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Cheap flights from Philadelphia to Louisville from $85

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 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Louisville

Cheap round-trip flights

Logo
9:14 pm - 5:55 pmPHL-SDF
20h 41m1 stop
Logo
8:45 pm - 1:07 amSDF-PHL
28h 22m1 stop
$165
Find Deal
Tue, Oct 14 - Thu, Oct 23
Spirit Airlines Logo
5:33 am - 6:03 pmPHL-SDF
12h 30m1 stop
Spirit Airlines Logo
5:31 pm - 11:36 pmSDF-PHL
6h 05m1 stop
$183Spirit Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
Spirit Airlines Logo
5:20 am - 5:55 pmPHL-SDF
12h 35m1 stop
Spirit Airlines Logo
5:31 pm - 11:36 pmSDF-PHL
6h 05m1 stop
$185Spirit Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Logo
8:00 am - 5:55 pmPHL-SDF
9h 55m1 stop
Logo
10:01 am - 2:17 pmSDF-PHL
28h 16m1 stop
$191
Find Deal
Wed, Oct 8 - Tue, Oct 14
Spirit Airlines Logo
10:41 am - 10:04 pmPHL-SDF
11h 23m1 stop
Spirit Airlines Logo
11:47 am - 11:59 pmSDF-PHL
12h 12m1 stop
$193Spirit Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
Logo
9:14 pm - 5:55 pmPHL-SDF
20h 41m1 stop
Logo
10:55 am - 12:32 amSDF-PHL
13h 37m1 stop
$194
Find Deal
Tue, Oct 14 - Sat, Nov 15
Spirit Airlines Logo
5:33 am - 6:03 pmPHL-SDF
12h 30m1 stop
Spirit Airlines Logo
11:47 am - 6:49 pmSDF-PHL
7h 02m1 stop
$198Spirit Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Spirit Airlines Logo
2:07 pm - 10:04 pmPHL-SDF
7h 57m1 stop
Spirit Airlines Logo
11:47 am - 6:49 pmSDF-PHL
7h 02m1 stop
$203Spirit Airlines
Find Deal
Thu, Sep 25 - Mon, Oct 6
Southwest Logo
6:05 pm - 10:45 pmPHL-SDF
4h 40m1 stop
Southwest Logo
6:25 am - 1:15 pmSDF-PHL
6h 50m1 stop
$234Southwest
Find Deal
Tue, Oct 14 - Wed, Oct 15
Southwest Logo
6:05 pm - 10:45 pmPHL-SDF
4h 40m1 stop
Southwest Logo
1:00 pm - 10:10 pmSDF-PHL
9h 10m1 stop
$239Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21

Spirit Airlines flights from Philadelphia to Louisville

Our best Spirit Airlines deals on Philadelphia to Louisville flight tickets
Spirit Airlines
Oct 25
PHL5:33 amPhiladelphia
12h 30m
1 stop
SDF6:03 pmLouisville Intl
Oct 29
SDF5:31 pmLouisville Intl
6h 05m
1 stop
PHL11:36 pmPhiladelphia
$183
Find similar
Spirit Airlines
Oct 8
PHL5:20 amPhiladelphia
12h 35m
1 stop
SDF5:55 pmLouisville Intl
Oct 15
SDF5:31 pmLouisville Intl
6h 05m
1 stop
PHL11:36 pmPhiladelphia
$185
Find similar
Spirit Airlines
Oct 2
PHL10:41 amPhiladelphia
11h 23m
1 stop
SDF10:04 pmLouisville Intl
Oct 6
SDF11:47 amLouisville Intl
12h 12m
1 stop
PHL11:59 pmPhiladelphia
$193
Find similar

Southwest flights from Philadelphia to Louisville

Our best Southwest deals on Philadelphia to Louisville flight tickets
Southwest
Oct 14
PHL6:05 pmPhiladelphia
4h 40m
1 stop
SDF10:45 pmLouisville Intl
Oct 15
SDF6:25 amLouisville Intl
6h 50m
1 stop
PHL1:15 pmPhiladelphia
$234
Find similar
Southwest
Oct 14
PHL6:05 pmPhiladelphia
4h 40m
1 stop
SDF10:45 pmLouisville Intl
Oct 21
SDF1:00 pmLouisville Intl
9h 10m
1 stop
PHL10:10 pmPhiladelphia
$239
Find similar
Southwest
Sep 15
PHL11:45 amPhiladelphia
11h 05m
2 stops
SDF10:50 pmLouisville Intl
Sep 30
SDF5:30 amLouisville Intl
12h 10m
2 stops
PHL5:40 pmPhiladelphia
$439
Find similar

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 September 11, 2025.
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 10/14

9:14 pm-5:55 pm

1 stop20h 41m

Louisville Intl

Thu 10/23

8:45 pm-1:07 am

1 stop28h 22m

$165

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sat 10/25

5:33 am-6:03 pm

1 stop12h 30m

Louisville Intl

Wed 10/29

5:31 pm-11:36 pm

1 stop6h 05m

$183

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 10/8

5:20 am-5:55 pm

1 stop12h 35m

Louisville Intl

Wed 10/15

5:31 pm-11:36 pm

1 stop6h 05m

$185

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 10/8

8:00 am-5:55 pm

1 stop9h 55m

Louisville Intl

Tue 10/14

10:01 am-2:17 pm

1 stop28h 16m

$191

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 10/2

10:41 am-10:04 pm

1 stop11h 23m

Louisville Intl

Mon 10/6

11:47 am-11:59 pm

1 stop12h 12m

$193

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 10/14

9:14 pm-5:55 pm

1 stop20h 41m

Louisville Intl

Sat 11/15

10:55 am-12:32 am

1 stop13h 37m

$194

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 10/16

5:33 am-6:03 pm

1 stop12h 30m

Louisville Intl

Mon 10/20

11:47 am-6:49 pm

1 stop7h 02m

$198

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 9/25

2:07 pm-10:04 pm

1 stop7h 57m

Louisville Intl

Mon 10/6

11:47 am-6:49 pm

1 stop7h 02m

$203

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 10/14

6:05 pm-10:45 pm

1 stop4h 40m

Louisville Intl

Wed 10/15

6:25 am-1:15 pm

1 stop6h 50m

$234

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 10/14

6:05 pm-10:45 pm

1 stop4h 40m

Louisville Intl

Tue 10/21

1:00 pm-10:10 pm

1 stop9h 10m

$239

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 $474. 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 $541. 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 $474. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $533 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 $472 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 $360 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 September 2025, prices for Philadelphia to Louisville flights are approximately 61% more expensive 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

$517

Fastest flight time

2h 02m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Philadelphia in the past 72 hours is $517. The best round-trip flight deal from Philadelphia to Louisville found on momondo in the last 72 hours is $509.
The fastest flight from Philadelphia to Louisville takes 2h 02m
Direct flights go from Philadelphia to Louisville every day.
There is 1 airport near Louisville: 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. 4h 40m 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 $166Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $226Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
SouthwestPriceFrom $258Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
American AirlinesPriceFrom $312Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Louisville

    American Airlines flight deals from Philadelphia to Louisville start from $312 round-trip. Over the 20 American Airlines flights for this route in a normal week, average airfare is usually $504 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
Springfield
Brandenburg
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.

An easier way to manage your Louisville trip

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