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$77+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SDF
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Pennsylvania to Louisville

Keep the following information in mind while searching for Pennsylvania to Louisville flight deals. Data was last updated August 16, 2025.

Round-trip from

$178
(Mytrip)

One-way from

$77
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$509

Good round-trip deal

$509 or less

Good one-way deal

$433 or less
From Pennsylvania to Louisville Intl
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One-way flight from Pennsylvania to Louisville Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Pennsylvania to Louisville Intl.
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Price to beat on a one-way flight from Pennsylvania to Louisville Intl.
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Find 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 August 16, 2025.

This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 9/136:10 amEWR - SDF
1 stop15h 54mSpirit Airlines
Sat 9/2010:14 amSDF - EWR
1 stop12h 52mSpirit Airlines
Deal found 8/14$178
This Expedia deal was found by Cheapflights users on 8/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
Wed 9/1010:14 amSDF - EWR
1 stop7h 45mSpirit Airlines
Deal found 8/15$179
This Southwest deal was found by Cheapflights users on 8/14. 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.
Sat 9/208:25 amDCA - SDF
1 stop6h 40mSouthwest
Tue 9/233:20 pmSDF - DCA
1 stop7h 55mSouthwest
Deal found 8/14$186
This Southwest deal was found by Cheapflights users on 8/15. 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.
Mon 9/225:00 pmPIT - SDF
1 stop6h 30mSouthwest
Wed 9/245:30 amSDF - PIT
1 stop6h 30mSouthwest
Deal found 8/15$186
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 9/91:30 pmDCA - SDF
1 stop7h 25mDelta
Sat 9/135:56 pmSDF - DCA
1 stop5h 46mDelta
Deal found 8/14$187
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 9/93:26 pmIAD - SDF
1 stop5h 48mDelta
Sat 9/135:56 pmSDF - IAD
1 stop5h 21mDelta
Deal found 8/14$187
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 8/318:03 pmDCA - SDF
Nonstop1h 57mAmerican Airlines
Mon 9/87:35 pmSDF - DCA
Nonstop1h 44mAmerican Airlines
Deal found 8/14$188
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 9/98:29 amDCA - SDF
Nonstop2h 12mAmerican Airlines
Sat 9/136:00 amSDF - DCA
Nonstop1h 45mAmerican Airlines
Deal found 8/15$189
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Wed 9/104:20 pmEWR - SDF
1 stop16h 59mSpirit Airlines
Tue 9/1610:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Deal found 8/14$189
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/298:30 pmDCA - SDF
Nonstop1h 52mAmerican Airlines
Mon 10/66:05 amSDF - DCA
Nonstop1h 40mAmerican Airlines
Deal found 8/15$190
This Southwest deal was found by Cheapflights users on 8/14. 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.
Sun 9/216:00 amDCA - SDF
1 stop8h 10mSouthwest
Tue 9/303:20 pmSDF - DCA
1 stop7h 55mSouthwest
Deal found 8/14$192
This Delta deal was found by Cheapflights users on 8/14. 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.
Mon 9/227:30 pmDCA - SDF
1 stop4h 22mDelta
Tue 9/306:33 pmSDF - DCA
1 stop4h 24mDelta
Deal found 8/14$193

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 August 16, 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

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 9/13

6:10 am-10:04 pm

1 stop15h 54m

Louisville Intl

Sat 9/20

10:14 am-11:06 pm

1 stop12h 52m

$178

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 9/20

8:25 am-3:05 pm

1 stop6h 40m

Louisville Intl

Tue 9/23

3:20 pm-11:15 pm

1 stop7h 55m

$186

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Mon 9/22

5:00 pm-11:30 pm

1 stop6h 30m

Louisville Intl

Wed 9/24

5:30 am-12:00 pm

1 stop6h 30m

$186

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 9/9

1:30 pm-8:55 pm

1 stop7h 25m

Louisville Intl

Sat 9/13

5:56 pm-11:42 pm

1 stop5h 46m

$187

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 9/17

10:05 am-9:19 am

2 stops23h 14m

Louisville Intl

Sat 9/20

10:14 am-11:06 pm

1 stop12h 52m

$187

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 9/20

2:51 pm-9:35 pm

1 stop6h 44m

Louisville Intl

Tue 9/23

6:33 pm-11:06 pm

1 stop4h 33m

$187

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 9/13

5:25 pm-9:35 pm

1 stop4h 10m

Louisville Intl

Wed 9/17

7:50 am-11:28 am

1 stop3h 38m

$187

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 9/9

3:26 pm-9:14 pm

1 stop5h 48m

Louisville Intl

Sat 9/13

5:56 pm-11:17 pm

1 stop5h 21m

$187

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sun 8/31

8:03 pm-10:00 pm

Nonstop1h 57m

Louisville Intl

Mon 9/8

7:35 pm-9:19 pm

Nonstop1h 44m

$188

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Mon 9/1

8:19 am-10:05 am

Nonstop1h 46m

Louisville Intl

Mon 9/8

7:35 pm-9:19 pm

Nonstop1h 44m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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, January is the cheapest month in which you can book a flight from Pennsylvania to Louisville (average of $299). Flying from Pennsylvania to Louisville in April is currently the most expensive (average of $369). 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 August 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Louisville as you normally would.

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 August 16, 2025.

The most flights from USPA to SDF are scheduled on a Monday (7 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.

  • 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 $77 on Allegiant Air. Other airlines that offer cheap prices include Spirit Airlines from $79 and Southwest from $88 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 Piedmont Airlines (90%), American Airlines (83%) and PSA Airlines (75%).

  • What are the cheapest flights from Pennsylvania to Louisville?

    Looking for the cheapest flight from Pennsylvania to Louisville? While on average our users pay $503, our data indicates the cheapest price to be $360. The most popular route (Newark - Louisville Intl), is priced around $193.

  • 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, January is the cheapest month in which you can book a flight from Pennsylvania to Louisville (average of $299). Flying from Pennsylvania to Louisville in April is currently the most expensive (average of $369). 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$239FlexibilityNo cancel feeOn-time65%
DeltaCheapest$207Average$351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$214Average$422FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$391FlexibilityNo cancel feeOn-time63%

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