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Cheap flights from Louisville to Philadelphia 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 Louisville to Philadelphia departing on 2/3. 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 Louisville to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:54 pm - 11:14 am
SDF
-
PHL
16h 20m1 stop
Multiple Airlines Logo
8:43 pm - 1:00 pm
PHL
-
SDF
16h 17m1 stop
$142Multiple Airlines
Mon, Jan 12 - Tue, Jan 13
Multiple Airlines Logo
6:54 pm - 8:47 am
SDF
-
PHL
13h 53m1 stop
Multiple Airlines Logo
6:11 pm - 2:41 pm
PHL
-
SDF
20h 30m1 stop
$166Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
6:54 pm - 11:14 am
SDF
-
PHL
16h 20m1 stop
Multiple Airlines Logo
1:40 pm - 1:00 pm
PHL
-
SDF
23h 20m2 stops
$167Multiple Airlines
Mon, Jan 12 - Tue, Jan 13
Spirit Airlines Logo
3:36 pm - 11:50 pm
SDF
-
PHL
8h 14m1 stop
Spirit Airlines Logo
6:00 am - 2:41 pm
PHL
-
SDF
8h 41m1 stop
$177Spirit Airlines
Sun, Jan 18 - Tue, Jan 20
Multiple Airlines Logo
3:36 pm - 11:14 am
SDF
-
PHL
19h 38m1 stop
Multiple Airlines Logo
8:01 pm - 10:07 am
PHL
-
SDF
14h 06m1 stop
$181Multiple Airlines
Tue, Feb 3 - Sun, Feb 8
Spirit Airlines Logo
1:55 pm - 7:48 pm
SDF
-
PHL
5h 53m1 stop
Spirit Airlines Logo
5:30 am - 1:00 pm
PHL
-
SDF
7h 30m1 stop
$182Spirit Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
6:54 pm - 8:47 am
SDF
-
PHL
13h 53m1 stop
Multiple Airlines Logo
8:43 pm - 2:41 pm
PHL
-
SDF
17h 58m2 stops
$188Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
6:54 pm - 11:14 am
SDF
-
PHL
16h 20m1 stop
Multiple Airlines Logo
1:40 pm - 1:00 pm
PHL
-
SDF
23h 20m3 stops
$198Multiple Airlines
Mon, Jan 12 - Tue, Jan 13
Multiple Airlines Logo
3:36 pm - 10:37 am
SDF
-
PHL
19h 01m2 stops
Multiple Airlines Logo
8:01 pm - 10:07 am
PHL
-
SDF
14h 06m1 stop
$203Multiple Airlines
Tue, Feb 3 - Sun, Feb 8
Spirit Airlines Logo
1:55 pm - 10:03 pm
SDF
-
PHL
8h 08m1 stop
Spirit Airlines Logo
8:20 am - 2:41 pm
PHL
-
SDF
6h 21m1 stop
$204Spirit Airlines
Fri, Jan 16 - Sun, Jan 18

Spirit Airlines flights from Louisville to Philadelphia

Our best Spirit Airlines deals on Louisville to Philadelphia flight tickets
Spirit Airlines
Jan 18
SDF3:36 pmLouisville Intl
8h 14m
1 stop
PHL11:50 pmPhiladelphia
Jan 20
PHL6:00 amPhiladelphia
8h 41m
1 stop
SDF2:41 pmLouisville Intl
$177
Find similar
Spirit Airlines
Jan 9
SDF1:55 pmLouisville Intl
5h 53m
1 stop
PHL7:48 pmPhiladelphia
Jan 12
PHL5:30 amPhiladelphia
7h 30m
1 stop
SDF1:00 pmLouisville Intl
$182
Find similar
Spirit Airlines
Jan 16
SDF1:55 pmLouisville Intl
8h 08m
1 stop
PHL10:03 pmPhiladelphia
Jan 18
PHL8:20 amPhiladelphia
6h 21m
1 stop
SDF2:41 pmLouisville Intl
$204
Find similar

United Airlines flights from Louisville to Philadelphia

Our best United Airlines deals on Louisville to Philadelphia flight tickets
United Airlines
Dec 16
SDF2:05 pmLouisville Intl
5h 03m
1 stop
PHL7:08 pmPhiladelphia
Jan 5
PHL10:39 amPhiladelphia
8h 32m
1 stop
SDF7:11 pmLouisville Intl
$528
Find similar
United Airlines
Dec 16
SDF9:55 amLouisville Intl
4h 13m
1 stop
PHL2:08 pmPhiladelphia
Jan 5
PHL10:39 amPhiladelphia
8h 32m
1 stop
SDF7:11 pmLouisville Intl
$573
Find similar
United Airlines
Dec 20
SDF10:50 amLouisville Intl
6h 38m
1 stop
PHL5:28 pmPhiladelphia
Dec 22
PHL6:35 amPhiladelphia
6h 38m
1 stop
SDF1:13 pmLouisville Intl
$601
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Philadelphia 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 Louisville to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 1/12

6:54 pm-11:14 am

1 stop16h 20m

Philadelphia

Tue 1/13

8:43 pm-1:00 pm

1 stop16h 17m

$142

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/9

6:54 pm-8:47 am

1 stop13h 53m

Philadelphia

Mon 1/12

6:11 pm-2:41 pm

1 stop20h 30m

$166

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 1/12

6:54 pm-11:14 am

1 stop16h 20m

Philadelphia

Tue 1/13

1:40 pm-1:00 pm

2 stops23h 20m

$167

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sun 1/18

3:36 pm-11:50 pm

1 stop8h 14m

Philadelphia

Tue 1/20

6:00 am-2:41 pm

1 stop8h 41m

$177

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 2/3

3:36 pm-11:14 am

1 stop19h 38m

Philadelphia

Sun 2/8

8:01 pm-10:07 am

1 stop14h 06m

$181

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/9

1:55 pm-7:48 pm

1 stop5h 53m

Philadelphia

Mon 1/12

5:30 am-1:00 pm

1 stop7h 30m

$182

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/9

6:54 pm-8:47 am

1 stop13h 53m

Philadelphia

Mon 1/12

8:43 pm-2:41 pm

2 stops17h 58m

$188

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 1/12

6:54 pm-11:14 am

1 stop16h 20m

Philadelphia

Tue 1/13

1:40 pm-1:00 pm

3 stops23h 20m

$198

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 2/3

3:36 pm-10:37 am

2 stops19h 01m

Philadelphia

Sun 2/8

8:01 pm-10:07 am

1 stop14h 06m

$203

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 1/16

1:55 pm-10:03 pm

1 stop8h 08m

Philadelphia

Sun 1/18

8:20 am-2:41 pm

1 stop6h 21m

$204

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 Philadelphia from

How to get the cheapest flight ticket from Louisville to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Louisville is in June. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Louisville averaging around $398.

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

The cheapest day to depart from Louisville to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $553. On the other hand, Sunday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $741.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Louisville to Philadelphia in the evening for as low as $345. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $1,092.

What is the cheapest Louisville Intl to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Louisville for as low as $336 on momondo.

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

There are 3 cabin classes available to choose from on Louisville Intl to Philadelphia 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 Louisville to Philadelphia flights?

You could potentially save up to 26% on your flight if you consider stops on a Louisville to Philadelphia flight.

How have Louisville to Philadelphia flight prices changed over time?

As of December 2025, prices for Louisville to Philadelphia flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Philadelphia

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

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

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

Best Price Found

$288

Fastest flight time

2h 01m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Louisville in the past 72 hours is $288. The best round-trip flight deal from Louisville to Philadelphia found on momondo in the last 72 hours is $416.
The fastest flight from Louisville to Philadelphia takes 2h 01m
Direct flights go from Louisville to Philadelphia every day.
There is 1 airport in Philadelphia. From Louisville there are direct flights to Philadelphia (PHL).
Search flight deals

  • How far is Louisville Intl to Philadelphia by plane?

    Louisville Intl and Philadelphia are 579.7 mi apart from one another. Typically, this will take 2h 01m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Philadelphia Airport.

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

    The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Louisville to Philadelphia

Compare and see reviews for airlines that fly from Louisville to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $165Free CancellationRating
6.3
8,187 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $215Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
DeltaPriceFrom $226Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

  • American Airlines Flights From Louisville to Philadelphia

    The lowest priced American Airlines flight from Louisville to Philadelphia from the last 72 hours was $277. Generally, American Airlines has 17 flights on this route every week with an average price of $504. American Airlines is rated 7.2/10 by our users.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
Pottstown
Elkton
Somers Point

Why use momondo?

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

Finding the right flight to Philadelphia from Louisville 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 Philadelphia quick and easy, saving you time and money.

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

Flights from Louisville to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Louisville.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Louisville and alert you when they change.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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