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Cheap flights from Philadelphia to Houston from $121

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 8/16. 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
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
4:45 pm - 10:14 pm
PHL
-
IAH
6h 29m
1 stop
Frontier Logo
9:58 pm - 7:15 am
IAH
-
PHL
32h 17m
2 stops
$261Frontier
fre, aug 21 - sön, aug 23
Frontier Logo
8:30 am - 6:25 pm
PHL
-
IAH
10h 55m
2 stops
Frontier Logo
4:32 pm - 7:15 am
IAH
-
PHL
13h 43m
1 stop
$263Frontier
tors, aug 13 - sön, aug 23
Multiple Airlines Logo
6:40 pm - 3:24 pm
PHL
-
IAH
45h 44m
2 stops
Multiple Airlines Logo
8:35 am - 11:31 pm
IAH
-
PHL
13h 56m
1 stop
$264Multiple Airlines
tors, sep 3 - sön, sep 6
Frontier Logo
7:00 am - 2:52 pm
PHL
-
IAH
8h 52m
1 stop
Frontier Logo
9:37 am - 2:02 pm
IAH
-
PHL
3h 25mnonstop
$268Frontier
lör, sep 5 - ons, sep 9
Frontier Logo
6:25 am - 11:27 am
PHL
-
IAH
6h 02m
1 stop
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$269Frontier
sön, aug 16 - mån, aug 17
Frontier Logo
7:10 am - 12:40 pm
PHL
-
IAH
6h 30m
1 stop
Frontier Logo
10:15 pm - 11:11 pm
IAH
-
PHL
23h 56m
2 stops
$270Frontier
tors, sep 17 - sön, sep 20
Delta Logo
5:25 am - 10:05 am
PHL
-
HOU
5h 40m
1 stop
Delta Logo
6:00 am - 1:16 pm
HOU
-
PHL
6h 16m
1 stop
$299Delta
ons, okt 21 - ons, okt 28
Southwest Logo
8:55 am - 2:15 pm
PHL
-
HOU
6h 20m
1 stop
Southwest Logo
2:35 pm - 9:45 pm
HOU
-
PHL
6h 10m
2 stops
$304Southwest
lör, aug 22 - tis, aug 25
Delta Logo
3:55 pm - 9:23 pm
PHL
-
HOU
6h 28m
1 stop
Delta Logo
1:13 pm - 7:58 pm
HOU
-
PHL
5h 45m
1 stop
$309Delta
lör, aug 22 - tis, sep 1
Southwest Logo
3:25 pm - 7:55 pm
PHL
-
HOU
5h 30m
1 stop
Southwest Logo
6:00 am - 2:20 pm
HOU
-
PHL
7h 20m
2 stops
$324Southwest
lör, aug 15 - tis, aug 18

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Delta flights from Philadelphia to Houston

Our best Delta deals on Philadelphia to Houston flight tickets
Delta
Oct 21
PHL5:25 amPhiladelphia
5h 40m
1 stop
HOU10:05 amHouston Hobby
Oct 28
HOU6:00 amHouston Hobby
6h 16m
1 stop
PHL1:16 pmPhiladelphia
$299
Delta
Aug 22
PHL3:55 pmPhiladelphia
6h 28m
1 stop
HOU9:23 pmHouston Hobby
Sep 1
HOU1:13 pmHouston Hobby
5h 45m
1 stop
PHL7:58 pmPhiladelphia
$309
Delta
Aug 20
PHL10:43 amPhiladelphia
6h 42m
1 stop
HOU4:25 pmHouston Hobby
Aug 29
HOU5:20 pmHouston Hobby
6h 59m
1 stop
PHL1:19 amPhiladelphia
$314

Southwest flights from Philadelphia to Houston

Our best Southwest deals on Philadelphia to Houston flight tickets
Southwest
Aug 22
PHL8:55 amPhiladelphia
6h 20m
1 stop
HOU2:15 pmHouston Hobby
Aug 25
HOU2:35 pmHouston Hobby
6h 10m
2 stops
PHL9:45 pmPhiladelphia
$304
Southwest
Aug 15
PHL3:25 pmPhiladelphia
5h 30m
1 stop
HOU7:55 pmHouston Hobby
Aug 18
HOU6:00 amHouston Hobby
7h 20m
2 stops
PHL2:20 pmPhiladelphia
$324
Southwest
Oct 21
PHL6:00 amPhiladelphia
9h 05m
2 stops
HOU2:05 pmHouston Hobby
Oct 25
HOU7:30 amHouston Hobby
9h 15m
1 stop
PHL5:45 pmPhiladelphia
$325

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 juli 23, 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

fre 8/21

4:45 pm-10:14 pm

1 stop6h 29m

Houston George Bush Intcntl

sön 8/23

9:58 pm-7:15 am

2 stops32h 17m

$261

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

tors 8/13

8:30 am-6:25 pm

2 stops10h 55m

Houston George Bush Intcntl

sön 8/23

4:32 pm-7:15 am

1 stop13h 43m

$263

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

tors 9/3

6:40 pm-3:24 pm

2 stops45h 44m

Houston George Bush Intcntl

sön 9/6

8:35 am-11:31 pm

1 stop13h 56m

$264

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

lör 9/5

7:00 am-2:52 pm

1 stop8h 52m

Houston George Bush Intcntl

ons 9/9

9:37 am-2:02 pm

Nonstop3h 25m

$268

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

sön 8/16

6:25 am-11:27 am

1 stop6h 02m

Houston George Bush Intcntl

mån 8/17

8:02 pm-7:15 am

1 stop10h 13m

$269

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

tors 9/17

7:10 am-12:40 pm

1 stop6h 30m

Houston George Bush Intcntl

sön 9/20

10:15 pm-11:11 pm

2 stops23h 56m

$270
Quickest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

ons 10/21

5:25 am-10:05 am

1 stop5h 40m

Houston Hobby

ons 10/28

6:00 am-1:16 pm

1 stop6h 16m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

lör 8/22

8:55 am-2:15 pm

1 stop6h 20m

Houston Hobby

tis 8/25

2:35 pm-9:45 pm

2 stops6h 10m

$304

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

lör 8/22

3:55 pm-9:23 pm

1 stop6h 28m

Houston Hobby

tis 9/1

1:13 pm-7:58 pm

1 stop5h 45m

$309

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

lör 8/15

3:25 pm-7:55 pm

1 stop5h 30m

Houston Hobby

tis 8/18

6:00 am-2:20 pm

2 stops7h 20m

$324

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?

Prices are currently low for flights on this route.

Typical prices usually range from $284 to $398.
The lowest price recently found on this route was $261.

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 $291. The month of August is another great option to travel to Houston, with average flight prices from Philadelphia averaging around $305.

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 $388. 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 $342 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 $271 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
FrontierPriceFrom $127Free CancellationRating
5.6
2,770 reviews
Search Frontier flights
JetBluePriceFrom $200Free CancellationRating
7.1
3,019 reviews
Search JetBlue flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.1
11,831 reviews
Search American Airlines flights
SouthwestPriceFrom $238Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
DeltaPriceFrom $238Free CancellationRating
7.8
8,479 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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lör 8/22
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