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Cheap flights from Philadelphia to Louisville from $66

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 2/24. 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 - 11:50 pm
SDF
-
PHL
8h 17m
1 stop
$147Spirit Airlines
Tue, Feb 24 - Tue, Mar 3
Spirit Airlines Logo
5:30 am - 12:21 pm
PHL
-
SDF
6h 51m
1 stop
Spirit Airlines Logo
1:19 pm - 11:16 pm
SDF
-
PHL
9h 57m
1 stop
$194Spirit Airlines
Wed, Feb 25 - Fri, Feb 27
Spirit Airlines Logo
9:43 pm - 12:19 pm
PHL
-
SDF
14h 36m
2 stops
Spirit Airlines Logo
3:33 pm - 12:16 am
SDF
-
PHL
8h 43m
1 stop
$235Spirit Airlines
Mon, Apr 6 - Thu, Apr 9
Multiple Airlines Logo
7:59 pm - 12:21 pm
PHL
-
SDF
16h 22m
2 stops
Multiple Airlines Logo
3:33 pm - 9:53 am
SDF
-
PHL
18h 20m
1 stop
$236Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
6:00 am - 2:38 pm
PHL
-
SDF
8h 38m
1 stop
Multiple Airlines Logo
2:26 pm - 5:01 pm
SDF
-
PHL
26h 35m
1 stop
$240Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Spirit Airlines Logo
5:30 am - 12:21 pm
PHL
-
SDF
6h 51m
1 stop
Spirit Airlines Logo
3:33 pm - 12:16 am
SDF
-
PHL
8h 43m
1 stop
$248Spirit Airlines
Fri, Mar 6 - Thu, Mar 12
Multiple Airlines Logo
5:28 pm - 6:58 pm
PHL
-
SDF
25h 30m
1 stop
Multiple Airlines Logo
7:48 pm - 8:44 am
SDF
-
PHL
12h 56m
1 stop
$250Multiple Airlines
Thu, Apr 30 - Mon, May 4
Spirit Airlines Logo
6:15 am - 2:38 pm
PHL
-
SDF
8h 23m
1 stop
Spirit Airlines Logo
3:33 pm - 8:44 am
SDF
-
PHL
17h 11m
1 stop
$255Spirit Airlines
Thu, Apr 16 - Sun, Apr 19
Spirit Airlines Logo
6:08 pm - 12:19 pm
PHL
-
SDF
18h 11m
1 stop
Spirit Airlines Logo
3:33 pm - 12:16 am
SDF
-
PHL
8h 43m
1 stop
$256Spirit Airlines
Mon, Apr 6 - Thu, Apr 9
Spirit Airlines Logo
6:15 am - 2:38 pm
PHL
-
SDF
8h 23m
1 stop
Spirit Airlines Logo
12:33 pm - 8:04 pm
SDF
-
PHL
7h 31m
1 stop
$259Spirit Airlines
Tue, May 5 - Mon, May 11

Southwest flights from Philadelphia to Louisville

Our best Southwest deals on Philadelphia to Louisville flight tickets
Southwest
Feb 24
PHL6:10 amPhiladelphia
10h 00m
2 stops
SDF4:10 pmLouisville Intl
Mar 3
SDF5:35 amLouisville Intl
11h 50m
2 stops
PHL5:25 pmPhiladelphia
$351
Southwest
Jul 16
PHL12:50 pmPhiladelphia
9h 05m
1 stop
SDF9:55 pmLouisville Intl
Jul 20
SDF6:05 pmLouisville Intl
6h 10m
1 stop
PHL12:15 amPhiladelphia
$354
Southwest
May 16
PHL11:50 amPhiladelphia
9h 00m
2 stops
SDF8:50 pmLouisville Intl
May 19
SDF3:30 pmLouisville Intl
6h 30m
2 stops
PHL10:00 pmPhiladelphia
$355

Spirit Airlines flights from Philadelphia to Louisville

Our best Spirit Airlines deals on Philadelphia to Louisville flight tickets
Spirit Airlines
Feb 24
PHL6:00 amPhiladelphia
8h 38m
1 stop
SDF2:38 pmLouisville Intl
Mar 3
SDF3:33 pmLouisville Intl
8h 17m
1 stop
PHL11:50 pmPhiladelphia
$147
Spirit Airlines
Feb 25
PHL5:30 amPhiladelphia
6h 51m
1 stop
SDF12:21 pmLouisville Intl
Feb 27
SDF1:19 pmLouisville Intl
9h 57m
1 stop
PHL11:16 pmPhiladelphia
$194
Spirit Airlines
Apr 6
PHL9:43 pmPhiladelphia
14h 36m
2 stops
SDF12:19 pmLouisville Intl
Apr 9
SDF3:33 pmLouisville Intl
8h 43m
1 stop
PHL12:16 amPhiladelphia
$235

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 January 29, 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 2/24

6:00 am-2:38 pm

1 stop8h 38m

Louisville Intl

Tue 3/3

3:33 pm-11:50 pm

1 stop8h 17m

$147

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 2/25

5:30 am-12:21 pm

1 stop6h 51m

Louisville Intl

Fri 2/27

1:19 pm-11:16 pm

1 stop9h 57m

$194

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 4/6

9:43 pm-12:19 pm

2 stops14h 36m

Louisville Intl

Thu 4/9

3:33 pm-12:16 am

1 stop8h 43m

$235

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 2/24

7:59 pm-12:21 pm

2 stops16h 22m

Louisville Intl

Tue 3/3

3:33 pm-9:53 am

1 stop18h 20m

$236

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 2/26

6:00 am-2:38 pm

1 stop8h 38m

Louisville Intl

Sun 3/1

2:26 pm-5:01 pm

1 stop26h 35m

$240

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Fri 3/6

5:30 am-12:21 pm

1 stop6h 51m

Louisville Intl

Thu 3/12

3:33 pm-12:16 am

1 stop8h 43m

$248

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 4/30

5:28 pm-6:58 pm

1 stop25h 30m

Louisville Intl

Mon 5/4

7:48 pm-8:44 am

1 stop12h 56m

$250

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 4/16

6:15 am-2:38 pm

1 stop8h 23m

Louisville Intl

Sun 4/19

3:33 pm-8:44 am

1 stop17h 11m

$255

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 4/6

6:08 pm-12:19 pm

1 stop18h 11m

Louisville Intl

Thu 4/9

3:33 pm-12:16 am

1 stop8h 43m

$256

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 5/5

6:15 am-2:38 pm

1 stop8h 23m

Louisville Intl

Mon 5/11

12:33 pm-8:04 pm

1 stop7h 31m

$259

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 $569. 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 $528 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 $500 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?

No. A direct flight is the cheapest option for a flight between Philadelphia to Louisville.

How have Philadelphia to Louisville flight prices changed over time?

As of January 2026, prices for Philadelphia to Louisville flights are approximately 33% 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

$522

Fastest flight time

2h 18m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Philadelphia in the past 72 hours is $522. The best round-trip 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 18m
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 18m 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
8,394 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Louisville

    American Airlines flight deals from Philadelphia to Louisville start from $318 round-trip. Over the 6 American Airlines flights for this route in a normal week, average airfare is usually $516 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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