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Cheap flights from Philadelphia to Houston from $76

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 1/22. 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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Multiple Airlines Logo
10:00 pm - 10:01 amPHL-IAH
13h 01m1 stop
Multiple Airlines Logo
4:10 pm - 11:34 pmIAH-PHL
6h 24m1 stop
$168Multiple Airlines
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Mon, Jan 5 - Wed, Jan 7
Spirit Airlines Logo
4:00 pm - 10:38 pmPHL-IAH
7h 38m1 stop
Spirit Airlines Logo
4:06 pm - 9:17 amIAH-PHL
16h 11m2 stops
$169Spirit Airlines
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Tue, Dec 9 - Sat, Dec 13
Multiple Airlines Logo
4:00 pm - 12:57 amPHL-IAH
9h 57m1 stop
Multiple Airlines Logo
4:50 pm - 12:41 amIAH-PHL
6h 51m1 stop
$170Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Spirit Airlines Logo
4:00 pm - 12:57 amPHL-IAH
9h 57m1 stop
Spirit Airlines Logo
7:25 pm - 2:44 pmIAH-PHL
18h 19m1 stop
$171Spirit Airlines
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Sat, Dec 6 - Mon, Dec 8
Frontier Logo
3:40 pm - 6:34 pmPHL-IAH
3h 54mnonstop
Frontier Logo
6:05 pm - 12:51 amIAH-PHL
5h 46m1 stop
$172Frontier
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Mon, Jan 5 - Mon, Jan 12
Frontier Logo
7:30 am - 10:24 amPHL-IAH
3h 54mnonstop
Frontier Logo
9:34 pm - 8:37 amIAH-PHL
10h 03m1 stop
$173Frontier
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Fri, Dec 19 - Sun, Dec 28
Southwest Logo
3:05 pm - 8:10 pmPHL-HOU
6h 05m1 stop
Southwest Logo
12:10 pm - 5:55 pmHOU-PHL
4h 45m1 stop
$221Southwest
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Tue, Dec 16 - Thu, Dec 18
Southwest Logo
6:35 am - 12:55 pmPHL-HOU
7h 20m1 stop
Southwest Logo
5:05 am - 11:30 amHOU-PHL
5h 25m1 stop
$226Southwest
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Wed, Dec 17 - Sun, Dec 21
Delta Logo
7:06 am - 1:28 pmPHL-HOU
7h 22m1 stop
Delta Logo
6:00 am - 1:19 pmHOU-PHL
6h 19m1 stop
$235Delta
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Sat, Dec 13 - Tue, Dec 16
Delta Logo
5:30 am - 10:01 amPHL-HOU
5h 31m1 stop
Delta Logo
5:04 pm - 12:21 amHOU-PHL
6h 17m1 stop
$239Delta
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Sat, Jan 3 - Wed, Jan 7

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Dec 13
PHL7:06 amPhiladelphia
7h 22m
1 stop
HOU1:28 pmHouston Hobby
Dec 16
HOU6:00 amHouston Hobby
6h 19m
1 stop
PHL1:19 pmPhiladelphia
$235
Find similar
Delta
Jan 3
PHL5:30 amPhiladelphia
5h 31m
1 stop
HOU10:01 amHouston Hobby
Jan 10
HOU5:45 amHouston Hobby
6h 38m
1 stop
PHL1:23 pmPhiladelphia
$239
Find similar
Delta
Nov 27
PHL4:58 pmPhiladelphia
7h 09m
1 stop
HOU11:07 pmHouston Hobby
Dec 10
HOU2:32 pmHouston Hobby
6h 08m
1 stop
PHL9:40 pmPhiladelphia
$246
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Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Dec 16
PHL3:05 pmPhiladelphia
6h 05m
1 stop
HOU8:10 pmHouston Hobby
Dec 18
HOU12:10 pmHouston Hobby
4h 45m
1 stop
PHL5:55 pmPhiladelphia
$221
Find similar
Southwest
Dec 17
PHL6:35 amPhiladelphia
7h 20m
1 stop
HOU12:55 pmHouston Hobby
Dec 21
HOU5:05 amHouston Hobby
5h 25m
1 stop
PHL11:30 amPhiladelphia
$226
Find similar
Southwest
Dec 16
PHL7:15 amPhiladelphia
11h 30m
2 stops
HOU5:45 pmHouston Hobby
Dec 18
HOU12:10 pmHouston Hobby
4h 45m
1 stop
PHL5:55 pmPhiladelphia
$232
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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 26, 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 1/5

10:00 pm-10:01 am

1 stop13h 01m

Houston George Bush Intcntl

Wed 1/7

4:10 pm-11:34 pm

1 stop6h 24m

$168

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 12/9

4:00 pm-10:38 pm

1 stop7h 38m

Houston George Bush Intcntl

Sat 12/13

4:06 pm-9:17 am

2 stops16h 11m

$169

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 12/6

4:00 pm-12:57 am

1 stop9h 57m

Houston George Bush Intcntl

Sat 12/13

4:50 pm-12:41 am

1 stop6h 51m

$170

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 12/6

4:00 pm-12:57 am

1 stop9h 57m

Houston George Bush Intcntl

Mon 12/8

7:25 pm-2:44 pm

1 stop18h 19m

$171

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 1/5

3:40 pm-6:34 pm

Nonstop3h 54m

Houston George Bush Intcntl

Mon 1/12

6:05 pm-12:51 am

1 stop5h 46m

$172

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 12/19

7:30 am-10:24 am

Nonstop3h 54m

Houston George Bush Intcntl

Sun 12/28

9:34 pm-8:37 am

1 stop10h 03m

$173

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 12/16

3:05 pm-8:10 pm

1 stop6h 05m

Houston Hobby

Thu 12/18

12:10 pm-5:55 pm

1 stop4h 45m

$221

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 12/17

6:35 am-12:55 pm

1 stop7h 20m

Houston Hobby

Sun 12/21

5:05 am-11:30 am

1 stop5h 25m

$226

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 12/13

7:06 am-1:28 pm

1 stop7h 22m

Houston Hobby

Tue 12/16

6:00 am-1:19 pm

1 stop6h 19m

$235

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 1/3

5:30 am-10:01 am

1 stop5h 31m

Houston Hobby

Wed 1/7

5:04 pm-12:21 am

1 stop6h 17m

$239

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 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 $196. Try not to purchase tickets in the morning because they tend to be around $404. 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 45m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from Philadelphia to Houston takes 3h 45m
Direct flights go from Philadelphia to Houston every day.
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 54m 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
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $111Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
SouthwestPriceFrom $144Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $211Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,998 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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