How popular is this Louisville to Philadelphia flight route?

The Louisville Intl to Philadelphia flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Louisville to Philadelphia?

Airlines like Spirit Airlines fly from Louisville to Philadelphia in about 8h 08m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 575 mi.

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

Cheapflights users have booked flights from Louisville to Philadelphia round-trip from $165. Other airlines that can offer you cheap pricing are Delta, from $198, and Southwest, from $215. Spirit Airlines is 66% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Louisville to Philadelphia for a low price.

Weekly flight availability from Louisville to Philadelphia

The most flights from SDF to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, 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 33.8 F).

What are the cheapest flights from Louisville to Philadelphia?

Looking for the cheapest flight from Louisville to Philadelphia? While on average our users pay $592, our data indicates the cheapest price to be $288. The most popular route (Louisville Intl - Philadelphia), is priced around $164.

What are the most reliable airlines from Louisville to Philadelphia?

Consider Piedmont Airlines (91%), Alaska Airlines (90%) or Qatar Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Louisville to Philadelphia.

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

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

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

Most trusted provider : When it comes to deals on Louisville-Philadelphia 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 Louisville-Philadelphia 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 Louisville to Philadelphia?

Philadelphia is the airport most travelers will use when flying to Philadelphia from Louisville Intl. Booking flights from Louisville Intl (SDF) to Philadelphia (PHL) should be relatively easy as there are 7 daily flights to Philadelphia from 4 different airlines. 1h 59m is how long a flight from Louisville to Philadelphia will take if you book a nonstop flight.

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

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

How can I find direct flights from Louisville to Philadelphia?

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

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

Yes. Cheapflights offers flight deals from Louisville to Philadelphia 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 Louisville to Philadelphia

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Louisville to Philadelphia 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 Louisville Intl to Philadelphia are usually found in June or February, booked 75 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Louisville to Philadelphia

Cheapest flights from Louisville to Philadelphia
Explore the most affordable flight options available from Louisville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Mon 12/1511:21 amSDF - PHL

1 stop13h 15mMultiple Airlines

Thu 1/83:56 pmPHL - SDF

1 stop21h 04mMultiple Airlines

Deal found 12/11

$274

Wed 12/248:05 amSDF - PHL

1 stop10h 24mAmerican Airlines

Thu 12/257:10 amPHL - SDF

1 stop8h 49mAmerican Airlines

Deal found 12/10

$303

Fri 12/1211:55 amSDF - PHL

1 stop12h 41mMultiple Airlines

Sun 1/115:10 amPHL - SDF

1 stop28h 57mMultiple Airlines

Deal found 12/11

$318

Thu 12/119:26 pmSDF - PHL

1 stop18h 13mMultiple Airlines

Sun 1/115:10 amPHL - SDF

1 stop28h 57mMultiple Airlines

Deal found 12/11

$327

Fri 12/195:05 amSDF - PHL

1 stop7h 25mMultiple Airlines

Sun 12/215:01 amPHL - SDF

1 stop28h 03mMultiple Airlines

Deal found 12/10

$372

Wed 12/245:05 amSDF - PHL

1 stop7h 20mMultiple Airlines

Thu 12/256:00 amPHL - SDF

2 stops41h 59mMultiple Airlines

Deal found 12/10

$377

Best flights from Louisville to Philadelphia
Discover carefully curated flight deals from Louisville to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 1/153:36 pmSDF - PHL

1 stop8h 14mMultiple Airlines

Mon 1/195:50 pmPHL - SDF

1 stop20h 51mMultiple Airlines

Deal found 12/10

$172

Fri 1/161:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Sun 1/186:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Deal found 12/11

$214

Sat 1/174:42 pmSDF - PHL

2 stops19h 10mAmerican Airlines

Sun 1/182:05 pmPHL - SDF

Nonstop2h 25mAmerican Airlines

Deal found 12/11

$255

Wed 1/211:55 pmSDF - PHL

3 stops33h 55mSpirit Airlines

Thu 1/296:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Deal found 12/10

$239

Sun 1/45:05 amSDF - PHL

1 stop28h 02mSpirit Airlines

Wed 1/76:10 amPHL - SDF

1 stop17h 49mSpirit Airlines

Deal found 12/10

$244

Mon 3/169:13 pmSDF - PHL

1 stop11h 26mMultiple Airlines

Sat 3/218:21 pmPHL - SDF

1 stop17h 05mMultiple Airlines

Deal found 12/11

$304

Fri 1/161:55 pmSDF - PHL

3 stops30h 06mSpirit Airlines

Mon 1/198:43 pmPHL - SDF

2 stops17h 58mSpirit Airlines

Deal found 12/10

$254

Sun 1/47:00 amSDF - PHL

Nonstop2h 04mAmerican Airlines

Sun 1/412:21 pmPHL - SDF

1 stop9h 33mAmerican Airlines

Deal found 12/10

$349

Thu 1/12:55 pmSDF - PHL

1 stop8h 20mMultiple Airlines

Sun 1/48:54 pmPHL - SDF

1 stop27h 05mMultiple Airlines

Deal found 12/10

$327

Fri 4/1712:33 pmSDF - PHL

1 stop7h 31mSpirit Airlines

Sun 4/196:15 amPHL - SDF

1 stop8h 23mSpirit Airlines

Deal found 12/11

$344

Last-minute flights from Louisville to Philadelphia
Discover last-minute flight deals from Louisville to Philadelphia. Data last updated December 12, 2025 and is based on user searches.

Fri 1/91:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Mon 1/125:30 amPHL - SDF

1 stop7h 30mSpirit Airlines

Deal found 12/11

$182

Tue 1/133:36 pmSDF - PHL

1 stop19h 38mMultiple Airlines

Fri 1/166:00 amPHL - SDF

1 stop7h 00mMultiple Airlines

Deal found 12/10

$195

Thu 1/153:36 pmSDF - PHL

1 stop8h 14mMultiple Airlines

Mon 1/195:50 pmPHL - SDF

1 stop20h 51mMultiple Airlines

Deal found 12/10

$172

Fri 1/161:55 pmSDF - PHL

1 stop11h 06mMultiple Airlines

Mon 1/195:50 pmPHL - SDF

1 stop20h 51mMultiple Airlines

Deal found 12/10

$188

Fri 1/161:55 pmSDF - PHL

1 stop5h 53mSpirit Airlines

Mon 1/198:43 pmPHL - SDF

2 stops17h 58mSpirit Airlines

Deal found 12/10

$201

Fri 1/161:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Sun 1/186:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Deal found 12/11

$214

Fri 1/161:55 pmSDF - PHL

1 stop11h 06mMultiple Airlines

Sun 1/185:30 amPHL - SDF

1 stop10h 19mMultiple Airlines

Deal found 12/11

$237

Wed 1/211:55 pmSDF - PHL

1 stop8h 08mSpirit Airlines

Thu 1/296:00 amPHL - SDF

1 stop8h 41mSpirit Airlines

Deal found 12/10

$164

Wed 1/211:55 pmSDF - PHL

2 stops10h 57mMultiple Airlines

Thu 1/296:00 amPHL - SDF

1 stop8h 41mMultiple Airlines

Deal found 12/10

$199

One-way flights from Louisville to Philadelphia
Search for one-way flight options from Louisville to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 2/103:36 pmSDF - PHL

1 stop8h 14mSpirit Airlines

Deal found 12/11

$70

Thu 1/223:36 pmSDF - PHL

1 stop8h 14mSpirit Airlines

Deal found 12/11

$71

Fri 1/96:54 pmSDF - PHL

1 stop13h 53mMultiple Airlines

Deal found 12/11

$80

Mon 2/96:54 pmSDF - PHL

1 stop20h 02mMultiple Airlines

Deal found 12/10

$84

Wed 1/75:05 amSDF - PHL

1 stop14h 08mMultiple Airlines

Deal found 12/11

$85

Wed 2/111:55 pmSDF - PHL

1 stop8h 56mMultiple Airlines

Deal found 12/11

$87

Tue 3/103:33 pmSDF - PHL

1 stop8h 17mSpirit Airlines

Deal found 12/11

$94

Sun 2/83:36 pmSDF - PHL

1 stop9h 08mMultiple Airlines

Deal found 12/11

$104

Find flight deals from Louisville to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$164 (Priceline)
One-way from	$70 (Priceline)
Popular in	December
Cheapest in	June
Average price	$586
Good round-trip deal	$442 or less
Good one-way deal	$409 or less

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

Search Deals

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

Search Deals

From Louisville Intl to Philadelphia

Search Deals

One-way flight from Louisville Intl to Philadelphia

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 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 Louisville Intl to Philadelphia.

Search Deals

Price to beat on a one-way flight from Louisville Intl to Philadelphia.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 1/15

3:36 pm-11:50 pm

1 stop8h 14m

Philadelphia

Mon 1/19

5:50 pm-2:41 pm

1 stop20h 51m

$172

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/16

1:55 pm-10:03 pm

1 stop8h 08m

Philadelphia

Sun 1/18

6:00 am-2:41 pm

1 stop8h 41m

$214

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 1/21

1:55 pm-11:50 pm

3 stops33h 55m

Philadelphia

Thu 1/29

6:00 am-2:41 pm

1 stop8h 41m

$239

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sun 1/4

5:05 am-9:07 am

1 stop28h 02m

Philadelphia

Wed 1/7

6:10 am-11:59 pm

1 stop17h 49m

$244

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/16

1:55 pm-8:01 pm

3 stops30h 06m

Philadelphia

Mon 1/19

8:43 pm-2:41 pm

2 stops17h 58m

$254

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 1/17

4:42 pm-11:52 am

2 stops19h 10m

Philadelphia

Sun 1/18

2:05 pm-4:30 pm

Nonstop2h 25m

$255

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 3/16

9:13 pm-8:39 am

1 stop11h 26m

Philadelphia

Sat 3/21

8:21 pm-1:26 pm

1 stop17h 05m

$304

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 1/1

2:55 pm-11:15 pm

1 stop8h 20m

Philadelphia

Sun 1/4

8:54 pm-11:59 pm

1 stop27h 05m

$327

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 4/17

12:33 pm-8:04 pm

1 stop7h 31m

Philadelphia

Sun 4/19

6:15 am-2:38 pm

1 stop8h 23m

$344

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sun 1/4

7:00 am-9:04 am

Nonstop2h 04m

Philadelphia

Sun 1/4

12:21 pm-9:54 pm

1 stop9h 33m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results

Compare providers for flights from Louisville to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Philadelphia 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
Priceline	Price Accuracy1 star	Trust Score*3 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 Louisville-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Philadelphia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Louisville-Philadelphia 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 Louisville-Philadelphia 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 Louisville to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Louisville 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 Louisville to Philadelphia

Prices

Airlines

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

The best time to book flights from Louisville to Philadelphia is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Louisville to Philadelphia (average of $71). Flying from Louisville to Philadelphia in February is currently the most expensive (average of $116). 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 SDF to PHL?

Unlike at noon, when flights are generally more expensive, you can save up to 68% on flights from Louisville to Philadelphia by exploring options for tickets in the evening.

Reviews of airlines servicing Philadelphia

Read through reviews of airlines operating flights from Louisville to Philadelphia, 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

4,253 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

4,253 reviews

Southwest

7.9

Good

4,253 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

8,007 reviews

Southwest

7.9

Good

4,253 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

11,050 reviews

Southwest

7.9

Good

4,253 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

8,180 reviews

Southwest

7.9

Good

4,253 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 Louisville to Philadelphia?
Philadelphia is the airport most travelers will use when flying to Philadelphia from Louisville Intl. Booking flights from Louisville Intl (SDF) to Philadelphia (PHL) should be relatively easy as there are 7 daily flights to Philadelphia from 4 different airlines. 1h 59m is how long a flight from Louisville to Philadelphia will take if you book a nonstop flight.
How popular is this Louisville to Philadelphia flight route?
The Louisville Intl to Philadelphia flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Louisville to Philadelphia?
Airlines like Spirit Airlines fly from Louisville to Philadelphia in about 8h 08m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 575 mi.
What are the cheapest airlines flying from Louisville to Philadelphia round-trip?
Cheapflights users have booked flights from Louisville to Philadelphia round-trip from $165. Other airlines that can offer you cheap pricing are Delta, from $198, and Southwest, from $215. Spirit Airlines is 66% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Louisville to Philadelphia one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Louisville to Philadelphia for a low price.
What are the most reliable airlines from Louisville to Philadelphia?
Consider Piedmont Airlines (91%), Alaska Airlines (90%) or Qatar Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Louisville to Philadelphia.
What are the cheapest flights from Louisville to Philadelphia?
Looking for the cheapest flight from Louisville to Philadelphia? While on average our users pay $592, our data indicates the cheapest price to be $288. The most popular route (Louisville Intl - Philadelphia), is priced around $164.
Can I find deals for flights from Louisville to Philadelphia that include hotel bookings?
Yes. In addition to deals on Louisville to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Philadelphia.
Can I find deals for business class flights from Louisville to Philadelphia?
Yes. Cheapflights offers flight deals from Louisville to Philadelphia 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 Louisville to Philadelphia?
Currently, April is the cheapest month in which you can book a flight from Louisville to Philadelphia (average of $71). Flying from Louisville to Philadelphia in February is currently the most expensive (average of $116). 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.

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Top 4 airlines flying from Louisville to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$165	Average$230	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$215	Average$427	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$226	Average$327	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$277	Average$504	FlexibilityNo cancel fee	On-time71%

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

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Philadelphia 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 Louisville Intl to Philadelphia are usually found in June or February, booked 75 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Louisville to Philadelphia

Cheapest flights from Louisville to PhiladelphiaExplore the most affordable flight options available from Louisville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Louisville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Louisville to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Compare providers for flights from Louisville to Philadelphia

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 Louisville to Philadelphia in December.

Best time to book a flight from Louisville to Philadelphia

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

Cheapflights Insights

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

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

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

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

Weekly flight availability from Louisville to Philadelphia

Reviews of airlines servicing Philadelphia

Read through reviews of airlines operating flights from Louisville to Philadelphia, 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 Louisville to Philadelphia. 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 Louisville to Philadelphia?

How popular is this Louisville to Philadelphia flight route?

How long is the flight from Louisville to Philadelphia?

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

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

What are the most reliable airlines from Louisville to Philadelphia?

What are the cheapest flights from Louisville to Philadelphia?

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

How can I find direct flights from Louisville to Philadelphia?

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

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

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Philadelphia

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

Top 4 airlines flying from Louisville to Philadelphia

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Cheapest flights from Louisville to Philadelphia
Explore the most affordable flight options available from Louisville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.