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Cheap flights from Philadelphia to Houston from $89

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 5/3. 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

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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.
Frontier Logo
7:56 pm - 8:38 am
PHL
-
IAH
13h 42m
1 stop
Frontier Logo
7:31 pm - 11:54 pm
IAH
-
PHL
3h 23mnonstop
$189Frontier
Tue, Apr 28 - Fri, May 1
Frontier Logo
10:38 pm - 8:38 am
PHL
-
IAH
11h 00m
1 stop
Frontier Logo
4:03 pm - 12:29 am
IAH
-
PHL
7h 26m
1 stop
$190Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
6:10 am - 5:17 pm
PHL
-
IAH
12h 07m
1 stop
Frontier Logo
5:53 pm - 12:54 am
IAH
-
PHL
6h 01m
1 stop
$191Frontier
Tue, Mar 24 - Wed, Apr 8
Frontier Logo
3:29 pm - 6:21 pm
PHL
-
IAH
3h 52mnonstop
Frontier Logo
7:16 pm - 11:39 pm
IAH
-
PHL
3h 23mnonstop
$192Frontier
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
8:20 am - 11:19 am
PHL
-
IAH
3h 59mnonstop
Multiple Airlines Logo
11:19 am - 11:56 pm
IAH
-
PHL
11h 37m
1 stop
$195Multiple Airlines
Mon, Mar 30 - Tue, Mar 31
Multiple Airlines Logo
6:00 am - 12:07 pm
PHL
-
IAH
7h 07m
1 stop
Multiple Airlines Logo
2:12 pm - 7:41 am
IAH
-
PHL
16h 29m
1 stop
$197Multiple Airlines
Tue, Apr 28 - Fri, May 1
Delta Logo
7:03 am - 12:40 pm
PHL
-
HOU
6h 37m
1 stop
Delta Logo
5:23 pm - 12:59 am
HOU
-
PHL
6h 36m
1 stop
$259Delta
Wed, Apr 15 - Fri, Apr 17
Southwest Logo
6:35 pm - 11:10 pm
PHL
-
HOU
5h 35m
1 stop
Southwest Logo
2:20 pm - 10:45 pm
HOU
-
PHL
7h 25m
2 stops
$264Southwest
Thu, Apr 23 - Mon, Apr 27
Southwest Logo
6:15 am - 10:55 am
PHL
-
HOU
5h 40m
1 stop
Southwest Logo
2:25 pm - 9:05 pm
HOU
-
PHL
5h 40m
1 stop
$269Southwest
Sat, Apr 11 - Tue, Apr 14
Delta Logo
6:25 pm - 10:42 pm
PHL
-
HOU
5h 17m
1 stop
Delta Logo
10:53 am - 6:23 pm
HOU
-
PHL
6h 30m
1 stop
$274Delta
Thu, Apr 9 - Tue, Apr 14

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Apr 23
PHL6:35 pmPhiladelphia
5h 35m
1 stop
HOU11:10 pmHouston Hobby
Apr 27
HOU2:20 pmHouston Hobby
7h 25m
2 stops
PHL10:45 pmPhiladelphia
$264
Southwest
Apr 11
PHL6:15 amPhiladelphia
5h 40m
1 stop
HOU10:55 amHouston Hobby
Apr 14
HOU2:25 pmHouston Hobby
5h 40m
1 stop
PHL9:05 pmPhiladelphia
$269
Southwest
May 15
PHL7:10 pmPhiladelphia
5h 45m
1 stop
HOU11:55 pmHouston Hobby
May 18
HOU7:35 amHouston Hobby
8h 10m
1 stop
PHL4:45 pmPhiladelphia
$278

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Apr 15
PHL7:03 amPhiladelphia
6h 37m
1 stop
HOU12:40 pmHouston Hobby
Apr 17
HOU5:23 pmHouston Hobby
6h 36m
1 stop
PHL12:59 amPhiladelphia
$259
Delta
Apr 9
PHL6:25 pmPhiladelphia
5h 17m
1 stop
HOU10:42 pmHouston Hobby
Apr 14
HOU10:53 amHouston Hobby
6h 30m
1 stop
PHL6:23 pmPhiladelphia
$274
Delta
Jun 2
PHL5:17 amPhiladelphia
5h 10m
1 stop
HOU9:27 amHouston Hobby
Jun 9
HOU6:00 amHouston Hobby
8h 02m
1 stop
PHL3:02 pmPhiladelphia
$279

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 March 10, 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

Tue 4/28

7:56 pm-8:38 am

1 stop13h 42m

Houston George Bush Intcntl

Fri 5/1

7:31 pm-11:54 pm

Nonstop3h 23m

$189

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 5/15

10:38 pm-8:38 am

1 stop11h 00m

Houston George Bush Intcntl

Sun 5/17

4:03 pm-12:29 am

1 stop7h 26m

$190

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 3/24

6:10 am-5:17 pm

1 stop12h 07m

Houston George Bush Intcntl

Wed 4/8

5:53 pm-12:54 am

1 stop6h 01m

$191
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 4/16

3:29 pm-6:21 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 4/20

7:16 pm-11:39 pm

Nonstop3h 23m

$192

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 3/30

8:20 am-11:19 am

Nonstop3h 59m

Houston George Bush Intcntl

Tue 3/31

11:19 am-11:56 pm

1 stop11h 37m

$195

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 4/28

6:00 am-12:07 pm

1 stop7h 07m

Houston George Bush Intcntl

Fri 5/1

2:12 pm-7:41 am

1 stop16h 29m

$197

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 4/15

7:03 am-12:40 pm

1 stop6h 37m

Houston Hobby

Fri 4/17

5:23 pm-12:59 am

1 stop6h 36m

$259

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 4/23

6:35 pm-11:10 pm

1 stop5h 35m

Houston Hobby

Mon 4/27

2:20 pm-10:45 pm

2 stops7h 25m

$264

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 4/11

6:15 am-10:55 am

1 stop5h 40m

Houston Hobby

Tue 4/14

2:25 pm-9:05 pm

1 stop5h 40m

$269

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 4/9

6:25 pm-10:42 pm

1 stop5h 17m

Houston Hobby

Tue 4/14

10:53 am-6:23 pm

1 stop6h 30m

$274

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 $273.

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 $264. Try not to purchase tickets in the morning because they tend to be around $377. 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 $240 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

  • 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 $81Free CancellationRating
6.3
8,513 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.7
3,033 reviews
Search Frontier flights
SouthwestPriceFrom $171Free CancellationRating
8.0
4,317 reviews
Search Southwest flights
JetBluePriceFrom $198Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
American AirlinesPriceFrom $215Free CancellationRating
7.1
11,415 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,276 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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