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Cheap flights from Philadelphia to Houston from $99

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 5/5. 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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Find the cheapest flights from Philadelphia to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:15 am - 1:03 pm
PHL
-
IAH
7h 48m
1 stop
Frontier Logo
10:51 am - 3:16 pm
IAH
-
PHL
3h 25mnonstop
$189Frontier
Sun, May 3 - Fri, May 8
Frontier Logo
12:21 pm - 6:49 pm
PHL
-
IAH
7h 28m
1 stop
Frontier Logo
11:12 am - 7:17 pm
IAH
-
PHL
7h 05m
1 stop
$190Frontier
Tue, May 12 - Fri, Jun 19
Multiple Airlines Logo
8:00 am - 7:38 pm
PHL
-
IAH
12h 38m
2 stops
Multiple Airlines Logo
10:51 am - 3:16 pm
IAH
-
PHL
3h 25mnonstop
$191Multiple Airlines
Thu, May 7 - Fri, May 8
Multiple Airlines Logo
8:00 am - 3:03 pm
PHL
-
IAH
8h 03m
1 stop
Multiple Airlines Logo
2:00 pm - 9:33 pm
IAH
-
PHL
6h 33m
1 stop
$192Multiple Airlines
Thu, May 7 - Sat, May 9
Multiple Airlines Logo
6:00 am - 3:03 pm
PHL
-
IAH
10h 03m
1 stop
Multiple Airlines Logo
4:20 pm - 11:45 pm
IAH
-
PHL
6h 25m
1 stop
$193Multiple Airlines
Wed, May 27 - Mon, Jun 8
Frontier Logo
6:00 am - 3:03 pm
PHL
-
IAH
10h 03m
1 stop
Frontier Logo
9:45 am - 6:40 pm
IAH
-
PHL
7h 55m
1 stop
$194Frontier
Wed, May 27 - Mon, Jun 1
Frontier Logo
7:20 am - 12:34 pm
PHL
-
IAH
6h 14m
1 stop
Frontier Logo
8:02 pm - 11:53 pm
IAH
-
PHL
26h 51m
2 stops
$195Frontier
Tue, May 26 - Tue, Jun 2
Southwest Logo
6:35 pm - 11:05 pm
PHL
-
HOU
5h 30m
1 stop
Southwest Logo
1:00 pm - 10:00 pm
HOU
-
PHL
8h 00m
1 stop
$218Southwest
Tue, May 26 - Tue, Jun 2
Southwest Logo
6:35 pm - 11:05 pm
PHL
-
HOU
5h 30m
1 stop
Southwest Logo
8:55 am - 4:50 pm
HOU
-
PHL
6h 55m
2 stops
$236Southwest
Tue, May 26 - Tue, Jun 2
Southwest Logo
5:25 pm - 11:30 pm
PHL
-
HOU
7h 05m
1 stop
Southwest Logo
1:00 pm - 10:00 pm
HOU
-
PHL
8h 00m
1 stop
$239Southwest
Thu, May 28 - Tue, Jun 2

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Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
May 28
PHL5:17 pmPhiladelphia
6h 09m
1 stop
HOU10:26 pmHouston Hobby
Jun 3
HOU10:27 amHouston Hobby
4h 45m
1 stop
PHL4:12 pmPhiladelphia
$299
Delta
May 25
PHL5:17 amPhiladelphia
5h 15m
1 stop
HOU9:32 amHouston Hobby
Jun 9
HOU10:09 amHouston Hobby
4h 57m
1 stop
PHL4:06 pmPhiladelphia
$314
Delta
May 6
PHL5:30 amPhiladelphia
8h 10m
1 stop
HOU12:40 pmHouston Hobby
May 13
HOU1:06 pmHouston Hobby
8h 06m
1 stop
PHL10:12 pmPhiladelphia
$339

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
May 26
PHL6:35 pmPhiladelphia
5h 30m
1 stop
HOU11:05 pmHouston Hobby
Jun 2
HOU1:00 pmHouston Hobby
8h 00m
1 stop
PHL10:00 pmPhiladelphia
$218
Southwest
May 26
PHL6:35 pmPhiladelphia
5h 30m
1 stop
HOU11:05 pmHouston Hobby
Jun 2
HOU8:55 amHouston Hobby
6h 55m
2 stops
PHL4:50 pmPhiladelphia
$236
Southwest
May 28
PHL5:25 pmPhiladelphia
7h 05m
1 stop
HOU11:30 pmHouston Hobby
Jun 2
HOU1:00 pmHouston Hobby
8h 00m
1 stop
PHL10:00 pmPhiladelphia
$239

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 April 24, 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
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 5/3

6:15 am-1:03 pm

1 stop7h 48m

Houston George Bush Intcntl

Fri 5/8

10:51 am-3:16 pm

Nonstop3h 25m

$189

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 5/12

12:21 pm-6:49 pm

1 stop7h 28m

Houston George Bush Intcntl

Fri 6/19

11:12 am-7:17 pm

1 stop7h 05m

$190

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 5/7

8:00 am-7:38 pm

2 stops12h 38m

Houston George Bush Intcntl

Fri 5/8

10:51 am-3:16 pm

Nonstop3h 25m

$191

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 5/7

8:00 am-3:03 pm

1 stop8h 03m

Houston George Bush Intcntl

Sat 5/9

2:00 pm-9:33 pm

1 stop6h 33m

$192

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 5/27

6:00 am-3:03 pm

1 stop10h 03m

Houston George Bush Intcntl

Mon 6/8

4:20 pm-11:45 pm

1 stop6h 25m

$193

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 5/27

6:00 am-3:03 pm

1 stop10h 03m

Houston George Bush Intcntl

Mon 6/1

9:45 am-6:40 pm

1 stop7h 55m

$194

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 5/26

7:20 am-12:34 pm

1 stop6h 14m

Houston George Bush Intcntl

Tue 6/2

8:02 pm-11:53 pm

2 stops26h 51m

$195

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 5/26

6:35 pm-11:05 pm

1 stop5h 30m

Houston Hobby

Tue 6/2

1:00 pm-10:00 pm

1 stop8h 00m

$218

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 5/26

6:35 pm-11:05 pm

1 stop5h 30m

Houston Hobby

Tue 6/2

8:55 am-4:50 pm

2 stops6h 55m

$236

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Thu 5/28

5:25 pm-11:30 pm

1 stop7h 05m

Houston Hobby

Tue 6/2

1:00 pm-10:00 pm

1 stop8h 00m

$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 July is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $279.

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 $277. 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 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 $327 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 $232 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

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
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,636 reviews
Search Spirit Airlines flights
FrontierPriceFrom $116Free CancellationRating
5.6
2,980 reviews
Search Frontier flights
JetBluePriceFrom $127Free CancellationRating
7.2
2,954 reviews
Search JetBlue flights
SouthwestPriceFrom $171Free CancellationRating
8.0
4,335 reviews
Search Southwest flights
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,646 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,455 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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