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 fly from Philadelphia to Louisville in about 16h 17m. The time it takes to get you to your destination can typically vary by up to . Philadelphia and Louisville are separated by a distance of 575 mi.

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

According to our current data, Spirit Airlines ($144), Delta ($192), and Southwest ($258) offers the cheapest pricing from Philadelphia to Louisville. You may be able to fly from Philadelphia to Louisville for 70% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Philadelphia to Louisville one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $113. Users have also found prices from $153 and $158 on American Airlines and Southwest, respectively.

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 $509. On average you can expect to pay $591. The most popular route, (Philadelphia - Louisville Intl), can usually be booked for $147.

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: Republic Airways (94%), Piedmont Airlines (87%), Alaska Airlines (85%).

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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 3 flights from Philadelphia to Louisville per day from 4 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

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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 Saturday

Cheap 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 diciembre 16, 2025.

sáb. 12/277:18 pmPHL - SDF

1 stop18h 57mMultiple Airlines

mié. 1/75:05 amSDF - PHL

1 stop14h 08mMultiple Airlines

Deal found 12/14

$349

mié. 12/316:00 amPHL - SDF

2 stops17h 59mMultiple Airlines

vie. 1/25:05 amSDF - PHL

1 stop18h 33mMultiple Airlines

Deal found 12/16

$387

sáb. 12/277:18 pmPHL - SDF

1 stop18h 57mMultiple Airlines

mié. 12/315:05 amSDF - PHL

1 stop18h 12mMultiple Airlines

Deal found 12/13

$412

mar. 12/306:00 amPHL - SDF

1 stop8h 15mMultiple Airlines

vie. 1/25:05 amSDF - PHL

1 stop18h 33mMultiple Airlines

Deal found 12/15

$433

dom. 12/1410:00 pmPHL - SDF

2 stops13h 00mMultiple Airlines

dom. 12/212:55 pmSDF - PHL

1 stop19h 07mMultiple Airlines

Deal found 12/14

$434

dom. 12/288:54 pmPHL - SDF

1 stop17h 23mMultiple Airlines

mié. 12/315:05 amSDF - PHL

1 stop18h 12mMultiple Airlines

Deal found 12/16

$490

mié. 12/311:50 pmPHL - SDF

2 stops9h 15mSouthwest

vie. 1/26:20 amSDF - PHL

2 stops10h 10mSouthwest

Deal found 12/16

$504

jue. 12/187:05 amPHL - SDF

1 stop11h 59mMultiple Airlines

sáb. 12/205:05 amSDF - PHL

1 stop18h 33mMultiple Airlines

Deal found 12/15

$512

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 diciembre 16, 2025.

dom. 1/118:43 pmPHL - SDF

1 stop16h 17mSpirit Airlines

mié. 1/141:55 pmSDF - PHL

2 stops18h 52mSpirit Airlines

Deal found 12/15

$199

lun. 1/126:00 amPHL - SDF

1 stop7h 00mMultiple Airlines

lun. 1/191:55 pmSDF - PHL

2 stops33h 55mMultiple Airlines

Deal found 12/15

$229

mar. 1/62:10 pmPHL - SDF

2 stops8h 00mSouthwest

jue. 1/811:50 amSDF - PHL

2 stops10h 05mSouthwest

Deal found 12/14

$377

jue. 2/197:30 amPHL - SDF

1 stop12h 52mMultiple Airlines

vie. 2/201:19 pmSDF - PHL

1 stop8h 40mMultiple Airlines

Deal found 12/15

$235

mié. 2/115:30 amPHL - SDF

1 stop7h 30mSpirit Airlines

sáb. 2/1412:00 pmSDF - PHL

1 stop7h 51mSpirit Airlines

Deal found 12/16

$263

jue. 1/228:43 pmPHL - SDF

2 stops21h 21mMultiple Airlines

jue. 1/298:27 pmSDF - PHL

3 stops36h 20mMultiple Airlines

Deal found 12/15

$273

mar. 3/1010:38 pmPHL - SDF

1 stop13h 43mMultiple Airlines

mar. 3/173:33 pmSDF - PHL

1 stop8h 25mMultiple Airlines

Deal found 12/14

$312

dom. 1/115:30 amPHL - SDF

3 stops28h 37mMultiple Airlines

mié. 1/141:55 pmSDF - PHL

3 stops30h 06mMultiple Airlines

Deal found 12/15

$320

jue. 3/265:30 amPHL - SDF

1 stop7h 56mMultiple Airlines

dom. 3/298:14 pmSDF - PHL

1 stop17h 17mMultiple Airlines

Deal found 12/16

$348

mié. 2/116:40 pmPHL - SDF

2 stops19h 58mMultiple Airlines

vie. 2/139:30 amSDF - PHL

1 stop10h 21mMultiple Airlines

Deal found 12/16

$372

Last-minute flights from Philadelphia to Louisville
Discover last-minute flight deals from Philadelphia to Louisville. Data last updated diciembre 16, 2025 and is based on user searches.

mié. 1/712:23 pmPHL - SDF

1 stop11h 36mMultiple Airlines

jue. 1/87:00 amSDF - PHL

1 stop13h 01mMultiple Airlines

Deal found 12/15

$172

mié. 1/76:00 amPHL - SDF

2 stops17h 59mSpirit Airlines

jue. 1/87:00 amSDF - PHL

2 stops12h 48mSpirit Airlines

Deal found 12/15

$227

jue. 1/86:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

mar. 1/133:36 pmSDF - PHL

1 stop8h 14mSpirit Airlines

Deal found 12/14

$164

vie. 1/96:00 amPHL - SDF

1 stop7h 00mMultiple Airlines

lun. 1/126:54 pmSDF - PHL

1 stop16h 20mMultiple Airlines

Deal found 12/13

$187

dom. 1/115:10 amPHL - SDF

1 stop28h 57mMultiple Airlines

mié. 1/141:55 pmSDF - PHL

1 stop18h 41mMultiple Airlines

Deal found 12/15

$147

dom. 1/118:43 pmPHL - SDF

1 stop16h 17mSpirit Airlines

mié. 1/141:55 pmSDF - PHL

2 stops18h 52mSpirit Airlines

Deal found 12/15

$199

lun. 1/126:11 pmPHL - SDF

1 stop20h 30mSpirit Airlines

lun. 1/191:55 pmSDF - PHL

2 stops21h 19mSpirit Airlines

Deal found 12/13

$226

lun. 1/126:00 amPHL - SDF

1 stop7h 00mMultiple Airlines

lun. 1/191:55 pmSDF - PHL

2 stops33h 55mMultiple Airlines

Deal found 12/15

$229

jue. 1/228:43 pmPHL - SDF

2 stops21h 21mMultiple Airlines

jue. 1/293:36 pmSDF - PHL

1 stop8h 14mMultiple Airlines

Deal found 12/15

$197

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 diciembre 16, 2025.

mar. 1/136:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Deal found 12/14

$70

mar. 1/134:08 pmPHL - SDF

1 stop20h 52mMultiple Airlines

Deal found 12/15

$80

jue. 2/198:59 pmPHL - SDF

1 stop11h 41mMultiple Airlines

Deal found 12/15

$83

lun. 1/126:11 pmPHL - SDF

1 stop20h 30mSpirit Airlines

Deal found 12/15

$87

mié. 2/115:30 amPHL - SDF

1 stop7h 30mSpirit Airlines

Deal found 12/15

$88

mié. 2/187:59 pmPHL - SDF

1 stop18h 39mMultiple Airlines

Deal found 12/16

$91

mar. 2/101:40 pmPHL - SDF

2 stops23h 20mSpirit Airlines

Deal found 12/14

$102

dom. 1/118:43 pmPHL - SDF

1 stop16h 17mSpirit Airlines

Deal found 12/15

$103

sáb. 1/178:43 pmPHL - SDF

2 stops17h 58mSpirit Airlines

Deal found 12/15

$108

jue. 1/158:20 amPHL - SDF

1 stop6h 21mSpirit Airlines

Deal found 12/15

$114

mar. 2/177:10 pmPHL - SDF

2 stops17h 11mMultiple Airlines

Deal found 12/15

$118

Find flight deals from Philadelphia to Louisville

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$147 (Kiwi.com)
One-way from	$70 (Priceline)
Popular in	October
Cheapest in	February
Average price	$531
Good round-trip deal	$579 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. 8% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($8 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

dom. 1/11

8:43 pm-1:00 pm

1 stop16h 17m

Louisville Intl

mié. 1/14

1:55 pm-8:47 am

2 stops18h 52m

$199

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

lun. 1/12

6:00 am-1:00 pm

1 stop7h 00m

Louisville Intl

lun. 1/19

1:55 pm-11:50 pm

2 stops33h 55m

$229

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

jue. 2/19

7:30 am-8:22 pm

1 stop12h 52m

Louisville Intl

vie. 2/20

1:19 pm-9:59 pm

1 stop8h 40m

$235

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

mié. 2/11

5:30 am-1:00 pm

1 stop7h 30m

Louisville Intl

sáb. 2/14

12:00 pm-7:51 pm

1 stop7h 51m

$263

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

jue. 1/22

8:43 pm-6:04 pm

2 stops21h 21m

Louisville Intl

jue. 1/29

8:27 pm-8:47 am

3 stops36h 20m

$273

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

mar. 3/10

10:38 pm-12:21 pm

1 stop13h 43m

Louisville Intl

mar. 3/17

3:33 pm-11:58 pm

1 stop8h 25m

$312

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

dom. 1/11

5:30 am-10:07 am

3 stops28h 37m

Louisville Intl

mié. 1/14

1:55 pm-8:01 pm

3 stops30h 06m

$320

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

jue. 3/26

5:30 am-1:26 pm

1 stop7h 56m

Louisville Intl

dom. 3/29

8:14 pm-1:31 pm

1 stop17h 17m

$348

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

mié. 2/11

6:40 pm-2:38 pm

2 stops19h 58m

Louisville Intl

vie. 2/13

9:30 am-7:51 pm

1 stop10h 21m

$372

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

mar. 1/6

2:10 pm-10:10 pm

2 stops8h 00m

Louisville Intl

jue. 1/8

11:50 am-9:55 pm

2 stops10h 05m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 16 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
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $60). 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 6% on the flight price compared to flying in the morning, 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.

Reviews of airlines servicing Louisville

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

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,010 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,047 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,188 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3 flights from Philadelphia to Louisville per day from 4 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 fly from Philadelphia to Louisville in about 16h 17m. The time it takes to get you to your destination can typically vary by up to . Philadelphia and Louisville are separated by a distance of 575 mi.
What are the cheapest airlines flying from Philadelphia to Louisville round-trip?
According to our current data, Spirit Airlines ($144), Delta ($192), and Southwest ($258) offers the cheapest pricing from Philadelphia to Louisville. You may be able to fly from Philadelphia to Louisville for 70% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Philadelphia to Louisville one-way?
For one-way options, check prices for Delta. According to our data, you can fly for as low as $113. Users have also found prices from $153 and $158 on American Airlines and Southwest, respectively.
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: Republic Airways (94%), Piedmont Airlines (87%), Alaska Airlines (85%).
What are the cheapest flights from Philadelphia to Louisville?
The cheapest flight price from Philadelphia to Louisville is $509. On average you can expect to pay $591. The most popular route, (Philadelphia - Louisville Intl), can usually be booked for $147.
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, April is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $60). 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

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Corydon

Bardstown

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Complete your trip

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Other flights to Louisville

Top 4 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$360	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$258	Average$396	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$309	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 1/13. 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 Saturday

Cheap 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 diciembre 16, 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 diciembre 16, 2025.

Find 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?

Reviews of airlines servicing Louisville

Read through reviews of airlines operating flights from Philadelphia to Louisville, such as Southwest, Delta, and American 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 cheapest airlines to fly from Philadelphia to Louisville one-way?

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?

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

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Top 4 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 diciembre 16, 2025.