What is the cheapest airline that flies from Houston to Philadelphia?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Houston to Philadelphia

How many flights depart from Houston to Philadelphia on average per week?

The number of flights available between Houston and Philadelphia is 90 per week as of August 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

How many flights depart from Houston to Philadelphia on average per day?

The number of flights available between Houston and Philadelphia is 12 per day as of August 2025. The most frequent departure time is 11:00AM, with 66% of daily flights leaving at noon.

What airlines fly to Philadelphia?

Spirit Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Philadelphia from Houston according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston to Philadelphia Airport?

Prices for flights from Houston to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Houston to Philadelphia Airport?

The number of operators available for flights from Houston to Philadelphia Airport is 6 as of August 2025.

How old do you have to be to fly from Houston to Philadelphia Airport?

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 Houston to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$45 Cheap Flights from Houston to Philadelphia in 2025

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Find the cheapest flights from Houston to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:31 pm - 1:02 pmIAH-PHL

16h 31m2 stops

5:00 am - 10:24 amPHL-IAH

6h 24m1 stop

$165Spirit Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 20

12:41 pm - 11:20 pmIAH-PHL

9h 39m1 stop

2:06 pm - 11:08 pmPHL-IAH

10h 02m1 stop

$166Spirit Airlines

Find Deal

Fri, Aug 29 - Sun, Aug 31

5:45 am - 1:01 pmIAH-PHL

6h 16m1 stop

2:21 pm - 8:53 pmPHL-IAH

7h 32m1 stop

$167

Find Deal

Wed, Aug 27 - Wed, Sep 3

8:45 am - 4:30 pmIAH-PHL

6h 45m1 stop

2:06 pm - 8:26 pmPHL-IAH

7h 20m1 stop

$168

Find Deal

Tue, Aug 26 - Sun, Aug 31

4:11 pm - 3:51 pmIAH-PHL

22h 40m1 stop

2:21 pm - 8:53 pmPHL-IAH

7h 32m1 stop

$177Frontier

Find Deal

Mon, Aug 25 - Wed, Aug 27

4:43 pm - 2:25 pmIAH-PHL

20h 42m1 stop

9:05 am - 10:44 amPHL-IAH

26h 39m1 stop

$180Frontier

Find Deal

Tue, Sep 2 - Sat, Sep 6

6:10 am - 4:00 pmHOU-PHL

8h 50m1 stop

1:50 pm - 9:30 pmPHL-HOU

8h 40m1 stop

$217Southwest

Find Deal

Tue, Sep 16 - Tue, Sep 23

6:37 pm - 12:54 amHOU-PHL

5h 17m1 stop

6:25 pm - 10:37 pmPHL-HOU

5h 12m1 stop

$219Delta

Find Deal

Fri, Sep 12 - Mon, Sep 15

9:40 am - 6:05 pmHOU-PHL

7h 25m1 stop

5:50 am - 11:40 amPHL-HOU

6h 50m2 stops

$222Southwest

Find Deal

Tue, Sep 16 - Tue, Sep 23

1:13 pm - 7:53 pmHOU-PHL

5h 40m1 stop

5:25 am - 9:49 amPHL-HOU

5h 24m1 stop

$229Delta

Find Deal

Tue, Sep 30 - Sun, Oct 5

Spirit Airlines flights from Houston to Philadelphia

Our best Spirit Airlines deals on Houston to Philadelphia flight tickets

Spirit Airlines

Sep 16

IAH7:31 pmHouston George Bush Intcntl

16h 31m

2 stops

PHL1:02 pmPhiladelphia

Sep 20

PHL5:00 amPhiladelphia

6h 24m

1 stop

IAH10:24 amHouston George Bush Intcntl

$165

Find similar

Spirit Airlines

Aug 29

IAH12:41 pmHouston George Bush Intcntl

9h 39m

1 stop

PHL11:20 pmPhiladelphia

Aug 31

PHL2:06 pmPhiladelphia

10h 02m

1 stop

IAH11:08 pmHouston George Bush Intcntl

$166

Find similar

Spirit Airlines

Sep 6

IAH11:29 amHouston George Bush Intcntl

11h 18m

1 stop

PHL11:47 pmPhiladelphia

Sep 11

PHL10:41 amPhiladelphia

13h 01m

1 stop

IAH10:42 pmHouston George Bush Intcntl

$174

Find similar

Delta flights from Houston to Philadelphia

Our best Delta deals on Houston to Philadelphia flight tickets

Delta

Sep 12

HOU6:37 pmHouston Hobby

5h 17m

1 stop

PHL12:54 amPhiladelphia

Sep 15

PHL6:25 pmPhiladelphia

5h 12m

1 stop

HOU10:37 pmHouston Hobby

$219

Find similar

Delta

Sep 30

HOU1:13 pmHouston Hobby

5h 40m

1 stop

PHL7:53 pmPhiladelphia

Oct 5

PHL5:25 amPhiladelphia

5h 24m

1 stop

HOU9:49 amHouston Hobby

$229

Find similar

Delta

Sep 17

HOU10:44 amHouston Hobby

5h 36m

1 stop

PHL5:20 pmPhiladelphia

Sep 24

PHL6:25 pmPhiladelphia

5h 12m

1 stop

HOU10:37 pmHouston Hobby

$237

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 9/16

7:31 pm-1:02 pm

2 stops16h 31m

Philadelphia

Sat 9/20

5:00 am-10:24 am

1 stop6h 24m

$165

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Fri 8/29

12:41 pm-11:20 pm

1 stop9h 39m

Philadelphia

Sun 8/31

2:06 pm-11:08 pm

1 stop10h 02m

$166

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Wed 8/27

5:45 am-1:01 pm

1 stop6h 16m

Philadelphia

Wed 9/3

2:21 pm-8:53 pm

1 stop7h 32m

$167

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 8/26

8:45 am-4:30 pm

1 stop6h 45m

Philadelphia

Sun 8/31

2:06 pm-8:26 pm

1 stop7h 20m

$168

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Mon 8/25

4:11 pm-3:51 pm

1 stop22h 40m

Philadelphia

Wed 8/27

2:21 pm-8:53 pm

1 stop7h 32m

$177

HoustonPhiladelphia

IAH - PHL

IAHPHL

Houston George Bush Intcntl

Tue 9/2

4:43 pm-2:25 pm

1 stop20h 42m

Philadelphia

Sat 9/6

9:05 am-10:44 am

1 stop26h 39m

$180

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Tue 9/16

6:10 am-4:00 pm

1 stop8h 50m

Philadelphia

Tue 9/23

1:50 pm-9:30 pm

1 stop8h 40m

$217

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Fri 9/12

6:37 pm-12:54 am

1 stop5h 17m

Philadelphia

Mon 9/15

6:25 pm-10:37 pm

1 stop5h 12m

$219

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Tue 9/16

9:40 am-6:05 pm

1 stop7h 25m

Philadelphia

Tue 9/23

5:50 am-11:40 am

2 stops6h 50m

$222

HoustonPhiladelphia

HOU - PHL

HOUPHL

Houston Hobby

Tue 9/30

1:13 pm-7:53 pm

1 stop5h 40m

Philadelphia

Sun 10/5

5:25 am-9:49 am

1 stop5h 24m

$229

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Philadelphia

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

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Houston is in September. Flight prices, which tend to average around $201, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Houston averaging around $216.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Houston to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $199. On the other hand, Sunday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $301.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Houston to Philadelphia in the evening for as low as $209. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $656.

What is the cheapest Houston to Philadelphia flight route?

Fly from Houston George Bush Intcntl to Philadelphia for the best Houston - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $293 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Houston for as low as $227 on momondo.

What cabin class options are available on Houston to Philadelphia flights?

There are 4 cabin classes available to choose from on Houston to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Philadelphia

Fastest flight time	3h 09m
Direct flights	Every day
Airports in Philadelphia	1 airport

The fastest flight from Houston to Philadelphia takes 3h 09m

Direct flights go from Houston to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

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How far is Houston to Philadelphia by plane?
There are 1339.5 mi between Houston and Philadelphia. In terms of flight time, this usually takes a little over 4h 45m.
When did momondo last update prices for flights from Houston to Philadelphia Airport?
Prices for flights from Houston to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Houston to Philadelphia Airport?
The number of operators available for flights from Houston to Philadelphia Airport is 6 as of August 2025.
How old do you have to be to fly from Houston to Philadelphia Airport?
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 Houston to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Philadelphia

Compare and see reviews for airlines that fly from Houston to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $53	Free Cancellation	Rating 6.3 8,035 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $88	Free Cancellation	Rating 5.8 3,207 reviews	Search Frontier flights
Delta	PriceFrom $119	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
American Airlines	PriceFrom $180	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $181	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights

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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Philadelphia.

I’m not ready to book a flight from Houston to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Philadelphia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.