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Cheap flights from Philadelphia to Houston from $125

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 6/25. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 3:05 pm
PHL
-
IAH
10h 05m
1 stop
Frontier Logo
12:16 pm - 7:20 pm
IAH
-
PHL
6h 04m
1 stop
$249Frontier
Wed, Aug 12 - Thu, Aug 13
Frontier Logo
7:00 am - 9:41 am
PHL
-
IAH
3h 41mnonstop
Frontier Logo
10:53 am - 7:20 pm
IAH
-
PHL
7h 27m
1 stop
$250Frontier
Fri, Jul 3 - Thu, Jul 9
Southwest Logo
6:20 am - 12:55 pm
PHL
-
HOU
7h 35m
1 stop
Southwest Logo
6:50 am - 2:20 pm
HOU
-
PHL
6h 30m
1 stop
$250Southwest
Fri, Aug 14 - Tue, Aug 18
Frontier Logo
8:43 pm - 7:23 am
PHL
-
IAH
35h 40m
2 stops
Frontier Logo
10:53 am - 7:20 pm
IAH
-
PHL
7h 27m
1 stop
$251Frontier
Mon, Jun 29 - Thu, Jul 9
Frontier Logo
6:33 pm - 10:39 pm
PHL
-
IAH
29h 06m
2 stops
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$252Frontier
Tue, Jul 14 - Sat, Jul 18
Southwest Logo
6:20 am - 12:55 pm
PHL
-
HOU
7h 35m
1 stop
Southwest Logo
7:10 am - 3:25 pm
HOU
-
PHL
7h 15m
1 stop
$259Southwest
Mon, Aug 17 - Thu, Aug 27
Delta Logo
5:16 pm - 9:23 pm
PHL
-
HOU
5h 07m
1 stop
Delta Logo
2:25 pm - 12:56 am
HOU
-
PHL
9h 31m
1 stop
$262Delta
Sat, Aug 29 - Wed, Sep 16
Delta Logo
8:00 am - 4:23 pm
PHL
-
HOU
9h 23m
1 stop
Delta Logo
6:00 am - 4:17 pm
HOU
-
PHL
9h 17m
1 stop
$263Delta
Tue, Sep 8 - Wed, Sep 9
Southwest Logo
2:45 pm - 7:30 pm
PHL
-
HOU
5h 45m
1 stop
Southwest Logo
3:00 pm - 12:10 am
HOU
-
PHL
8h 10m
1 stop
$264Southwest
Tue, Aug 11 - Sun, Aug 16
Delta Logo
11:29 am - 9:23 pm
PHL
-
HOU
10h 54m
1 stop
Delta Logo
10:05 am - 11:01 pm
HOU
-
PHL
11h 56m
1 stop
$265Delta
Sun, Sep 6 - Sun, Sep 13

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Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Aug 29
PHL5:16 pmPhiladelphia
5h 07m
1 stop
HOU9:23 pmHouston Hobby
Sep 15
HOU6:00 amHouston Hobby
9h 17m
1 stop
PHL4:17 pmPhiladelphia
$262
Delta
Aug 28
PHL5:15 amPhiladelphia
5h 35m
1 stop
HOU9:50 amHouston Hobby
Sep 12
HOU6:00 amHouston Hobby
8h 03m
1 stop
PHL3:03 pmPhiladelphia
$277
Delta
Aug 29
PHL5:16 pmPhiladelphia
5h 07m
1 stop
HOU9:23 pmHouston Hobby
Sep 18
HOU11:00 amHouston Hobby
8h 16m
1 stop
PHL8:16 pmPhiladelphia
$282

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Aug 14
PHL6:20 amPhiladelphia
7h 35m
1 stop
HOU12:55 pmHouston Hobby
Aug 18
HOU6:50 amHouston Hobby
6h 30m
1 stop
PHL2:20 pmPhiladelphia
$250
Southwest
Aug 17
PHL6:20 amPhiladelphia
7h 35m
1 stop
HOU12:55 pmHouston Hobby
Aug 27
HOU7:10 amHouston Hobby
7h 15m
1 stop
PHL3:25 pmPhiladelphia
$259
Southwest
Aug 11
PHL2:45 pmPhiladelphia
5h 45m
1 stop
HOU7:30 pmHouston Hobby
Aug 16
HOU3:00 pmHouston Hobby
8h 10m
1 stop
PHL12:10 amPhiladelphia
$264

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 June 9, 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 8/12

6:00 am-3:05 pm

1 stop10h 05m

Houston George Bush Intcntl

Thu 8/13

12:16 pm-7:20 pm

1 stop6h 04m

$249
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 7/3

7:00 am-9:41 am

Nonstop3h 41m

Houston George Bush Intcntl

Thu 7/9

10:53 am-7:20 pm

1 stop7h 27m

$250

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 8/14

6:20 am-12:55 pm

1 stop7h 35m

Houston Hobby

Tue 8/18

6:50 am-2:20 pm

1 stop6h 30m

$250

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 6/29

8:43 pm-7:23 am

2 stops35h 40m

Houston George Bush Intcntl

Thu 7/9

10:53 am-7:20 pm

1 stop7h 27m

$251

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 7/14

6:33 pm-10:39 pm

2 stops29h 06m

Houston George Bush Intcntl

Sat 7/18

8:02 pm-7:15 am

1 stop10h 13m

$252

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Mon 8/17

6:20 am-12:55 pm

1 stop7h 35m

Houston Hobby

Thu 8/27

7:10 am-3:25 pm

1 stop7h 15m

$259

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/29

5:16 pm-9:23 pm

1 stop5h 07m

Houston Hobby

Wed 9/16

2:25 pm-12:56 am

1 stop9h 31m

$262

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 9/8

8:00 am-4:23 pm

1 stop9h 23m

Houston Hobby

Wed 9/9

6:00 am-4:17 pm

1 stop9h 17m

$263

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 8/11

2:45 pm-7:30 pm

1 stop5h 45m

Houston Hobby

Sun 8/16

3:00 pm-12:10 am

1 stop8h 10m

$264

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sun 9/6

11:29 am-9:23 pm

1 stop10h 54m

Houston Hobby

Sun 9/13

10:05 am-11:01 pm

1 stop11h 56m

$265

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 August is, on average, the cheapest month to fly to Houston from Philadelphia, with most prices found around $55. The month of December is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $60.

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 afternoon. Our users have found flights to Houston in the afternoon for as low as $359. Try not to purchase tickets in the morning because they tend to be around $383. 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 $331 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 $248 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

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Houston

2 airports
The fastest flight from Philadelphia to Houston takes 3h 29m
Direct flights go from Philadelphia to Houston on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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
FrontierPriceFrom $125Free CancellationRating
5.6
2,902 reviews
Search Frontier flights
JetBluePriceFrom $127Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
SouthwestPriceFrom $171Free CancellationRating
7.9
4,240 reviews
Search Southwest flights
American AirlinesPriceFrom $226Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,796 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,394 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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