 12/16

6:35 am-2:00 pm

1 stop6h 25m

$209

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 12/13

8:15 am-5:15 pm

2 stops10h 00m

Houston Hobby

Tue 12/16

10:00 am-4:35 pm

1 stop5h 35m

$214

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 12/13

7:06 am-1:28 pm

1 stop7h 22m

Houston Hobby

Tue 12/16

10:39 am-5:02 pm

1 stop5h 23m

$217

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 12/10

5:01 pm-10:48 pm

1 stop6h 47m

Houston Hobby

Mon 12/15

6:47 pm-12:51 am

1 stop5h 04m

$243

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 cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Philadelphia, with most prices found around $269. The month of August is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $272.

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

On average, the least expensive day to fly to Houston from Philadelphia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $219. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Monday is $298.

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 $192. Try not to purchase tickets in the morning because they tend to be around $408. 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 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 $323 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 $237 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 43m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Houston

1 airport
The fastest flight from Philadelphia to Houston takes 3h 43m
Direct flights go from Philadelphia to Houston on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Houston: Houston George Bush Intcntl (IAH)
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  • How far is Philadelphia to Houston by plane?

    There are 1339.5 mi between Philadelphia and Houston. Typically, this will take 3h 52m 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 $105Free CancellationRating
6.3
8,151 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.8
3,105 reviews
Search Frontier flights
SouthwestPriceFrom $144Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,003 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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