Louisville

$107+ Cheap flights from Philadelphia to Louisville (PHL - SDF)

PHL — SDF
Oct 22 — Oct 291
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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

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Cheapflights Tip: The best prices from Philadelphia to Louisville Intl are usually found in May or January, booked 64 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Philadelphia to Louisville

Cheapest flights from Philadelphia to Louisville

Wed 11/119:30 am -
1 stop5h 56m
Sat 11/144:06 pm -
1 stop7h 18m
Deal found 9/22$207
Tue 12/14:16 pm -
1 stop24h 16m
Mon 12/711:39 am -
2 stops35h 26m
Deal found 9/18$244
Thu 11/1212:58 pm -
1 stop7h 31m
Sat 11/144:06 pm -
1 stop7h 18m
Deal found 9/21$245
Fri 12/48:00 am -
1 stop12h 42m
Sat 12/55:12 pm -
1 stop6h 14m
Deal found 9/22$285
Fri 10/307:20 pm -
1 stop14h 51m
Sun 11/19:11 pm -
1 stop12h 19m
Deal found 9/22$309
Tue 10/201:50 pm -
1 stop6h 45m
Thu 10/223:35 pm -
1 stop6h 20m
Deal found 9/22$317
Mon 11/99:54 am -
1 stop7h 39m
Wed 11/114:06 pm -
1 stop24h 18m
Deal found 9/21$332
Thu 10/2912:58 pm -
1 stop7h 31m
Mon 11/27:08 pm -
2 stops28h 08m
Deal found 9/21$335
Sat 10/107:42 am -
1 stop12h 49m
Wed 10/149:11 pm -
2 stops26h 32m
Deal found 9/20$337

Find flight deals from Philadelphia to Louisville

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

October

Cheapest in

May

Average price

$560

Good round-trip deal

$563 or less

Good one-way deal

$553 or less
Provider with most accurate pricing for Philadelphia-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Louisville Intl flights.
From Philadelphia to Louisville Intl
One-way flight from Philadelphia to Louisville Intl
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from Philadelphia to Louisville Intl.
Price to beat on a one-way flight from Philadelphia to Louisville Intl.

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

Cheapest round-trip

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Wed 10/21

5:22 pm-10:59 am

3 stops41h 37m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$164

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Tue 10/20

9:30 am-10:11 am

1 stop24h 41m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$171

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Mon 11/16

1:55 pm-9:55 pm

1 stop8h 00m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$178

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Tue 10/6

11:25 am-8:35 pm

2 stops9h 10m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$186

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Thu 10/29

1:55 pm-9:10 pm

1 stop7h 15m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Mon 10/19

2:35 pm-9:40 pm

1 stop7h 05m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Sat 11/21

12:05 pm-9:10 pm

2 stops9h 05m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$194

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Mon 12/21

6:15 am-3:35 pm

2 stops9h 20m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$194
Quickest round-trip

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Wed 10/14

6:00 am-12:15 pm

1 stop6h 15m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$211

PhiladelphiaLouisville

PHL Philadelphia - SDF Louisville Intl

PHLSDF

Philadelphia

Sun 11/1

5:30 am-12:10 pm

1 stop6h 40m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/21

Showing 1-10 of 23 resultsSorted by cheapest first
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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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Philadelphia-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 62 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, May is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $534). Flying from Philadelphia to Louisville in October is currently the most expensive (average of $614). 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 8% on the flight price compared to flying at noon, 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 Sunday at noon when fares are most often at their lowest. Monday evenings 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?

Airfare is below average for this route at the moment.

Philadelphia to Louisville flights typically cost between $554 and $630 in November.
The cheapest round-trip price found within the last 5 days was $207 on Multiple Airlines (Nov 11-Nov 14).

Reviews of airlines servicing Louisville

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

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 12m for a nonstop flight. There are 4 flights from Philadelphia to Louisville per day from 2 airlines.

  • How popular is this Philadelphia to Louisville flight route?

  • How long is the flight from Philadelphia to Louisville?

    Airlines like Southwest fly from Philadelphia to Louisville in about 7h 15m. 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, Southwest ($282), and American Airlines ($469) offers the cheapest pricing from Philadelphia to Louisville. You may be able to fly from Philadelphia to Louisville for 49% 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: Piedmont Airlines (87%), American Airlines (80%), Republic Airways (77%).

  • What are the cheapest flights from Philadelphia to Louisville?

    The cheapest flight price from Philadelphia to Louisville is $512. On average you can expect to pay $583. The most popular route, (Philadelphia - Louisville Intl), can usually be booked for $245.

  • 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, May is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $534). Flying from Philadelphia to Louisville in October is currently the most expensive (average of $614). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Elizabethtown
Jeffersonville

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Philadelphia to Louisville

Top 2 airlines flying from Philadelphia to Louisville

AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$282Average$451FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$469Average$562FlexibilityNo cancel feeOn-time71%

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