How popular is this Philadelphia to Louisville flight route?

Within the past month, 1 users have taken a look at flights from Philadelphia to Louisville Intl.

How long is the flight from Philadelphia to Louisville?

Airlines like Spirit Airlines and Southwest fly from Philadelphia to Louisville in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 01m. Philadelphia and Louisville are separated by a distance of 575 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Philadelphia to Louisville round-trip?

According to our current data, Spirit Airlines ($162), Delta ($226), and United Airlines ($256) offers the cheapest pricing from Philadelphia to Louisville. You may be able to fly from Philadelphia to Louisville for 66% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Philadelphia to Louisville?

The cheapest flight price from Philadelphia to Louisville is $489. On average you can expect to pay $569. The most popular route, (Philadelphia - Louisville Intl), can usually be booked for $167.

What are the most reliable airlines from Philadelphia to Louisville?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Louisville on time: Alaska Airlines (93%), Piedmont Airlines (91%), PSA Airlines (90%).

What are the most popular airlines that fly from Philadelphia to Louisville?

The most popular airlines flying from Philadelphia to Louisville are American Airlines, Southwest and Delta. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Philadelphia-Louisville flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Philadelphia-Louisville flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Philadelphia-Louisville flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Philadelphia to Louisville?

If you book a flight from Philadelphia to Louisville, you will be flying from Philadelphia to Louisville Intl. Flights to Louisville Intl (SDF) from Philadelphia (PHL) take 2h 14m for a nonstop flight. There are 4 flights from Philadelphia to Louisville per day from 5 airlines.

Can I find deals for flights from Philadelphia to Louisville that include hotel bookings?

Yes. In addition to deals on Philadelphia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Philadelphia to Louisville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Louisville.

Can I find deals for business class flights from Philadelphia to Louisville?

Yes. Cheapflights offers flight deals from Philadelphia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$70+ Flights from Philadelphia to Louisville

Q: How much does it cost to fly round-trip from Philadelphia to Louisville?

Airfare is below average for this route at the moment. Philadelphia to Louisville flights typically cost between $449 and $531 in January. The cheapest round-trip price found within the last 3 days was $140 on Spirit Airlines (Jan 9-Jan 12).

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Find cheap flights from Philadelphia to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Philadelphia to Louisville Intl are usually found in February or May, booked 73 days in advance, depart on a Monday or Wednesday and return on a Friday

Find flight deals from Philadelphia to Louisville

Cheapest flights from Philadelphia to Louisville
Explore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Wed 12/318:27 amPHL - SDF

1 stop8h 52mAmerican Airlines

Wed 1/78:07 amSDF - PHL

1 stop12h 18mAmerican Airlines

Deal found 12/1

$198

Sun 12/145:45 pmPHL - SDF

1 stop17h 15mMultiple Airlines

Thu 12/182:55 pmSDF - PHL

1 stop8h 20mMultiple Airlines

Deal found 11/29

$216

Wed 12/106:32 pmPHL - SDF

2 stops19h 43mMultiple Airlines

Fri 12/1211:21 amSDF - PHL

1 stop13h 15mMultiple Airlines

Deal found 11/29

$241

Wed 12/316:00 amPHL - SDF

2 stops17h 59mMultiple Airlines

Wed 1/75:05 amSDF - PHL

1 stop14h 08mMultiple Airlines

Deal found 12/1

$245

Mon 12/810:35 amPHL - SDF

2 stops30h 20mMultiple Airlines

Mon 12/1511:21 amSDF - PHL

1 stop27h 37mMultiple Airlines

Deal found 11/30

$265

Mon 12/226:00 amPHL - SDF

2 stops17h 59mMultiple Airlines

Thu 12/252:55 pmSDF - PHL

1 stop8h 20mMultiple Airlines

Deal found 11/30

$274

Sat 12/135:45 pmPHL - SDF

1 stop17h 15mMultiple Airlines

Sun 12/147:44 pmSDF - PHL

2 stops29h 07mMultiple Airlines

Deal found 11/30

$279

Wed 12/103:45 pmPHL - SDF

1 stop19h 15mMultiple Airlines

Sun 12/142:55 pmSDF - PHL

1 stop19h 07mMultiple Airlines

Deal found 12/1

$288

Best flights from Philadelphia to Louisville
Discover carefully curated flight deals from Philadelphia to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 1, 2025.

Wed 1/74:25 pmPHL - SDF

1 stop7h 34mMultiple Airlines

Mon 1/126:54 pmSDF - PHL

1 stop20h 54mMultiple Airlines

Deal found 11/29

$169

Thu 1/88:20 amPHL - SDF

1 stop6h 21mSpirit Airlines

Fri 1/91:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Deal found 11/29

$171

Sat 1/105:50 amPHL - SDF

1 stop6h 20mSouthwest

Tue 1/136:45 amSDF - PHL

1 stop6h 10mSouthwest

Deal found 11/30

$270

Wed 1/76:00 amPHL - SDF

2 stops17h 59mSpirit Airlines

Mon 1/121:55 pmSDF - PHL

2 stops9h 55mSpirit Airlines

Deal found 11/29

$211

Sat 1/248:43 pmPHL - SDF

2 stops17h 58mMultiple Airlines

Mon 1/266:54 pmSDF - PHL

2 stops27h 09mMultiple Airlines

Deal found 11/29

$301

Sat 1/105:50 amPHL - SDF

1 stop6h 20mSouthwest

Mon 1/1211:50 amSDF - PHL

1 stop5h 35mSouthwest

Deal found 11/30

$307

Sat 1/108:43 pmPHL - SDF

2 stops17h 58mSpirit Airlines

Mon 1/121:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Deal found 11/30

$282

Sat 12/206:00 amPHL - SDF

2 stops17h 59mMultiple Airlines

Sun 12/212:55 pmSDF - PHL

1 stop9h 04mMultiple Airlines

Deal found 11/29

$333

Last-minute flights from Philadelphia to Louisville
Discover last-minute flight deals from Philadelphia to Louisville. Data last updated December 1, 2025 and is based on user searches.

Wed 12/318:27 amPHL - SDF

1 stop8h 52mAmerican Airlines

Wed 1/78:07 amSDF - PHL

1 stop12h 18mAmerican Airlines

Deal found 12/1

$198

Wed 1/74:25 pmPHL - SDF

1 stop7h 34mMultiple Airlines

Mon 1/126:54 pmSDF - PHL

1 stop20h 54mMultiple Airlines

Deal found 11/29

$169

Wed 1/76:00 amPHL - SDF

2 stops17h 59mSpirit Airlines

Mon 1/121:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Deal found 11/29

$178

Thu 1/88:20 amPHL - SDF

1 stop6h 21mSpirit Airlines

Fri 1/91:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Deal found 11/29

$171

Fri 1/95:30 amPHL - SDF

1 stop7h 30mSpirit Airlines

Mon 1/121:55 pmSDF - PHL

1 stop5h 53mSpirit Airlines

Deal found 12/1

$140

Fri 1/95:30 amPHL - SDF

1 stop7h 30mMultiple Airlines

Mon 1/126:54 pmSDF - PHL

2 stops27h 09mMultiple Airlines

Deal found 12/1

$196

Mon 1/195:50 pmPHL - SDF

1 stop20h 51mMultiple Airlines

Mon 1/261:55 pmSDF - PHL

1 stop24h 49mMultiple Airlines

Deal found 11/29

$165

Tue 1/276:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Fri 1/301:55 pmSDF - PHL

1 stop5h 53mSpirit Airlines

Deal found 12/1

$163

Tue 1/2712:39 pmPHL - SDF

2 stops24h 21mMultiple Airlines

Fri 1/301:55 pmSDF - PHL

1 stop8h 37mMultiple Airlines

Deal found 12/1

$204

One-way flights from Philadelphia to Louisville
Search for one-way flight options from Philadelphia to Louisville. Find affordable one-way fares based on user searches. Data last updated December 1, 2025.

Fri 1/95:30 amPHL - SDF

1 stop7h 30mSpirit Airlines

Deal found 11/28

$70

Tue 1/278:25 pmPHL - SDF

1 stop16h 35mMultiple Airlines

Deal found 11/29

$80

Wed 2/253:14 pmPHL - SDF

1 stop23h 24mMultiple Airlines

Deal found 11/28

$86

Sat 1/316:11 pmPHL - SDF

1 stop20h 30mSpirit Airlines

Deal found 11/29

$91

Sun 1/2510:45 pmPHL - SDF

1 stop14h 15mMultiple Airlines

Deal found 11/29

$93

Thu 2/266:00 amPHL - SDF

1 stop26h 40mMultiple Airlines

Deal found 11/30

$97

Fri 2/275:40 pmPHL - SDF

1 stop17h 25mMultiple Airlines

Deal found 11/28

$99

Wed 3/45:30 amPHL - SDF

1 stop6h 51mSpirit Airlines

Deal found 12/1

$105

Mon 1/268:35 pmPHL - SDF

2 stops18h 06mMultiple Airlines

Deal found 11/29

$109

Sun 3/110:00 pmPHL - SDF

1 stop14h 21mMultiple Airlines

Deal found 11/28

$110

Sat 12/135:45 pmPHL - SDF

1 stop17h 15mMultiple Airlines

Deal found 11/30

$111

Cheap flight deals from Philadelphia to Louisville

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$140 (Cheapflightsfares)
One-way from	$70 (Cheapflightsfares)
Popular in	October
Cheapest in	February
Average price	$509
Good round-trip deal	$509 or less

Provider with most accurate pricing for Philadelphia-Louisville Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Philadelphia-Louisville Intl flights.

Search Deals

From Philadelphia to Louisville Intl

Search Deals

One-way flight from Philadelphia to Louisville Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Philadelphia to Louisville Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 1/7

4:25 pm-11:59 pm

1 stop7h 34m

Louisville Intl

Mon 1/12

6:54 pm-3:48 pm

1 stop20h 54m

$169

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 1/8

8:20 am-2:41 pm

1 stop6h 21m

Louisville Intl

Fri 1/9

1:55 pm-10:03 pm

1 stop8h 08m

$171

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 1/7

6:00 am-11:59 pm

2 stops17h 59m

Louisville Intl

Mon 1/12

1:55 pm-11:50 pm

2 stops9h 55m

$211

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 1/10

5:50 am-12:10 pm

1 stop6h 20m

Louisville Intl

Tue 1/13

6:45 am-12:55 pm

1 stop6h 10m

$270

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 1/10

8:43 pm-2:41 pm

2 stops17h 58m

Louisville Intl

Mon 1/12

1:55 pm-10:03 pm

1 stop8h 08m

$282

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 1/24

8:43 pm-2:41 pm

2 stops17h 58m

Louisville Intl

Mon 1/26

6:54 pm-10:03 pm

2 stops27h 09m

$301

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 1/10

5:50 am-12:10 pm

1 stop6h 20m

Louisville Intl

Mon 1/12

11:50 am-5:25 pm

1 stop5h 35m

$307

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 12/20

6:00 am-11:59 pm

2 stops17h 59m

Louisville Intl

Sun 12/21

2:55 pm-11:59 pm

1 stop9h 04m

$333

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Fri 1/9

5:30 am-1:00 pm

1 stop7h 30m

$70

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 1/29

9:02 pm-1:00 pm

1 stop15h 58m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 19 results

Compare providers for flights from Philadelphia to Louisville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Louisville in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Philadelphia-Louisville flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Philadelphia-Louisville flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Philadelphia-Louisville flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Philadelphia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Louisville

How far ahead should I book a flight from Philadelphia to Louisville?

To ensure you get the cheapest price possible for a flight from Philadelphia to Louisville, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Louisville?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $46). Flying from Philadelphia to Louisville in September is currently the most expensive (average of $152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to SDF?

It’s typically best to fly out from Philadelphia to Louisville in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Philadelphia to Louisville?

Travelers seeking maximum savings on their Philadelphia to Louisville flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Philadelphia to Louisville?

Reviews of airlines servicing Louisville

Read through reviews of airlines operating flights from Philadelphia to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Southwest

8.0

Very good

4,253 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Delta

7.9

Good

8,010 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

United Airlines

7.4

Good

9,065 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

American Airlines

7.2

Good

11,041 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Spirit Airlines

6.3

Okay

8,155 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

What airports do I use to fly from Philadelphia to Louisville?
If you book a flight from Philadelphia to Louisville, you will be flying from Philadelphia to Louisville Intl. Flights to Louisville Intl (SDF) from Philadelphia (PHL) take 2h 14m for a nonstop flight. There are 4 flights from Philadelphia to Louisville per day from 5 airlines.
How popular is this Philadelphia to Louisville flight route?
Within the past month, 1 users have taken a look at flights from Philadelphia to Louisville Intl.
How long is the flight from Philadelphia to Louisville?
Airlines like Spirit Airlines and Southwest fly from Philadelphia to Louisville in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 01m. Philadelphia and Louisville are separated by a distance of 575 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Philadelphia to Louisville round-trip?
According to our current data, Spirit Airlines ($162), Delta ($226), and United Airlines ($256) offers the cheapest pricing from Philadelphia to Louisville. You may be able to fly from Philadelphia to Louisville for 66% less than the average price by searching for these airlines.
What are the most reliable airlines from Philadelphia to Louisville?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Louisville on time: Alaska Airlines (93%), Piedmont Airlines (91%), PSA Airlines (90%).
What are the cheapest flights from Philadelphia to Louisville?
The cheapest flight price from Philadelphia to Louisville is $489. On average you can expect to pay $569. The most popular route, (Philadelphia - Louisville Intl), can usually be booked for $167.
Can I find deals for flights from Philadelphia to Louisville that include hotel bookings?
Yes. In addition to deals on Philadelphia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Louisville.
Can I find deals for business class flights from Philadelphia to Louisville?
Yes. Cheapflights offers flight deals from Philadelphia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Philadelphia to Louisville?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $46). Flying from Philadelphia to Louisville in September is currently the most expensive (average of $152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Shepherdsville

Jeffersonville

Elizabethtown

Corydon

Bardstown

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Philadelphia to Louisville

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$162	Average$224	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$226	Average$369	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$256	Average$420	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$258	Average$396	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$310	Average$509	FlexibilityNo cancel fee	On-time71%

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$70+ Cheap flights from Philadelphia to Louisville (PHL - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Louisville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Louisville Intl are usually found in February or May, booked 73 days in advance, depart on a Monday or Wednesday and return on a Friday

Find flight deals from Philadelphia to Louisville

Cheapest flights from Philadelphia to LouisvilleExplore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Explore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Cheap flight deals from Philadelphia to Louisville

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Louisville that are best for you.

Compare providers for flights from Philadelphia to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Louisville in December.

Best time to book a flight from Philadelphia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Philadelphia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Louisville

How far ahead should I book a flight from Philadelphia to Louisville?

What is the cheapest month to book a flight from Philadelphia to Louisville?

What is the cheapest time of day to fly from PHL to SDF?

What is the cheapest day to fly from Philadelphia to Louisville?

How much does it cost to fly round-trip from Philadelphia to Louisville?

Reviews of airlines servicing Louisville

Read through reviews of airlines operating flights from Philadelphia to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Philadelphia to Louisville?

How popular is this Philadelphia to Louisville flight route?

How long is the flight from Philadelphia to Louisville?

What are the cheapest airlines flying from Philadelphia to Louisville round-trip?

What are the most reliable airlines from Philadelphia to Louisville?

What are the cheapest flights from Philadelphia to Louisville?

Can I find deals for flights from Philadelphia to Louisville that include hotel bookings?

How can I find direct flights from Philadelphia to Louisville?

Can I find deals for business class flights from Philadelphia to Louisville?

What is the cheapest month to book a flight from Philadelphia to Louisville?

Traveling to a place near Louisville?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Philadelphia to Louisville

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Cheapest flights from Philadelphia to Louisville
Explore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.