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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 4/12. 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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Cheap round-trip flights

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Multiple Airlines Logo
5:45 am - 11:27 am
PHL
-
IAH
6h 42m
1 stop
Multiple Airlines Logo
6:57 pm - 7:41 am
IAH
-
PHL
11h 44m
1 stop
$192Multiple Airlines
Wed, Apr 29 - Sat, May 2
Multiple Airlines Logo
9:00 am - 7:15 pm
PHL
-
IAH
11h 15m
1 stop
Multiple Airlines Logo
6:05 am - 7:51 pm
IAH
-
PHL
12h 46m
2 stops
$193Multiple Airlines
Mon, Apr 20 - Wed, Apr 22
Spirit Airlines Logo
11:36 am - 10:27 pm
PHL
-
IAH
11h 51m
1 stop
Spirit Airlines Logo
5:45 am - 1:15 pm
IAH
-
PHL
6h 30m
1 stop
$194Spirit Airlines
Fri, May 15 - Mon, May 18
Spirit Airlines Logo
6:12 pm - 5:41 pm
PHL
-
IAH
24h 29m
1 stop
Spirit Airlines Logo
11:39 am - 10:54 am
IAH
-
PHL
22h 15m
1 stop
$195Spirit Airlines
Fri, Apr 17 - Sun, Apr 19
Multiple Airlines Logo
5:45 am - 10:47 pm
PHL
-
IAH
18h 02m
1 stop
Multiple Airlines Logo
7:48 pm - 9:49 am
IAH
-
PHL
37h 01m
2 stops
$196Multiple Airlines
Wed, Apr 22 - Mon, Apr 27
Multiple Airlines Logo
6:08 pm - 11:59 pm
PHL
-
IAH
6h 51m
1 stop
Multiple Airlines Logo
12:16 pm - 11:10 pm
IAH
-
PHL
9h 54m
1 stop
$197Multiple Airlines
Fri, Apr 10 - Thu, Apr 16
Frontier Logo
6:05 am - 4:54 pm
PHL
-
IAH
11h 49m
1 stop
Frontier Logo
7:16 pm - 11:39 pm
IAH
-
PHL
3h 23mnonstop
$199Frontier
Wed, Apr 29 - Mon, May 4
Southwest Logo
6:00 pm - 12:20 am
PHL
-
HOU
7h 20m
1 stop
Southwest Logo
7:35 am - 4:45 pm
HOU
-
PHL
8h 10m
1 stop
$279Southwest
Fri, Apr 24 - Thu, May 7
Southwest Logo
7:30 am - 1:00 pm
PHL
-
HOU
6h 30m
1 stop
Southwest Logo
2:40 pm - 10:00 pm
HOU
-
PHL
6h 20m
2 stops
$284Southwest
Wed, Apr 15 - Wed, Apr 22
Delta Logo
6:29 pm - 11:07 pm
PHL
-
HOU
5h 38m
1 stop
Delta Logo
1:31 pm - 8:53 pm
HOU
-
PHL
6h 22m
1 stop
$299Delta
Fri, May 1 - Tue, May 5

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Apr 24
PHL6:00 pmPhiladelphia
7h 20m
1 stop
HOU12:20 amHouston Hobby
May 7
HOU7:35 amHouston Hobby
8h 10m
1 stop
PHL4:45 pmPhiladelphia
$279
Southwest
Apr 15
PHL7:30 amPhiladelphia
6h 30m
1 stop
HOU1:00 pmHouston Hobby
Apr 22
HOU2:40 pmHouston Hobby
6h 20m
2 stops
PHL10:00 pmPhiladelphia
$284
Southwest
Apr 15
PHL11:35 amPhiladelphia
8h 00m
2 stops
HOU6:35 pmHouston Hobby
Apr 22
HOU8:55 amHouston Hobby
6h 55m
2 stops
PHL4:50 pmPhiladelphia
$289

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
May 1
PHL6:29 pmPhiladelphia
5h 38m
1 stop
HOU11:07 pmHouston Hobby
May 5
HOU1:31 pmHouston Hobby
6h 22m
1 stop
PHL8:53 pmPhiladelphia
$299
Delta
May 28
PHL5:17 amPhiladelphia
5h 15m
1 stop
HOU9:32 amHouston Hobby
Jun 3
HOU6:00 amHouston Hobby
6h 18m
1 stop
PHL1:18 pmPhiladelphia
$324
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
$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 March 20, 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

Wed 4/29

5:45 am-11:27 am

1 stop6h 42m

Houston George Bush Intcntl

Sat 5/2

6:57 pm-7:41 am

1 stop11h 44m

$192

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 4/20

9:00 am-7:15 pm

1 stop11h 15m

Houston George Bush Intcntl

Wed 4/22

6:05 am-7:51 pm

2 stops12h 46m

$193

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 5/15

11:36 am-10:27 pm

1 stop11h 51m

Houston George Bush Intcntl

Mon 5/18

5:45 am-1:15 pm

1 stop6h 30m

$194

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 4/17

6:12 pm-5:41 pm

1 stop24h 29m

Houston George Bush Intcntl

Sun 4/19

11:39 am-10:54 am

1 stop22h 15m

$195

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 4/22

5:45 am-10:47 pm

1 stop18h 02m

Houston George Bush Intcntl

Mon 4/27

7:48 pm-9:49 am

2 stops37h 01m

$196

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 4/10

6:08 pm-11:59 pm

1 stop6h 51m

Houston George Bush Intcntl

Thu 4/16

12:16 pm-11:10 pm

1 stop9h 54m

$197

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 4/29

6:05 am-4:54 pm

1 stop11h 49m

Houston George Bush Intcntl

Mon 5/4

7:16 pm-11:39 pm

Nonstop3h 23m

$199

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 4/24

6:00 pm-12:20 am

1 stop7h 20m

Houston Hobby

Thu 5/7

7:35 am-4:45 pm

1 stop8h 10m

$279

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 4/15

7:30 am-1:00 pm

1 stop6h 30m

Houston Hobby

Wed 4/22

2:40 pm-10:00 pm

2 stops6h 20m

$284
Quickest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 5/1

6:29 pm-11:07 pm

1 stop5h 38m

Houston Hobby

Tue 5/5

1:31 pm-8:53 pm

1 stop6h 22m

$299

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 $380. 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 $98Free CancellationRating
6.3
8,537 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.7
3,023 reviews
Search Frontier flights
SouthwestPriceFrom $171Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
JetBluePriceFrom $198Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
American AirlinesPriceFrom $214Free CancellationRating
7.1
11,482 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,303 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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