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Cheap flights from Philadelphia to Louisville from $70

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 1/13. 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 - 2:41 pm
PHL
-
SDF
8h 41m1 stop
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
$113Spirit Airlines
Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
5:10 am - 10:07 am
PHL
-
SDF
28h 57m1 stop
Multiple Airlines Logo
1:55 pm - 8:36 am
SDF
-
PHL
18h 41m1 stop
$147Multiple Airlines
Sun, Jan 11 - Wed, Jan 14
Spirit Airlines Logo
6:00 am - 2:41 pm
PHL
-
SDF
8h 41m1 stop
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
$164Spirit Airlines
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
12:23 pm - 11:59 pm
PHL
-
SDF
11h 36m1 stop
Multiple Airlines Logo
7:00 am - 8:01 pm
SDF
-
PHL
13h 01m1 stop
$172Multiple Airlines
Wed, Jan 7 - Thu, Jan 8
Spirit Airlines Logo
1:40 pm - 1:00 pm
PHL
-
SDF
23h 20m2 stops
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
$177Spirit Airlines
Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
6:00 am - 1:00 pm
PHL
-
SDF
7h 00m1 stop
Multiple Airlines Logo
6:54 pm - 11:14 am
SDF
-
PHL
16h 20m1 stop
$187Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
4:25 pm - 11:59 pm
PHL
-
SDF
7h 34m1 stop
Multiple Airlines Logo
7:00 am - 11:48 pm
SDF
-
PHL
16h 48m2 stops
$189Multiple Airlines
Wed, Jan 7 - Thu, Jan 8
Spirit Airlines Logo
8:43 pm - 1:00 pm
PHL
-
SDF
16h 17m1 stop
Spirit Airlines Logo
1:55 pm - 8:47 am
SDF
-
PHL
18h 52m2 stops
$199Spirit Airlines
Sun, Jan 11 - Wed, Jan 14
Spirit Airlines Logo
1:40 pm - 1:00 pm
PHL
-
SDF
23h 20m3 stops
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
$206Spirit Airlines
Tue, Jan 20 - Thu, Jan 29
Spirit Airlines Logo
6:11 pm - 1:00 pm
PHL
-
SDF
18h 49m2 stops
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
$210Spirit Airlines
Thu, Jan 8 - Tue, Jan 13

American Airlines flights from Philadelphia to Louisville

Our best American Airlines deals on Philadelphia to Louisville flight tickets
American Airlines
Dec 17
PHL7:19 pmPhiladelphia
2h 23m
SDF9:42 pmLouisville Intl
Dec 20
SDF11:19 amLouisville Intl
2h 00m
PHL1:19 pmPhiladelphia
$559
Find similar
American Airlines
Dec 17
PHL3:35 pmPhiladelphia
2h 16m
SDF5:51 pmLouisville Intl
Dec 20
SDF4:00 pmLouisville Intl
5h 53m
1 stop
PHL9:53 pmPhiladelphia
$569
Find similar
American Airlines
Dec 18
PHL7:12 pmPhiladelphia
2h 29m
SDF9:41 pmLouisville Intl
Dec 20
SDF11:19 amLouisville Intl
2h 00m
PHL1:19 pmPhiladelphia
$581
Find similar

United Airlines flights from Philadelphia to Louisville

Our best United Airlines deals on Philadelphia to Louisville flight tickets
United Airlines
Dec 28
PHL8:27 amPhiladelphia
4h 46m
1 stop
SDF1:13 pmLouisville Intl
Jan 10
SDF11:10 amLouisville Intl
10h 26m
1 stop
PHL9:36 pmPhiladelphia
$536
Find similar
United Airlines
Dec 22
PHL10:39 amPhiladelphia
4h 05m
1 stop
SDF2:44 pmLouisville Intl
Jan 5
SDF9:55 amLouisville Intl
23h 42m
1 stop
PHL9:37 amPhiladelphia
$550
Find similar
United Airlines
Dec 23
PHL10:39 amPhiladelphia
4h 05m
1 stop
SDF2:44 pmLouisville Intl
Dec 27
SDF9:55 amLouisville Intl
13h 35m
1 stop
PHL11:30 pmPhiladelphia
$558
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 December 15, 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 1/20

6:00 am-2:41 pm

1 stop8h 41m

Louisville Intl

Thu 1/29

3:36 pm-11:50 pm

1 stop8h 14m

$113

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sun 1/11

5:10 am-10:07 am

1 stop28h 57m

Louisville Intl

Wed 1/14

1:55 pm-8:36 am

1 stop18h 41m

$147

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 1/8

6:00 am-2:41 pm

1 stop8h 41m

Louisville Intl

Tue 1/13

3:36 pm-11:50 pm

1 stop8h 14m

$164

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 1/7

12:23 pm-11:59 pm

1 stop11h 36m

Louisville Intl

Thu 1/8

7:00 am-8:01 pm

1 stop13h 01m

$172

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 1/20

1:40 pm-1:00 pm

2 stops23h 20m

Louisville Intl

Thu 1/29

3:36 pm-11:50 pm

1 stop8h 14m

$177

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Fri 1/9

6:00 am-1:00 pm

1 stop7h 00m

Louisville Intl

Mon 1/12

6:54 pm-11:14 am

1 stop16h 20m

$187

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Wed 1/7

4:25 pm-11:59 pm

1 stop7h 34m

Louisville Intl

Thu 1/8

7:00 am-11:48 pm

2 stops16h 48m

$189

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sun 1/11

8:43 pm-1:00 pm

1 stop16h 17m

Louisville Intl

Wed 1/14

1:55 pm-8:47 am

2 stops18h 52m

$199

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Tue 1/20

1:40 pm-1:00 pm

3 stops23h 20m

Louisville Intl

Thu 1/29

3:36 pm-11:50 pm

1 stop8h 14m

$206

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 1/8

6:11 pm-1:00 pm

2 stops18h 49m

Louisville Intl

Tue 1/13

3:36 pm-11:50 pm

1 stop8h 14m

$210

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 Tuesday will generally be more expensive and average around $539. 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 in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $480. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $513 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 $485 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 $315 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 2% 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 December 2025, prices for Philadelphia to Louisville flights are approximately 282% 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

$579

Fastest flight time

2h 16m

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 $579
The fastest flight from Philadelphia to Louisville takes 2h 16m
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 16m 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 $162Free CancellationRating
6.3
8,187 reviews
Search Spirit Airlines flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,008 reviews
Search Delta flights
SouthwestPriceFrom $258Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $309Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Louisville

    American Airlines flight deals from Philadelphia to Louisville start from $309 round-trip. Over the 14 American Airlines flights for this route in a normal week, average airfare is usually $509 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
Elizabeth
Corydon
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.

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