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Cheap flights from Philadelphia to Louisville from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Louisville departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:00 am - 2:38 pm
PHL
-
SDF
8h 38m
1 stop
Spirit Airlines Logo
3:33 pm - 11:56 pm
SDF
-
PHL
8h 23m
1 stop
$141Spirit Airlines
Tue, Mar 10 - Thu, Mar 19
Spirit Airlines Logo
8:06 am - 2:38 pm
PHL
-
SDF
6h 32m
1 stop
Spirit Airlines Logo
3:33 pm - 11:50 pm
SDF
-
PHL
8h 17m
1 stop
$143Spirit Airlines
Tue, Mar 3 - Tue, Mar 10
Spirit Airlines Logo
5:30 am - 12:21 pm
PHL
-
SDF
6h 51m
1 stop
Spirit Airlines Logo
3:33 pm - 11:50 pm
SDF
-
PHL
8h 17m
1 stop
$150Spirit Airlines
Wed, Feb 25 - Thu, Feb 26
Spirit Airlines Logo
6:00 am - 2:38 pm
PHL
-
SDF
8h 38m
1 stop
Spirit Airlines Logo
3:33 pm - 11:56 pm
SDF
-
PHL
8h 23m
1 stop
$156Spirit Airlines
Tue, Mar 10 - Thu, Mar 12
Spirit Airlines Logo
8:06 am - 2:38 pm
PHL
-
SDF
6h 32m
1 stop
Spirit Airlines Logo
3:33 pm - 11:50 pm
SDF
-
PHL
8h 17m
1 stop
$158Spirit Airlines
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
8:59 pm - 8:40 am
PHL
-
SDF
11h 41m
1 stop
Multiple Airlines Logo
1:19 pm - 12:39 pm
SDF
-
PHL
23h 20m
1 stop
$190Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
5:28 pm - 2:38 pm
PHL
-
SDF
21h 10m
1 stop
Multiple Airlines Logo
7:48 pm - 11:10 pm
SDF
-
PHL
27h 22m
1 stop
$194Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
5:28 pm - 2:38 pm
PHL
-
SDF
21h 10m
1 stop
Multiple Airlines Logo
3:33 pm - 11:10 pm
SDF
-
PHL
7h 37m
1 stop
$197Multiple Airlines
Mon, Apr 20 - Thu, Apr 23
Spirit Airlines Logo
5:00 am - 11:14 am
PHL
-
SDF
6h 14m
1 stop
Spirit Airlines Logo
3:33 pm - 11:56 pm
SDF
-
PHL
8h 23m
1 stop
$200Spirit Airlines
Mon, Mar 16 - Thu, Mar 19
Multiple Airlines Logo
7:00 am - 6:58 pm
PHL
-
SDF
11h 58m
1 stop
Multiple Airlines Logo
7:48 pm - 8:44 am
SDF
-
PHL
12h 56m
1 stop
$202Multiple Airlines
Fri, May 8 - Mon, May 11

Spirit Airlines flights from Philadelphia to Louisville

Our best Spirit Airlines deals on Philadelphia to Louisville flight tickets
Spirit Airlines
Mar 10
PHL6:00 amPhiladelphia
8h 38m
1 stop
SDF2:38 pmLouisville Intl
Mar 19
SDF3:33 pmLouisville Intl
8h 23m
1 stop
PHL11:56 pmPhiladelphia
$141
Spirit Airlines
Feb 25
PHL5:30 amPhiladelphia
6h 51m
1 stop
SDF12:21 pmLouisville Intl
Feb 26
SDF3:33 pmLouisville Intl
8h 17m
1 stop
PHL11:50 pmPhiladelphia
$150
Spirit Airlines
Mar 10
PHL6:00 amPhiladelphia
8h 38m
1 stop
SDF2:38 pmLouisville Intl
Mar 12
SDF3:33 pmLouisville Intl
8h 23m
1 stop
PHL11:56 pmPhiladelphia
$156

Southwest flights from Philadelphia to Louisville

Our best Southwest deals on Philadelphia to Louisville flight tickets
Southwest
Feb 5
PHL5:50 amPhiladelphia
6h 20m
1 stop
SDF12:10 pmLouisville Intl
Feb 28
SDF6:40 amLouisville Intl
6h 30m
1 stop
PHL1:10 pmPhiladelphia
$349
Southwest
Feb 5
PHL5:50 amPhiladelphia
6h 20m
1 stop
SDF12:10 pmLouisville Intl
Feb 28
SDF6:40 amLouisville Intl
6h 40m
2 stops
PHL1:20 pmPhiladelphia
$354
Southwest
Feb 5
PHL5:50 amPhiladelphia
6h 20m
1 stop
SDF12:10 pmLouisville Intl
Feb 7
SDF6:30 amLouisville Intl
6h 10m
1 stop
PHL12:40 pmPhiladelphia
$381

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
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

Tue 3/10

6:00 am-2:38 pm

1 stop8h 38m

Louisville Intl

Thu 3/19

3:33 pm-11:56 pm

1 stop8h 23m

$141

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 3/3

8:06 am-2:38 pm

1 stop6h 32m

Louisville Intl

Tue 3/10

3:33 pm-11:50 pm

1 stop8h 17m

$143

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 2/25

5:30 am-12:21 pm

1 stop6h 51m

Louisville Intl

Thu 2/26

3:33 pm-11:50 pm

1 stop8h 17m

$150

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 3/10

6:00 am-2:38 pm

1 stop8h 38m

Louisville Intl

Thu 3/12

3:33 pm-11:56 pm

1 stop8h 23m

$156

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 2/26

8:06 am-2:38 pm

1 stop6h 32m

Louisville Intl

Tue 3/3

3:33 pm-11:50 pm

1 stop8h 17m

$158

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 2/26

8:59 pm-8:40 am

1 stop11h 41m

Louisville Intl

Mon 3/2

1:19 pm-12:39 pm

1 stop23h 20m

$190

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 4/27

5:28 pm-2:38 pm

1 stop21h 10m

Louisville Intl

Mon 5/4

7:48 pm-11:10 pm

1 stop27h 22m

$194

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 4/20

5:28 pm-2:38 pm

1 stop21h 10m

Louisville Intl

Thu 4/23

3:33 pm-11:10 pm

1 stop7h 37m

$197

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 3/16

5:00 am-11:14 am

1 stop6h 14m

Louisville Intl

Thu 3/19

3:33 pm-11:56 pm

1 stop8h 23m

$200

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Fri 5/8

7:00 am-6:58 pm

1 stop11h 58m

Louisville Intl

Mon 5/11

7:48 pm-8:44 am

1 stop12h 56m

$202

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Philadelphia to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Philadelphia during the month May is also very affordable. Most momondo users find prices during this month for around $423.

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

On average, the least expensive day to fly to Louisville from Philadelphia is on a Monday. momondo users have found tickets for Monday departures for as low as $489. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Philadelphia to Louisville on a Sunday will generally be more expensive and average around $573. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Philadelphia to Louisville flights are usually those with departure times at noon. Our users have found flights to Louisville at noon for as low as $504. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $534 per ticket.

What is the cheapest Philadelphia to Louisville Intl flight route?

Fly from Philadelphia to Louisville Intl for the best Philadelphia - Louisville Intl flight prices

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $499 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Philadelphia for as low as $353 on momondo.

What cabin class options are available on Philadelphia to Louisville Intl flights?

There are 3 cabin classes available to choose from on Philadelphia to Louisville Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Louisville flights?

You could potentially save up to 23% on your flight if you consider stops on a Philadelphia to Louisville flight.

How have Philadelphia to Louisville flight prices changed over time?

As of February 2026, prices for Philadelphia to Louisville flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Louisville (PHL to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Louisville

Best Price Found

$489

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Louisville

1 airport
The best flight deal from Philadelphia to Louisville found on momondo in the last 72 hours is $489
The fastest flight from Philadelphia to Louisville takes 2h 20m
Direct flights go from Philadelphia to Louisville every day.
There is 1 airport in Louisville. From Philadelphia there are direct flights to Louisville Intl (SDF).
Search flight deals

  • How far is Philadelphia to Louisville Intl by plane?

    Philadelphia and Louisville Intl are 579.7 mi apart from one another. 2h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Louisville Intl Airport?

    Prices for flights from Philadelphia Airport to Louisville Intl Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Philadelphia Airport to Louisville Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Philadelphia to Louisville?

  • What is the most popular airline from Philadelphia to Louisville?

Best airlines flying from Philadelphia to Louisville

Compare and see reviews for airlines that fly from Philadelphia to Louisville with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $144Free CancellationRating
6.3
8,407 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $317Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Louisville

    American Airlines flight deals from Philadelphia to Louisville start from $317 round-trip. Over the 12 American Airlines flights for this route in a normal week, average airfare is usually $526 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Brandenburg
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Louisville?

Finding the right flight to Louisville from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Louisville quick and easy, saving you time and money.

Can I find flights from Philadelphia to Louisville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Louisville from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Louisville?

momondo helps you find the best flight between Philadelphia and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Louisville right now. Can momondo alert me if prices change?

Price alerts on flights to Louisville from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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