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Cheap flights from Philadelphia to Houston from $97

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 1/16. 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
0 bags

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Spirit Airlines Logo
6:11 pm - 8:40 am
PHL
-
IAH
15h 29m1 stop
Spirit Airlines Logo
7:09 pm - 11:50 pm
IAH
-
PHL
27h 41m3 stops
$181Spirit Airlines
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
2:59 pm - 9:43 pm
PHL
-
IAH
7h 44m1 stop
Frontier Logo
4:11 pm - 11:39 pm
IAH
-
PHL
6h 28m1 stop
$182Frontier
Mon, Jan 26 - Thu, Jan 29
Frontier Logo
2:25 pm - 10:55 pm
PHL
-
IAH
9h 30m1 stop
Frontier Logo
6:09 pm - 12:26 am
IAH
-
PHL
5h 17m1 stop
$183Frontier
Wed, Dec 31 - Mon, Jan 5
Multiple Airlines Logo
6:05 pm - 9:03 am
PHL
-
IAH
15h 58m1 stop
Multiple Airlines Logo
8:13 pm - 11:13 am
IAH
-
PHL
14h 00m2 stops
$184Multiple Airlines
Mon, Jan 5 - Tue, Jan 6
Frontier Logo
6:00 am - 5:14 pm
PHL
-
IAH
12h 14m1 stop
Frontier Logo
8:13 pm - 5:39 pm
IAH
-
PHL
20h 26m1 stop
$185Frontier
Fri, Jan 2 - Tue, Jan 6
Spirit Airlines Logo
5:30 am - 11:11 am
PHL
-
IAH
6h 41m1 stop
Spirit Airlines Logo
4:15 pm - 10:03 pm
IAH
-
PHL
28h 48m2 stops
$187Spirit Airlines
Thu, Jan 8 - Sun, Jan 11
Delta Logo
10:30 am - 4:10 pm
PHL
-
HOU
6h 40m1 stop
Delta Logo
5:04 pm - 10:50 pm
HOU
-
PHL
4h 46m1 stop
$239Delta
Sat, Jan 24 - Tue, Feb 3
Southwest Logo
1:50 pm - 8:25 pm
PHL
-
HOU
7h 35m1 stop
Southwest Logo
6:30 am - 4:20 pm
HOU
-
PHL
8h 50m2 stops
$244Southwest
Wed, Jan 14 - Wed, Jan 21
Southwest Logo
5:40 am - 5:50 pm
PHL
-
HOU
13h 10m2 stops
Southwest Logo
2:00 pm - 8:20 pm
HOU
-
PHL
5h 20m1 stop
$250Southwest
Tue, Jan 27 - Sat, Jan 31
Delta Logo
4:59 pm - 10:33 pm
PHL
-
HOU
6h 34m1 stop
Delta Logo
5:45 am - 1:22 pm
HOU
-
PHL
6h 37m1 stop
$254Delta
Tue, Jan 20 - Sun, Jan 25

Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Jan 27
PHL10:56 amPhiladelphia
6h 14m
1 stop
HOU4:10 pmHouston Hobby
Feb 4
HOU5:04 pmHouston Hobby
4h 46m
1 stop
PHL10:50 pmPhiladelphia
$239
Find similar
Delta
Jan 7
PHL10:30 amPhiladelphia
6h 40m
1 stop
HOU4:10 pmHouston Hobby
Jan 21
HOU5:45 amHouston Hobby
6h 37m
1 stop
PHL1:22 pmPhiladelphia
$254
Find similar
Delta
Jan 8
PHL4:59 pmPhiladelphia
6h 34m
1 stop
HOU10:33 pmHouston Hobby
Jan 11
HOU5:45 amHouston Hobby
6h 39m
1 stop
PHL1:24 pmPhiladelphia
$269
Find similar

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Jan 14
PHL1:50 pmPhiladelphia
7h 35m
1 stop
HOU8:25 pmHouston Hobby
Jan 21
HOU6:30 amHouston Hobby
8h 50m
2 stops
PHL4:20 pmPhiladelphia
$244
Find similar
Southwest
Jan 27
PHL5:40 amPhiladelphia
13h 10m
2 stops
HOU5:50 pmHouston Hobby
Jan 31
HOU2:00 pmHouston Hobby
5h 20m
1 stop
PHL8:20 pmPhiladelphia
$250
Find similar
Southwest
Jan 27
PHL5:40 amPhiladelphia
13h 10m
2 stops
HOU5:50 pmHouston Hobby
Feb 3
HOU9:05 amHouston Hobby
7h 00m
2 stops
PHL5:05 pmPhiladelphia
$255
Find similar

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 December 18, 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

Thu 1/8

6:11 pm-8:40 am

1 stop15h 29m

Houston George Bush Intcntl

Wed 1/14

7:09 pm-11:50 pm

3 stops27h 41m

$181

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 1/26

2:59 pm-9:43 pm

1 stop7h 44m

Houston George Bush Intcntl

Thu 1/29

4:11 pm-11:39 pm

1 stop6h 28m

$182

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 12/31

2:25 pm-10:55 pm

1 stop9h 30m

Houston George Bush Intcntl

Mon 1/5

6:09 pm-12:26 am

1 stop5h 17m

$183

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 1/5

6:05 pm-9:03 am

1 stop15h 58m

Houston George Bush Intcntl

Tue 1/6

8:13 pm-11:13 am

2 stops14h 00m

$184

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 1/2

6:00 am-5:14 pm

1 stop12h 14m

Houston George Bush Intcntl

Tue 1/6

8:13 pm-5:39 pm

1 stop20h 26m

$185

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 1/8

5:30 am-11:11 am

1 stop6h 41m

Houston George Bush Intcntl

Sun 1/11

4:15 pm-10:03 pm

2 stops28h 48m

$187

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 1/24

10:30 am-4:10 pm

1 stop6h 40m

Houston Hobby

Tue 2/3

5:04 pm-10:50 pm

1 stop4h 46m

$239

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 1/14

1:50 pm-8:25 pm

1 stop7h 35m

Houston Hobby

Wed 1/21

6:30 am-4:20 pm

2 stops8h 50m

$244

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 1/27

5:40 am-5:50 pm

2 stops13h 10m

Houston Hobby

Sat 1/31

2:00 pm-8:20 pm

1 stop5h 20m

$250

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 1/20

4:59 pm-10:33 pm

1 stop6h 34m

Houston Hobby

Sun 1/25

5:45 am-1:22 pm

1 stop6h 37m

$254

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 $218. Try not to purchase tickets in the morning because they tend to be around $398. 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 $324 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 $243 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 33m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Philadelphia to Houston takes 3h 33m
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 33m 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
8,190 reviews
Search Spirit Airlines flights
FrontierPriceFrom $111Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
SouthwestPriceFrom $144Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,008 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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