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$98+ Cheap flights from Louisville to Philadelphia (SDF - PHL)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Philadelphia are usually found in June or August, booked 75 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap flight deals from Louisville to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$159
(Cheapflightsfares)

One-way from

$98
(Mytrip)

Popular in

October

Cheapest in

June

Average price

$378

Good round-trip deal

$356 or less

Good one-way deal

$234 or less
From Louisville Intl to Philadelphia
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One-way flight from Louisville Intl to Philadelphia
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Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Louisville Intl to Philadelphia.
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Price to beat on a one-way flight from Louisville Intl to Philadelphia.
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Find flight deals from Louisville to Philadelphia

Cheapest flights from Louisville to Philadelphia
Explore the most affordable flight options available from Louisville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2512:00 pmSDF - PHL
1 stop10h 42mSpirit Airlines
vie. 9/265:45 amPHL - SDF
1 stop5h 08mSpirit Airlines
Deal found 6/11$159
This Mytrip deal was found by Cheapflights users on 6/10. 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.
vie. 7/252:50 pmSDF - PHL
1 stop7h 36mMultiple Airlines
lun. 8/47:05 pmPHL - SDF
1 stop14h 02mMultiple Airlines
Deal found 6/10$227
This Southwest deal was found by Cheapflights users on 6/11. 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.
jue. 8/145:30 amSDF - PHL
2 stops7h 45mSouthwest
mar. 8/193:20 pmPHL - SDF
1 stop7h 20mSouthwest
Deal found 6/11$331
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 7/287:40 amSDF - PHL
Nonstop2h 00mAmerican Airlines
mar. 8/126:00 amPHL - SDF
1 stop8h 15mAmerican Airlines
Deal found 6/11$376
This United Airlines deal was found by Cheapflights users on 6/9. 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.
jue. 8/148:40 amSDF - PHL
2 stops14h 34mUnited Airlines
lun. 8/186:52 pmPHL - SDF
1 stop15h 10mUnited Airlines
Deal found 6/9$448
This Delta deal was found by Cheapflights users on 6/12. 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.
sáb. 10/115:45 pmSDF - PHL
1 stop6h 38mDelta
lun. 10/138:25 amPHL - SDF
1 stop5h 24mDelta
Deal found 6/12$464

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Louisville to Philadelphia that are best for you.

Fly from

Louisville

Fly to

Philadelphia

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

lun. 8/25

12:00 pm-10:42 pm

1 stop10h 42m

Philadelphia

vie. 9/26

5:45 am-10:53 am

1 stop5h 08m

$159

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

vie. 7/25

2:50 pm-10:26 pm

1 stop7h 36m

Philadelphia

lun. 8/4

7:05 pm-9:07 am

1 stop14h 02m

$227

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

jue. 8/14

5:30 am-1:15 pm

2 stops7h 45m

Philadelphia

mar. 8/19

3:20 pm-10:40 pm

1 stop7h 20m

$331

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

lun. 7/28

7:40 am-9:40 am

Nonstop2h 00m

Philadelphia

mar. 8/12

6:00 am-2:15 pm

1 stop8h 15m

$376

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

jue. 8/14

8:40 am-11:14 pm

2 stops14h 34m

Philadelphia

lun. 8/18

6:52 pm-10:02 am

1 stop15h 10m

$448

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

sáb. 10/11

5:45 pm-12:23 am

1 stop6h 38m

Philadelphia

lun. 10/13

8:25 am-1:49 pm

1 stop5h 24m

$464

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

mié. 7/9

9:46 am-4:16 pm

1 stop6h 30m

$98

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

vie. 6/27

1:57 pm-5:12 pm

1 stop27h 15m

$101

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

jue. 7/10

7:40 am-9:40 am

Nonstop2h 00m

$329

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

vie. 6/27

8:40 am-11:14 pm

2 stops14h 34m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Louisville to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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 Philadelphia

How far ahead should I book a flight from Louisville to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Philadelphia. Price data was last updated on June 9, 2025.

The best time to book flights from Louisville to Philadelphia is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Louisville to Philadelphia (average of $236). Flying from Louisville to Philadelphia in March is currently the most expensive (average of $295). 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 PHL?

Find hourly flight availability from Louisville to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 69% on flights from Louisville to Philadelphia by exploring options for tickets in the evening.

Weekly flight availability from Louisville to Philadelphia

Explore weekly flight availability from Louisville to Philadelphia. 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 junio 12, 2025.

The most flights from SDF to PHL are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Louisville to Philadelphia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • What airports do I use to fly from Louisville to Philadelphia?

    Philadelphia is the airport most travelers will use when flying to Philadelphia from Louisville Intl. Booking flights from Louisville Intl (SDF) to Philadelphia (PHL) should be relatively easy as there are 8 daily flights to Philadelphia from 4 different airlines. 1h 57m is how long a flight from Louisville to Philadelphia will take if you book a nonstop flight.

  • How popular is this Louisville to Philadelphia flight route?

    The Louisville Intl to Philadelphia flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Louisville to Philadelphia round-trip?

    Cheapflights users have booked flights from Louisville to Philadelphia round-trip from $159. Other airlines that can offer you cheap pricing are Southwest, from $331, and American Airlines, from $376. Spirit Airlines is 64% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Louisville to Philadelphia for a low price.

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

    Consider Qatar Airways (95%), Piedmont Airlines (91%) or Aer Lingus (87%) when booking your flight. These represent the most reliable airlines when flying from Louisville to Philadelphia.

  • What are the cheapest flights from Louisville to Philadelphia?

    Looking for the cheapest flight from Louisville to Philadelphia? While on average our users pay $512, our data indicates the cheapest price to be $135. The most popular route (Louisville Intl - Philadelphia), is priced around $159.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Louisville to Philadelphia (average of $236). Flying from Louisville to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
Pottstown
King of Prussia
Cherry Hill
Exton
Ocean City
Chester
Essington
Reading
Newark
Middletown
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Louisville to Philadelphia

Discover the top 4 airlines that operate flights from Louisville to Philadelphia. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$155Average$238FlexibilityNo cancel feeOn-time65%
DeltaCheapest$226Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$364Average$468FlexibilityNo cancel feeOn-time63%

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