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

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

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

As of July 2025, 58 flights take off from Louisville and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

What airlines fly to Philadelphia?

American Airlines, United Airlines and Delta 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 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.

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

The number of flights available between Louisville and Philadelphia is 8 per day as of July 2025. The most frequent departure time is 3:00PM, with 56% of daily flights leaving at noon.

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 July 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.

$97 Cheap Flights from Louisville to Philadelphia in 2025

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Find the cheapest flights from Louisville to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:40 am - 9:39 pmSDF-PHL

9h 59m1 stop

6:35 am - 10:35 amPHL-SDF

4h 00m1 stop

$194Spirit Airlines

Find Deal

Thu, Oct 2 - Sun, Oct 5

2:46 pm - 8:49 pmSDF-PHL

6h 03m1 stop

7:00 am - 1:51 pmPHL-SDF

6h 51m1 stop

$195Spirit Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

7:45 am - 12:53 pmSDF-PHL

5h 08m1 stop

6:35 am - 10:35 amPHL-SDF

4h 00m1 stop

$206Spirit Airlines

Find Deal

Sat, Sep 6 - Sun, Sep 7

7:45 am - 12:53 pmSDF-PHL

5h 08m1 stop

6:35 am - 10:35 amPHL-SDF

4h 00m1 stop

$207Spirit Airlines

Find Deal

Sat, Sep 6 - Sun, Sep 7

11:40 am - 9:39 pmSDF-PHL

9h 59m1 stop

1:58 pm - 10:40 pmPHL-SDF

8h 42m1 stop

$210Spirit Airlines

Find Deal

Sun, Sep 21 - Wed, Sep 24

12:24 pm - 11:20 pmSDF-PHL

10h 56m1 stop

7:00 am - 1:51 pmPHL-SDF

6h 51m1 stop

$225

Find Deal

Fri, Aug 15 - Sun, Aug 17

11:50 am - 8:20 pmSDF-PHL

8h 30m2 stops

5:25 am - 12:25 pmPHL-SDF

7h 00m1 stop

$242Southwest

Find Deal

Sat, Oct 25 - Wed, Oct 29

6:34 am - 2:50 pmSDF-PHL

8h 16m1 stop

6:00 am - 2:12 pmPHL-SDF

8h 12m1 stop

$243American Airlines

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Wed, Aug 6 - Thu, Aug 7

5:40 am - 3:15 pmSDF-PHL

9h 35m2 stops

8:10 am - 5:30 pmPHL-SDF

9h 20m2 stops

$247Southwest

Find Deal

Sat, Oct 25 - Wed, Oct 29

9:46 am - 4:16 pmSDF-PHL

6h 30m1 stop

2:05 pm - 8:48 pmPHL-SDF

6h 43m1 stop

$251

Find Deal

Wed, Jul 30 - Sat, Aug 2

Southwest flights from Louisville to Philadelphia

Our best Southwest deals on Louisville to Philadelphia flight tickets

Southwest

Oct 25

SDF11:50 amLouisville Intl

8h 30m

2 stops

PHL8:20 pmPhiladelphia

Oct 29

PHL5:25 amPhiladelphia

7h 00m

1 stop

SDF12:25 pmLouisville Intl

$242

Find similar

Southwest

Oct 25

SDF5:40 amLouisville Intl

9h 35m

2 stops

PHL3:15 pmPhiladelphia

Oct 29

PHL8:10 amPhiladelphia

9h 20m

2 stops

SDF5:30 pmLouisville Intl

$247

Find similar

Southwest

Sep 12

SDF1:15 pmLouisville Intl

9h 20m

2 stops

PHL10:35 pmPhiladelphia

Sep 15

PHL5:55 amPhiladelphia

6h 25m

1 stop

SDF12:20 pmLouisville Intl

$264

Find similar

Spirit Airlines flights from Louisville to Philadelphia

Our best Spirit Airlines deals on Louisville to Philadelphia flight tickets

Spirit Airlines

Oct 2

SDF11:40 amLouisville Intl

9h 59m

1 stop

PHL9:39 pmPhiladelphia

Oct 5

PHL6:35 amPhiladelphia

4h 00m

1 stop

SDF10:35 amLouisville Intl

$194

Find similar

Spirit Airlines

Aug 14

SDF2:46 pmLouisville Intl

6h 03m

1 stop

PHL8:49 pmPhiladelphia

Aug 17

PHL7:00 amPhiladelphia

6h 51m

1 stop

SDF1:51 pmLouisville Intl

$195

Find similar

Spirit Airlines

Sep 6

SDF7:45 amLouisville Intl

5h 08m

1 stop

PHL12:53 pmPhiladelphia

Sep 7

PHL6:35 amPhiladelphia

4h 00m

1 stop

SDF10:35 amLouisville Intl

$206

Find similar

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 August is another great option to travel to Philadelphia, with average flight prices from Louisville averaging around $388.

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

The cheapest day to depart from Louisville to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $543. 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 $719.

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 $456 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 $302 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 July 2025, prices for Louisville to Philadelphia flights are approximately 49% cheaper 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	$97
Fastest flight time	4h 25m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Louisville in the past 72 hours is $97. The best round-trip flight deal from Louisville to Philadelphia found on momondo in the last 72 hours is $194.

The fastest flight from Louisville to Philadelphia takes 4h 25m

Direct flights go from Louisville to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

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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 08m 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 July 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 44.81% of the total bookings. Other popular models include Embraer ERJ-145 with 33.23%, Canadair (Bombardier) Regional Jet 900 with 8.90%, and Boeing 737 MAX 8 with 1.19%.
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 79% of the total bookings. Other popular airlines include Southwest with 11%, 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 8,043 reviews	Search Spirit Airlines flights
Delta	PriceFrom $226	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights
Southwest	PriceFrom $238	Free Cancellation	Rating 8.0 4,239 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 19 flights on this route every week with an average price of $474. American Airlines is rated 7.2/10 by our users.

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Rehoboth Beach

Cape May

Ocean City

Wildwood Crest

King of Prussia

Reading

Dewey Beach

Newark

Cherry Hill

Dover

North Wildwood

Lewes

Avalon

Stone Harbor

Vineland

Exton

Essington

New Castle

Pottstown

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.

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Cheap flights from Louisville to Philadelphia 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 Louisville to Philadelphia departing on 10/2. 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

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Southwest flights from Louisville to Philadelphia

Our best Southwest deals on Louisville to Philadelphia flight tickets

Spirit Airlines flights from Louisville to Philadelphia

Our best Spirit Airlines 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 July 2025, prices for Louisville to Philadelphia flights are approximately 49% cheaper 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 American 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 8 per day as of July 2025. The most frequent departure time is 3:00PM, with 56% of daily flights leaving at noon.

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

As of July 2025, 58 flights take off from Louisville and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 16% 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