HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pennsylvania

$57+ Cheap flights from Louisville (SDF) to Pennsylvania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Pennsylvania with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Pennsylvania

Keep the following information in mind while searching for Louisville to Pennsylvania flight deals. Data was last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$176
(Kiwi.com)

One-way from

$57
(CheapOair)

Popular in

August

Cheapest in

June

Average price

$515

Good round-trip deal

$436 or less

Good one-way deal

$211 or less
Provider with most accurate pricing for Louisville Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Philadelphia flights.
Search Deals
From Louisville Intl to Pennsylvania
Search Deals
One-way flight from Louisville Intl to Pennsylvania
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Pennsylvania.
Search Deals

Find flight deals from Louisville to Pennsylvania

Cheapest flights from Louisville to Pennsylvania
Explore the most affordable flight options available from Louisville to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:55 amSDF - PHL
1 stop11h 21mSpirit Airlines
Sun 12/76:53 pmPHL - SDF
1 stop16h 07mSpirit Airlines
Deal found 11/18$166
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:21 amSDF - PHL
1 stop27h 37mMultiple Airlines
Wed 12/104:00 pmPHL - SDF
1 stop19h 00mMultiple Airlines
Deal found 11/16$176
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:52 pmSDF - EWR
1 stop17h 03mMultiple Airlines
Sun 12/78:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Deal found 11/17$178
This Mytrip deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:55 amSDF - PHL
1 stop11h 21mSpirit Airlines
Sun 12/146:53 pmPHL - SDF
1 stop16h 07mSpirit Airlines
Deal found 11/17$195
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:52 pmSDF - EWR
1 stop17h 03mMultiple Airlines
Sun 12/148:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Deal found 11/17$195
This Southwest deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:45 amSDF - DCA
1 stop6h 15mSouthwest
Tue 12/96:55 pmDCA - SDF
1 stop4h 10mSouthwest
Deal found 11/17$197
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:21 amSDF - EWR
1 stop21h 41mMultiple Airlines
Sun 12/148:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Deal found 11/17$197
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
Sun 12/2812:51 pmIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 11/16$202
This Southwest deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:50 pmSDF - DCA
1 stop6h 40mSouthwest
Wed 12/106:55 pmDCA - SDF
1 stop4h 10mSouthwest
Deal found 11/18$203
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:57 pmSDF - DCA
Nonstop1h 46mAmerican Airlines
Mon 12/88:28 amDCA - SDF
Nonstop2h 12mAmerican Airlines
Deal found 11/17$204
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:55 amSDF - IAD
Nonstop1h 38mUnited Airlines
Mon 12/812:50 pmIAD - SDF
Nonstop1h 55mUnited Airlines
Deal found 11/16$204
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:21 amSDF - EWR
1 stop21h 41mMultiple Airlines
Sat 12/134:53 pmEWR - SDF
1 stop18h 07mMultiple Airlines
Deal found 11/17$205

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Louisville to Pennsylvania that are best for you.

Fly from

Louisville

Fly to

Pennsylvania

Route

Depart

Return

Price

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

$168

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 12/23

9:55 am-11:36 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 12/28

12:51 pm-2:44 pm

Nonstop1h 53m

$202

LouisvillePittsburgh

SDF - PIT

SDFPIT

Louisville Intl

Fri 2/6

1:55 pm-11:07 pm

1 stop9h 12m

Pittsburgh

Mon 2/9

5:50 pm-2:33 pm

1 stop20h 43m

$202

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 12/6

9:55 am-11:33 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 12/8

12:50 pm-2:45 pm

Nonstop1h 55m

$204

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 1/13

7:35 am-6:00 pm

2 stops10h 25m

Washington, D.C. Reagan-National

Wed 1/14

6:00 am-12:15 pm

1 stop6h 15m

$208

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 12/13

6:00 am-12:42 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Thu 12/18

6:02 am-10:04 am

1 stop4h 02m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 1/21

5:00 pm-9:23 pm

1 stop4h 23m

Washington, D.C. Reagan-National

Sat 1/24

12:20 pm-5:01 pm

1 stop4h 41m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 12/25

6:45 am-1:00 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Thu 12/25

6:55 pm-11:05 pm

1 stop4h 10m

$209

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 1/26

1:55 pm-7:48 pm

1 stop5h 53m

Philadelphia

Thu 1/29

8:43 pm-1:00 pm

1 stop16h 17m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 1/20

3:32 pm-8:32 pm

1 stop5h 00m

Washington, D.C. Reagan-National

Sat 1/24

7:00 am-11:37 am

1 stop4h 37m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Louisville to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Pennsylvania

What is the cheapest month to book a flight from Louisville to Pennsylvania?

Currently, February is the cheapest month in which you can book a flight from Louisville to Pennsylvania (average of $116). Flying from Louisville to Pennsylvania in August is currently the most expensive (average of $212). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to PA?

Find hourly flight availability from Louisville to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

It’s optimal to fly from Louisville to Pennsylvania in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Louisville to Pennsylvania?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Pennsylvania. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to Pennsylvania flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated November 18, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Louisville to Pennsylvania by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,003 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,019 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,151 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Louisville to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Pennsylvania?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Pennsylvania. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

  • How popular is this Louisville to Pennsylvania flight route?

    The Louisville Intl to Pennsylvania flight path was viewed by 16 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Louisville to Pennsylvania?

    A quick flight from Louisville to Pennsylvania can take about 1h 41m. Spirit Airlines provides one of the quickest options available for as low as $202. There are 450 mi between Louisville and Pennsylvania. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Louisville to Pennsylvania one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $100. Users have also found prices from $104 and $118 on Southwest and American Airlines, respectively.

  • What are the most popular routes from Louisville to Pennsylvania?

    When deciding which route to take from Louisville to Pennsylvania consider Louisville Intl - New York LaGuardia, Louisville Intl - Newark or Louisville Intl - New York John F Kennedy Intl as they are the most popular.

  • What are the most reliable airlines from Louisville to Pennsylvania?

    The top 3 most reliable airlines when flying from Louisville to Pennsylvania are Piedmont Airlines (92%), Aer Lingus (89%) and Republic Airways (89%).

  • What are the cheapest flights from Louisville to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Louisville Intl - New York LaGuardia) can be booked for $148 on average, our data indicates $482 when flying from Louisville to Pennsylvania.

  • Can I find deals for flights from Louisville to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Louisville to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Pennsylvania.

  • Can I find deals for business class flights from Louisville to Pennsylvania?

    Yes. Cheapflights offers flight deals from Louisville to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Pennsylvania?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Pennsylvania (average of $116). Flying from Louisville to Pennsylvania in August is currently the most expensive (average of $212). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Orlando flights
Cincinnati to John F Kennedy Intl flights
Cincinnati to Fort Lauderdale flights
Cincinnati to LaGuardia flights
Cincinnati to Newark flights
Nashville to John F Kennedy Intl flights
Nashville to LaGuardia flights
Cincinnati to Las Vegas flights
Cincinnati to Tampa flights
Cincinnati to Sky Harbor Intl flights
Cincinnati to Denver flights
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Miami flights
Nashville to Newark flights
Cincinnati to Fort Myers flights
Nashville to Las Vegas flights
Cincinnati to Hobby flights
Nashville to Orlando flights
Nashville to Denver flights
Nashville to Fort Lauderdale flights
Cincinnati to Los Angeles flights
Nashville to Seattle flights
Nashville to Los Angeles flights
Nashville to Dallas/Fort Worth flights
Nashville to Miami flights
Louisville to LaGuardia flights
Louisville to Miami flights
Nashville to O'Hare Intl flights
Cincinnati to George Bush Intcntl flights
Louisville to Las Vegas flights
Louisville to Orlando flights
Cincinnati to Orlando Sanford Intl flights
Cincinnati to Atlanta flights
Louisville to Newark flights
Nashville to Sky Harbor Intl flights
Knoxville to LaGuardia flights
Nashville to Boston flights
Nashville to Salt Lake City flights
Nashville to Hobby flights
Louisville to John F Kennedy Intl flights
Knoxville to O'Hare Intl flights
Nashville to Dulles Intl flights
Nashville to Reagan-National flights
Cincinnati to Seattle flights
Louisville to Dallas/Fort Worth flights
Knoxville to John F Kennedy Intl flights
Nashville to George Bush Intcntl flights
Louisville to Denver flights
Nashville to Baltimore flights
Nashville to San Francisco flights

Top 5 airlines flying from Louisville to Pennsylvania

Discover the top 5 airlines that operate flights from Louisville to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$150Average$372FlexibilityNo cancel feeOn-time63%
Spirit AirlinesCheapest$165Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$423FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.