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Cheap flights from Philadelphia to Louisville from $80

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 1/20. 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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Multiple Airlines Logo
8:00 am - 6:04 pmPHL-SDF
10h 04m1 stop
Multiple Airlines Logo
1:55 pm - 9:20 pmSDF-PHL
7h 25m1 stop
$166Multiple Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 11
Spirit Airlines Logo
8:00 am - 2:33 pmPHL-SDF
6h 33m1 stop
Spirit Airlines Logo
1:55 pm - 7:48 pmSDF-PHL
5h 53m1 stop
$171Spirit Airlines
Find Deal
Thu, Jan 8 - Fri, Jan 9
Spirit Airlines Logo
8:43 pm - 2:33 pmPHL-SDF
17h 50m2 stops
Spirit Airlines Logo
1:55 pm - 9:20 pmSDF-PHL
7h 25m1 stop
$183Spirit Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 11
Spirit Airlines Logo
8:43 pm - 2:33 pmPHL-SDF
17h 50m2 stops
Spirit Airlines Logo
1:55 pm - 11:50 pmSDF-PHL
9h 55m2 stops
$217Spirit Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 11
Spirit Airlines Logo
5:30 am - 12:21 pmPHL-SDF
6h 51m1 stop
Spirit Airlines Logo
1:19 pm - 7:03 pmSDF-PHL
5h 44m1 stop
$228Spirit Airlines
Find Deal
Mon, Feb 23 - Wed, Feb 25
Spirit Airlines Logo
5:30 am - 1:00 pmPHL-SDF
7h 30m1 stop
Spirit Airlines Logo
1:55 pm - 9:20 pmSDF-PHL
7h 25m1 stop
$229Spirit Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
Spirit Airlines Logo
5:30 am - 1:00 pmPHL-SDF
7h 30m1 stop
Spirit Airlines Logo
1:55 pm - 9:20 pmSDF-PHL
7h 25m1 stop
$233Spirit Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 11
Spirit Airlines Logo
8:00 pm - 2:38 pmPHL-SDF
18h 38m2 stops
Spirit Airlines Logo
1:19 pm - 7:03 pmSDF-PHL
5h 44m1 stop
$240Spirit Airlines
Find Deal
Mon, Feb 23 - Wed, Feb 25
Spirit Airlines Logo
8:00 pm - 2:38 pmPHL-SDF
18h 38m2 stops
Spirit Airlines Logo
1:19 pm - 8:44 amSDF-PHL
19h 25m2 stops
$247Spirit Airlines
Find Deal
Mon, Feb 23 - Wed, Feb 25
Multiple Airlines Logo
10:00 am - 11:59 pmPHL-SDF
13h 59m2 stops
Multiple Airlines Logo
5:05 am - 12:25 pmSDF-PHL
7h 20m1 stop
$250Multiple Airlines
Find Deal
Mon, Dec 22 - Tue, Dec 23

Spirit Airlines flights from Philadelphia to Louisville

Our best Spirit Airlines deals on Philadelphia to Louisville flight tickets
Spirit Airlines
Jan 8
PHL8:00 amPhiladelphia
6h 33m
1 stop
SDF2:33 pmLouisville Intl
Jan 9
SDF1:55 pmLouisville Intl
5h 53m
1 stop
PHL7:48 pmPhiladelphia
$171
Find similar
Spirit Airlines
Feb 9
PHL8:43 pmPhiladelphia
17h 50m
2 stops
SDF2:33 pmLouisville Intl
Feb 11
SDF1:55 pmLouisville Intl
7h 25m
1 stop
PHL9:20 pmPhiladelphia
$183
Find similar
Spirit Airlines
Feb 9
PHL8:43 pmPhiladelphia
17h 50m
2 stops
SDF2:33 pmLouisville Intl
Feb 11
SDF1:55 pmLouisville Intl
9h 55m
2 stops
PHL11:50 pmPhiladelphia
$217
Find similar

United Airlines flights from Philadelphia to Louisville

Our best United Airlines deals on Philadelphia to Louisville flight tickets
United Airlines
Dec 17
PHL6:30 amPhiladelphia
10h 46m
1 stop
SDF5:16 pmLouisville Intl
Dec 20
SDF2:22 pmLouisville Intl
19h 33m
1 stop
PHL9:55 amPhiladelphia
$476
Find similar
United Airlines
Dec 9
PHL10:33 amPhiladelphia
10h 09m
1 stop
SDF8:42 pmLouisville Intl
Dec 13
SDF9:55 amLouisville Intl
23h 40m
1 stop
PHL9:35 amPhiladelphia
$537
Find similar
United Airlines
Dec 10
PHL10:33 amPhiladelphia
4h 12m
1 stop
SDF2:45 pmLouisville Intl
Dec 14
SDF9:55 amLouisville Intl
23h 40m
1 stop
PHL9:35 amPhiladelphia
$543
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 November 26, 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

Mon 2/9

8:00 am-6:04 pm

1 stop10h 04m

Louisville Intl

Wed 2/11

1:55 pm-9:20 pm

1 stop7h 25m

$166

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Thu 1/8

8:00 am-2:33 pm

1 stop6h 33m

Louisville Intl

Fri 1/9

1:55 pm-7:48 pm

1 stop5h 53m

$171

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/9

8:43 pm-2:33 pm

2 stops17h 50m

Louisville Intl

Wed 2/11

1:55 pm-9:20 pm

1 stop7h 25m

$183

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/9

8:43 pm-2:33 pm

2 stops17h 50m

Louisville Intl

Wed 2/11

1:55 pm-11:50 pm

2 stops9h 55m

$217

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/23

5:30 am-12:21 pm

1 stop6h 51m

Louisville Intl

Wed 2/25

1:19 pm-7:03 pm

1 stop5h 44m

$228

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Fri 1/9

5:30 am-1:00 pm

1 stop7h 30m

Louisville Intl

Fri 1/16

1:55 pm-9:20 pm

1 stop7h 25m

$229

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/9

5:30 am-1:00 pm

1 stop7h 30m

Louisville Intl

Wed 2/11

1:55 pm-9:20 pm

1 stop7h 25m

$233

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/23

8:00 pm-2:38 pm

2 stops18h 38m

Louisville Intl

Wed 2/25

1:19 pm-7:03 pm

1 stop5h 44m

$240

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 2/23

8:00 pm-2:38 pm

2 stops18h 38m

Louisville Intl

Wed 2/25

1:19 pm-8:44 am

2 stops19h 25m

$247

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 12/22

10:00 am-11:59 pm

2 stops13h 59m

Louisville Intl

Tue 12/23

5:05 am-12:25 pm

1 stop7h 20m

$250

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 Saturday 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 $471. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $525 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 $483 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 November 2025, prices for Philadelphia to Louisville flights are approximately 79% 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

$509

Fastest flight time

2h 14m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Louisville

1 airport
The best 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 14m
Direct flights go from Philadelphia to Louisville on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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. 2h 19m 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
8,156 reviews
Search Spirit Airlines flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
SouthwestPriceFrom $258Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $310Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Louisville

    American Airlines flight deals from Philadelphia to Louisville start from $310 round-trip. Over the 9 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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