What is the cheapest airline that flies from Louisville Intl to Philadelphia?

Spirit Airlines, Southwest, and United Airlines are the most popular carriers operating from Louisville Intl to Philadelphia

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

The number of flights available between Louisville and Philadelphia is 4 per day as of August 2025. The most frequent departure time is 3:00PM, with 57% of daily flights leaving at noon.

What airlines fly to Philadelphia?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Philadelphia from Louisville according to our data. American Airlines is the first choice among our users, with 45% 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.

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

As of August 2025, 31 flights take off from Louisville and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 29% of weekly flights taking off on this day.

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

Prices for flights from Louisville Intl Airport to Philadelphia Airport refresh daily.

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

There are 4 operators available for flights from Louisville Intl Airport to Philadelphia Airport as of August 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Philadelphia Airport.

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

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$91 Cheap Flights from Louisville to Philadelphia (SDF-PHL) in 2025

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Find the cheapest flights from Louisville to Philadelphia (SDF-PHL)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:31 pm - 11:36 pmSDF-PHL

6h 05m1 stop

5:25 am - 6:03 pmPHL-SDF

12h 38m1 stop

$182Spirit Airlines

Find Deal

Wed, Oct 22 - Sat, Oct 25

11:01 am - 11:59 pmSDF-PHL

12h 58m1 stop

10:54 am - 6:03 pmPHL-SDF

7h 09m1 stop

$183Spirit Airlines

Find Deal

Fri, Oct 31 - Sun, Nov 2

5:31 pm - 11:36 pmSDF-PHL

6h 05m1 stop

5:25 am - 6:03 pmPHL-SDF

12h 38m1 stop

$185Spirit Airlines

Find Deal

Wed, Oct 29 - Thu, Oct 30

5:31 pm - 11:36 pmSDF-PHL

6h 05m1 stop

5:25 am - 6:03 pmPHL-SDF

12h 38m1 stop

$197Spirit Airlines

Find Deal

Wed, Oct 8 - Sun, Oct 12

6:00 am - 4:49 pmSDF-PHL

10h 49m1 stop

8:05 pm - 9:59 amPHL-SDF

13h 54m1 stop

$201Spirit Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

8:23 am - 11:56 amSDF-PHL

27h 33m1 stop

5:05 am - 10:06 amPHL-SDF

29h 01m1 stop

$208

Find Deal

Sun, Sep 28 - Sun, Oct 12

5:35 am - 5:25 pmSDF-PHL

11h 50m2 stops

5:50 am - 12:10 pmPHL-SDF

6h 20m1 stop

$289Southwest

Find Deal

Wed, Feb 4 - Sat, Feb 7

6:15 am - 1:00 pmSDF-PHL

6h 45m1 stop

12:05 pm - 5:10 pmPHL-SDF

5h 05m1 stop

$293Southwest

Find Deal

Thu, Oct 30 - Mon, Nov 3

5:30 am - 3:20 pmSDF-PHL

9h 50m2 stops

6:25 am - 7:30 pmPHL-SDF

13h 05m2 stops

$300Southwest

Find Deal

Wed, Oct 22 - Sat, Oct 25

1:15 pm - 9:50 pmSDF-PHL

8h 35m2 stops

5:55 am - 1:00 pmPHL-SDF

7h 05m2 stops

$303Southwest

Find Deal

Tue, Sep 30 - Tue, Oct 7

Spirit Airlines flights from Louisville to Philadelphia

Our best Spirit Airlines deals on Louisville to Philadelphia flight tickets

Spirit Airlines

Oct 22

SDF5:31 pmLouisville Intl

6h 05m

1 stop

PHL11:36 pmPhiladelphia

Oct 25

PHL5:25 amPhiladelphia

12h 38m

1 stop

SDF6:03 pmLouisville Intl

$182

Find similar

Spirit Airlines

Oct 31

SDF11:01 amLouisville Intl

12h 58m

1 stop

PHL11:59 pmPhiladelphia

Nov 2

PHL10:54 amPhiladelphia

7h 09m

1 stop

SDF6:03 pmLouisville Intl

$183

Find similar

Spirit Airlines

Oct 29

SDF5:31 pmLouisville Intl

6h 05m

1 stop

PHL11:36 pmPhiladelphia

Oct 30

PHL5:25 amPhiladelphia

12h 38m

1 stop

SDF6:03 pmLouisville Intl

$185

Find similar

Southwest flights from Louisville to Philadelphia

Our best Southwest deals on Louisville to Philadelphia flight tickets

Southwest

Feb 4

SDF5:35 amLouisville Intl

11h 50m

2 stops

PHL5:25 pmPhiladelphia

Feb 7

PHL5:50 amPhiladelphia

6h 20m

1 stop

SDF12:10 pmLouisville Intl

$289

Find similar

Southwest

Oct 30

SDF6:15 amLouisville Intl

6h 45m

1 stop

PHL1:00 pmPhiladelphia

Nov 3

PHL12:05 pmPhiladelphia

5h 05m

1 stop

SDF5:10 pmLouisville Intl

$293

Find similar

Southwest

Oct 22

SDF5:30 amLouisville Intl

9h 50m

2 stops

PHL3:20 pmPhiladelphia

Oct 25

PHL6:25 amPhiladelphia

13h 05m

2 stops

SDF7:30 pmLouisville Intl

$300

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 10/22

5:31 pm-11:36 pm

1 stop6h 05m

Philadelphia

Sat 10/25

5:25 am-6:03 pm

1 stop12h 38m

$182

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 10/31

11:01 am-11:59 pm

1 stop12h 58m

Philadelphia

Sun 11/2

10:54 am-6:03 pm

1 stop7h 09m

$183

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 10/29

5:31 pm-11:36 pm

1 stop6h 05m

Philadelphia

Thu 10/30

5:25 am-6:03 pm

1 stop12h 38m

$185

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 10/8

5:31 pm-11:36 pm

1 stop6h 05m

Philadelphia

Sun 10/12

5:25 am-6:03 pm

1 stop12h 38m

$197

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 11/14

6:00 am-4:49 pm

1 stop10h 49m

Philadelphia

Sun 11/16

8:05 pm-9:59 am

1 stop13h 54m

$201

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sun 9/28

8:23 am-11:56 am

1 stop27h 33m

Philadelphia

Sun 10/12

5:05 am-10:06 am

1 stop29h 01m

$208

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 2/4

5:35 am-5:25 pm

2 stops11h 50m

Philadelphia

Sat 2/7

5:50 am-12:10 pm

1 stop6h 20m

$289

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 10/30

6:15 am-1:00 pm

1 stop6h 45m

Philadelphia

Mon 11/3

12:05 pm-5:10 pm

1 stop5h 05m

$293

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 10/22

5:30 am-3:20 pm

2 stops9h 50m

Philadelphia

Sat 10/25

6:25 am-7:30 pm

2 stops13h 05m

$300

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 9/30

1:15 pm-9:50 pm

2 stops8h 35m

Philadelphia

Tue 10/7

5:55 am-1:00 pm

2 stops7h 05m

$303

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How to get the cheapest flight ticket from Louisville 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 Louisville is in June. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Louisville averaging around $398.

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

The cheapest day to depart from Louisville to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $539. On the other hand, Sunday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $707.

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 Louisville to Philadelphia in the evening for as low as $345. 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 $1,092.

What is the cheapest Louisville Intl to Philadelphia flight route?

Fly from Louisville Intl to Philadelphia for the best Louisville Intl - 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 Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Louisville for as low as $334 on momondo.

What cabin class options are available on Louisville Intl to Philadelphia flights?

There are 3 cabin classes available to choose from on Louisville Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Louisville to Philadelphia flight prices changed over time?

As of August 2025, prices for Louisville to Philadelphia flights are approximately 62% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Philadelphia (SDF to PHL) flight deals and tips

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

Best Price Found	$218
Fastest flight time	1h 56m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Louisville in the past 72 hours is $218. The best round-trip flight deal from Louisville to Philadelphia found on momondo in the last 72 hours is $336.

The fastest flight from Louisville to Philadelphia takes 1h 56m

Direct flights go from Louisville to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

Search flight deals

How far is Louisville Intl to Philadelphia by plane?
Louisville Intl and Philadelphia are 579.7 mi apart from one another. Typically, this will take 5h 04m by plane in normal conditions.
When did momondo last update prices for flights from Louisville Intl Airport to Philadelphia Airport?
Prices for flights from Louisville Intl Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Philadelphia Airport?
There are 4 operators available for flights from Louisville Intl Airport to Philadelphia Airport as of August 2025.
How old do you have to be to fly from Louisville Intl Airport to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Philadelphia?
Based on momondo bookings for flights between Louisville and Philadelphia, the leading plane model is Embraer 175, making up 41.74% of the total bookings. Other popular models include Embraer ERJ-145 with 24.38%, Canadair (Bombardier) Regional Jet 900 with 9.50%, and Airbus A321-100/200 with 3.72%.
What is the most popular airline from Louisville to Philadelphia?
Based on momondo bookings for flights between Louisville and Philadelphia, the leading airline is American Airlines, making up 78% of the total bookings. Other popular airlines include Southwest with 12%, Spirit Airlines with 5%, and Delta with 5%.

Best airlines flying from Louisville to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $165	Free Cancellation	Rating 6.3 8,013 reviews	Search Spirit Airlines flights
Delta	PriceFrom $226	Free Cancellation	Rating 7.9 7,976 reviews	Search Delta flights
Southwest	PriceFrom $238	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

American Airlines Flights From Louisville to Philadelphia
The lowest priced American Airlines flight from Louisville to Philadelphia from the last 72 hours was $277. Generally, American Airlines has 8 flights on this route every week with an average price of $490. American Airlines is rated 7.2/10 by our users.

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Ocean City

Wildwood Crest

King of Prussia

Reading

Dewey Beach

Newark

North Wildwood

Cherry Hill

Dover

Lewes

Avalon

Stone Harbor

Vineland

Essington

Exton

Pottstown

New Castle

Why use momondo?

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

Finding the right flight to Philadelphia from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

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

Flights from Louisville to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Louisville.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Louisville and alert you when they change.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Louisville to Philadelphia from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Philadelphia departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Louisville to Philadelphia (SDF-PHL)

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Spirit Airlines flights from Louisville to Philadelphia

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Our best Southwest deals on Louisville to Philadelphia flight tickets

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How to get the cheapest flight ticket from Louisville 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

What is the cheapest month to fly to Philadelphia?

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

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

What is the cheapest Louisville Intl to Philadelphia flight route?

Fly from Louisville Intl to Philadelphia for the best Louisville Intl - Philadelphia flight prices

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

What cabin class options are available on Louisville Intl to Philadelphia flights?

There are 3 cabin classes available to choose from on Louisville Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Louisville to Philadelphia flight prices changed over time?

As of August 2025, prices for Louisville to Philadelphia flights are approximately 62% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Louisville Intl to Philadelphia?

Spirit Airlines, Southwest, and United Airlines are the most popular carriers operating from Louisville Intl to Philadelphia

What airlines fly to Philadelphia?

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

The number of flights available between Louisville and Philadelphia is 4 per day as of August 2025. The most frequent departure time is 3:00PM, with 57% of daily flights leaving at noon.

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

As of August 2025, 31 flights take off from Louisville and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 29% of weekly flights taking off on this day.

When to book flights from Louisville to Philadelphia

Cheap Louisville to Philadelphia (SDF to PHL) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Philadelphia

How far is Louisville Intl to Philadelphia by plane?

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

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

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

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

What is the most popular plane model from Louisville to Philadelphia?

What is the most popular airline from Louisville to Philadelphia?

Best airlines flying from Louisville to Philadelphia

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

American Airlines Flights From Louisville to Philadelphia

Traveling to a place near Philadelphia?

Why use momondo?

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

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

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

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

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania