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 41% 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 5 per day as of March 2026. The most frequent departure time is 11:00AM, with 74% of daily flights leaving at noon.

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

As of March 2026, 39 flights take off from Louisville and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

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

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 3 operators available for flights from Louisville Intl Airport to Philadelphia Airport as of March 2026.

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 in 2026

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7:48 pm - 9:49 am

SDF

PHL

14h 01m

1 stop

7:00 am - 5:04 pm

PHL

SDF

10h 04m

1 stop

$231Multiple Airlines

Fri, Apr 17 - Mon, Apr 20

6:06 pm - 9:49 am

SDF

PHL

15h 43m

1 stop

6:12 pm - 5:04 pm

PHL

SDF

22h 52m

1 stop

$232Spirit Airlines

Fri, May 1 - Sun, May 3

11:16 am - 4:02 pm

SDF

PHL

28h 46m

1 stop

7:00 am - 5:04 pm

PHL

SDF

10h 04m

1 stop

$233Multiple Airlines

Fri, Apr 17 - Mon, Apr 20

7:48 pm - 9:49 am

SDF

PHL

14h 01m

1 stop

7:45 am - 5:04 pm

PHL

SDF

9h 19m

1 stop

$235Multiple Airlines

Fri, Apr 24 - Sun, Apr 26

6:06 pm - 9:49 am

SDF

PHL

15h 43m

1 stop

6:12 pm - 5:04 pm

PHL

SDF

22h 52m

1 stop

$236Spirit Airlines

Fri, May 1 - Sun, May 3

6:06 pm - 9:49 am

SDF

PHL

15h 43m

1 stop

11:48 am - 1:31 pm

PHL

SDF

25h 43m

1 stop

$241Multiple Airlines

Mon, Apr 27 - Wed, Apr 29

9:12 pm - 11:08 pm

SDF

PHL

25h 56m

1 stop

7:00 am - 6:58 pm

PHL

SDF

11h 58m

1 stop

$244Multiple Airlines

Thu, Apr 30 - Mon, May 4

12:20 pm - 3:37 pm

SDF

PHL

27h 17m

1 stop

7:12 pm - 11:26 am

PHL

SDF

16h 14m

1 stop

$247Multiple Airlines

Wed, Jun 24 - Tue, Jun 30

6:06 pm - 9:49 am

SDF

PHL

15h 43m

1 stop

6:12 pm - 5:04 pm

PHL

SDF

22h 52m

1 stop

$251Spirit Airlines

Fri, Apr 17 - Sun, Apr 19

2:27 pm - 9:33 pm

SDF

PHL

7h 06m

1 stop

6:12 pm - 6:58 pm

PHL

SDF

24h 46m

1 stop

$252Multiple Airlines

Thu, Apr 30 - Sun, May 3

Spirit Airlines flights from Louisville to Philadelphia

Our best Spirit Airlines deals on Louisville to Philadelphia flight tickets

Spirit Airlines

May 1

SDF6:06 pmLouisville Intl

15h 43m

1 stop

PHL9:49 amPhiladelphia

May 3

PHL6:12 pmPhiladelphia

22h 52m

1 stop

SDF5:04 pmLouisville Intl

$232

Spirit Airlines

May 1

SDF6:06 pmLouisville Intl

15h 43m

1 stop

PHL9:49 amPhiladelphia

May 3

PHL6:12 pmPhiladelphia

22h 52m

1 stop

SDF5:04 pmLouisville Intl

$236

Spirit Airlines

Apr 17

SDF6:06 pmLouisville Intl

15h 43m

1 stop

PHL9:49 amPhiladelphia

Apr 19

PHL6:12 pmPhiladelphia

22h 52m

1 stop

SDF5:04 pmLouisville Intl

$251

Delta flights from Louisville to Philadelphia

Our best Delta deals on Louisville to Philadelphia flight tickets

Delta

Apr 4

SDF10:33 amLouisville Intl

6h 00m

1 stop

PHL4:33 pmPhiladelphia

Apr 11

PHL6:05 amPhiladelphia

3h 48m

1 stop

SDF9:53 amLouisville Intl

$545

Delta

Mar 28

SDF2:00 pmLouisville Intl

6h 52m

1 stop

PHL8:52 pmPhiladelphia

Mar 30

PHL3:36 pmPhiladelphia

7h 07m

1 stop

SDF10:43 pmLouisville Intl

$574

Delta

Apr 4

SDF10:33 amLouisville Intl

6h 00m

1 stop

PHL4:33 pmPhiladelphia

Apr 11

PHL6:05 amPhiladelphia

3h 48m

1 stop

SDF9:53 amLouisville Intl

$622

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 4/17

7:48 pm-9:49 am

1 stop14h 01m

Philadelphia

Mon 4/20

7:00 am-5:04 pm

1 stop10h 04m

$231

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/1

6:06 pm-9:49 am

1 stop15h 43m

Philadelphia

Sun 5/3

6:12 pm-5:04 pm

1 stop22h 52m

$232

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 4/17

11:16 am-4:02 pm

1 stop28h 46m

Philadelphia

Mon 4/20

7:00 am-5:04 pm

1 stop10h 04m

$233

Quickest round-trip

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 4/24

7:48 pm-9:49 am

1 stop14h 01m

Philadelphia

Sun 4/26

7:45 am-5:04 pm

1 stop9h 19m

$235

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/1

6:06 pm-9:49 am

1 stop15h 43m

Philadelphia

Sun 5/3

6:12 pm-5:04 pm

1 stop22h 52m

$236

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 4/27

6:06 pm-9:49 am

1 stop15h 43m

Philadelphia

Wed 4/29

11:48 am-1:31 pm

1 stop25h 43m

$241

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 4/30

9:12 pm-11:08 pm

1 stop25h 56m

Philadelphia

Mon 5/4

7:00 am-6:58 pm

1 stop11h 58m

$244

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 6/24

12:20 pm-3:37 pm

1 stop27h 17m

Philadelphia

Tue 6/30

7:12 pm-11:26 am

1 stop16h 14m

$247

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 4/17

6:06 pm-9:49 am

1 stop15h 43m

Philadelphia

Sun 4/19

6:12 pm-5:04 pm

1 stop22h 52m

$251

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 4/30

2:27 pm-9:33 pm

1 stop7h 06m

Philadelphia

Sun 5/3

6:12 pm-6:58 pm

1 stop24h 46m

$252

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $378, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Philadelphia, with average flight prices from Louisville averaging around $423.

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

The cheapest day to depart from Louisville to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $456. On the other hand, Monday 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 $697.

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 morning. momondo users have found flights departing from Louisville to Philadelphia in the morning for as low as $481. 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 in the afternoon when prices are around $996.

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 $520 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 $331 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.

Can stopping save me money on Louisville to Philadelphia flights?

No. A direct flight is the cheapest option for a flight between Louisville to Philadelphia.

How have Louisville to Philadelphia flight prices changed over time?

As of March 2026, prices for Louisville to Philadelphia flights are approximately 14% 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	$340
Fastest flight time	1h 59m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Louisville in the past 72 hours is $340. The best round-trip flight deal from Louisville to Philadelphia found on momondo in the last 72 hours is $493.

The fastest flight from Louisville to Philadelphia takes 1h 59m

Direct flights go from Louisville to Philadelphia every day.

There is 1 airport in Philadelphia. From Louisville there are direct flights to 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 1h 59m 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 3 operators available for flights from Louisville Intl Airport to Philadelphia Airport as of March 2026.
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 27.88% of the total bookings. Other popular models include Embraer ERJ-145 with 20.07%, Canadair (Bombardier) Regional Jet 900 with 19.70%, and Boeing 737 MAX 8 with 5.58%.
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 88% of the total bookings. Other popular airlines include Southwest with 8% and Spirit Airlines with 4%.

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 $119	Free Cancellation	Rating 6.3 8,533 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $215	Free Cancellation	Rating 8.0 4,325 reviews	Search Southwest flights
American Airlines	PriceFrom $281	Free Cancellation	Rating 7.1 11,485 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 $281. Generally, American Airlines has 19 flights on this route every week with an average price of $519. American Airlines is rated 7.1/10 by our users.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

Essington

New Castle

Vineland

Pottstown

Somers Point

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.