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$65+ Cheap flights from Pennsylvania to Louisville (SDF)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SDF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Pennsylvania to Louisville

Cheapest flights from Pennsylvania to Louisville
Explore the most affordable flight options available from Pennsylvania to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/1. 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.
Wed 12/317:24 amPIT - SDF
1 stop9h 55mAmerican Airlines
Wed 1/73:33 pmSDF - PIT
1 stop4h 03mAmerican Airlines
Deal found 12/1$171
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/318:00 amPIT - SDF
1 stop15h 59mMultiple Airlines
Mon 1/58:53 pmSDF - PIT
1 stop25h 49mMultiple Airlines
Deal found 12/3$191
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/198:00 amPIT - SDF
1 stop15h 59mSpirit Airlines
Tue 12/235:05 amSDF - PIT
1 stop28h 53mSpirit Airlines
Deal found 12/1$217
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/297:45 pmDCA - SDF
Nonstop1h 48mAmerican Airlines
Sat 1/36:03 amSDF - DCA
Nonstop1h 39mAmerican Airlines
Deal found 12/1$219
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/317:15 amEWR - SDF
1 stop5h 58mUnited Airlines
Tue 1/68:30 amSDF - EWR
Nonstop2h 16mUnited Airlines
Deal found 12/2$219
This Delta deal was found by Cheapflights users on 12/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amIAD - SDF
1 stop7h 12mDelta
Mon 1/55:45 pmSDF - IAD
1 stop5h 52mDelta
Deal found 12/1$219
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/258:44 pmEWR - SDF
Nonstop2h 38mUnited Airlines
Sat 1/171:50 pmSDF - EWR
Nonstop2h 19mUnited Airlines
Deal found 12/2$222
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/316:32 pmEWR - SDF
1 stop29h 27mSpirit Airlines
Tue 1/65:05 amSDF - EWR
1 stop13h 36mSpirit Airlines
Deal found 12/2$223
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/256:00 amDCA - SDF
1 stop6h 06mAmerican Airlines
Thu 1/16:03 amSDF - DCA
Nonstop1h 39mAmerican Airlines
Deal found 12/2$227
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Sun 12/148:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Fri 12/198:52 pmSDF - EWR
1 stop19h 26mMultiple Airlines
Deal found 12/1$228
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amEWR - SDF
1 stop6h 57mDelta
Sat 1/1010:51 amSDF - EWR
1 stop6h 38mDelta
Deal found 12/2$229
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/315:30 pmDCA - SDF
Nonstop1h 56mAmerican Airlines
Sun 1/46:03 amSDF - DCA
Nonstop1h 39mAmerican Airlines
Deal found 12/2$232

Find flight deals from Pennsylvania to Louisville

Keep the following information in mind while searching for Pennsylvania to Louisville flight deals. Data was last updated December 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$140
(Cheapflightsfares)

One-way from

$65
(Southwest)

Popular in

October

Cheapest in

February

Average price

$509

Good round-trip deal

$509 or less
Provider with most accurate pricing for Philadelphia-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Louisville Intl flights.
Search Deals
From Pennsylvania to Louisville Intl
Search Deals
One-way flight from Pennsylvania to Louisville Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Pennsylvania to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Pennsylvania to Louisville that are best for you.

Fly from

Pennsylvania

Fly to

Louisville

Route

Depart

Return

Price

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Mon 1/26

5:30 am-1:00 pm

1 stop7h 30m

Louisville Intl

Thu 1/29

3:36 pm-11:50 pm

1 stop8h 14m

$184

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Wed 2/18

6:00 am-10:04 am

1 stop4h 04m

Louisville Intl

Sat 2/21

10:46 am-5:14 pm

1 stop6h 28m

$186

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Wed 12/31

8:00 am-11:59 pm

1 stop15h 59m

Louisville Intl

Mon 1/5

8:53 pm-10:42 pm

1 stop25h 49m

$191

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Thu 1/1

8:00 am-11:59 pm

1 stop15h 59m

Louisville Intl

Mon 1/5

8:53 pm-9:58 am

1 stop13h 05m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 1/17

6:05 am-10:11 am

1 stop4h 06m

Louisville Intl

Sat 1/24

5:35 am-12:40 pm

1 stop7h 05m

$217

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 12/19

8:00 am-11:59 pm

1 stop15h 59m

Louisville Intl

Tue 12/23

5:05 am-9:58 am

1 stop28h 53m

$217

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 2/21

6:00 am-10:04 am

1 stop4h 04m

Louisville Intl

Mon 2/23

6:33 pm-11:09 pm

1 stop4h 36m

$217

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 2/13

4:59 pm-7:25 pm

Nonstop2h 26m

Louisville Intl

Mon 2/16

5:54 pm-12:28 am

1 stop6h 34m

$219

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 12/31

5:35 pm-10:58 pm

1 stop5h 23m

Louisville Intl

Mon 1/5

12:25 pm-6:50 pm

1 stop6h 25m

$219

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 1/1

6:00 am-1:12 pm

1 stop7h 12m

Louisville Intl

Thu 1/8

6:00 am-10:55 am

1 stop4h 55m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Pennsylvania 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 Pennsylvania to Louisville

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

Currently, April is the cheapest month in which you can book a flight from Pennsylvania to Louisville (average of $104). Flying from Pennsylvania to Louisville in March is currently the most expensive (average of $226). 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 PA to SDF?

Find hourly flight availability from Pennsylvania to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Pennsylvania to Louisville in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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

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

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

Weekly flight availability from Pennsylvania to Louisville

Explore weekly flight availability from Pennsylvania to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 4, 2025.

The most flights from USPA to SDF are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Louisville. 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 into for flights to Louisville from Pennsylvania?

    For a flight from Pennsylvania to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

  • How popular is this Pennsylvania to Louisville flight route?

    Within the past month, 1 users have taken a look at flights from Pennsylvania to Louisville Intl.

  • How long is the flight from Pennsylvania to Louisville?

    There are many flights that can get you from Pennsylvania to Louisville in 2h 26m. Fly via Spirit Airlines, Delta, or United Airlines to get the fastest option. There are 640 mi between Pennsylvania and Louisville. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $79 on American Airlines. Other airlines that offer cheap prices include Southwest from $95 and Delta from $98 one-way.

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

    The most popular route from Pennsylvania to Louisville is Newark - Louisville Intl. You may also consider New York LaGuardia - Louisville Intl or New York John F Kennedy Intl - Louisville Intl.

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

    The top 3 most reliable airlines when flying from Pennsylvania to Louisville are Alaska Airlines (95%), Piedmont Airlines (95%) and American Airlines (88%).

  • What are the cheapest flights from Pennsylvania to Louisville?

    Looking for the cheapest flight from Pennsylvania to Louisville? While on average our users pay $569, our data indicates the cheapest price to be $489. The most popular route (Newark - Louisville Intl), is priced around $181.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Louisville 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 Pennsylvania to Louisville?

    Currently, April is the cheapest month in which you can book a flight from Pennsylvania to Louisville (average of $104). Flying from Pennsylvania to Louisville in March is currently the most expensive (average of $226). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Alternative routes for Pennsylvania to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Pennsylvania to Louisville

Discover the top 5 airlines that operate flights from Pennsylvania to Louisville. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$124Average$431FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$162Average$224FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$447FlexibilityNo cancel feeOn-time71%
DeltaCheapest$207Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$258Average$396FlexibilityNo cancel feeOn-time63%

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