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$91+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Philadelphia are usually found in August or February, booked 16 days in advance, depart on a Thursday or Monday and return on a Monday

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Mytrip)

One-way from

$91
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$457

Good round-trip deal

$344 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Louisville Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Philadelphia flights.
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From Louisville Intl to Philadelphia
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One-way flight from Louisville Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
Tue 4/225:45 amSDF - PHL
1 stop27h 16mSpirit Airlines
Tue 4/2911:53 amPHL - SDF
1 stop25h 06mSpirit Airlines
Deal found 3/25$180
This Mytrip deal was found by Cheapflights users on 3/25. 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 5/1612:00 pmSDF - PHL
1 stop5h 57mMultiple Airlines
Sun 5/256:00 amPHL - SDF
1 stop9h 03mMultiple Airlines
Deal found 3/25$224
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 4/1911:03 amSDF - PHL
Nonstop1h 59mAmerican Airlines
Sun 4/207:15 pmPHL - SDF
Nonstop2h 24mAmerican Airlines
Deal found 3/23$298
This Delta deal was found by Cheapflights users on 3/23. 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.
Sat 4/196:00 amSDF - PHL
1 stop4h 24mDelta
Sun 4/208:05 amPHL - SDF
1 stop5h 41mDelta
Deal found 3/23$317
This Southwest deal was found by Cheapflights users on 3/25. 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.
Fri 5/3012:05 pmSDF - PHL
2 stops10h 10mSouthwest
Mon 6/25:25 amPHL - SDF
2 stops10h 50mSouthwest
Deal found 3/25$373
This United Airlines deal was found by Cheapflights users on 3/25. 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 3/276:00 amSDF - PHL
1 stop3h 51mUnited Airlines
Sun 3/306:15 amPHL - SDF
1 stop4h 04mUnited Airlines
Deal found 3/25$389

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 March 26, 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

Tue 4/22

5:45 am-9:01 am

1 stop27h 16m

Philadelphia

Tue 4/29

11:53 am-12:59 pm

1 stop25h 06m

$180

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/16

12:00 pm-5:57 pm

1 stop5h 57m

Philadelphia

Sun 5/25

6:00 am-3:03 pm

1 stop9h 03m

$224

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 4/19

11:03 am-1:02 pm

Nonstop1h 59m

Philadelphia

Sun 4/20

7:15 pm-9:39 pm

Nonstop2h 24m

$298

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 4/19

6:00 am-10:24 am

1 stop4h 24m

Philadelphia

Sun 4/20

8:05 am-1:46 pm

1 stop5h 41m

$317

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/30

12:05 pm-10:15 pm

2 stops10h 10m

Philadelphia

Mon 6/2

5:25 am-4:15 pm

2 stops10h 50m

$373

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 5/28

8:55 am-11:29 pm

2 stops14h 34m

Philadelphia

Mon 6/2

6:15 am-10:16 am

1 stop4h 01m

$430

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 4/16

5:45 am-9:01 am

1 stop27h 16m

$91

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 5/31

7:25 am-9:22 am

Nonstop1h 57m

$149

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 4/24

7:00 am-12:19 pm

1 stop5h 19m

$164

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 5/31

6:40 am-5:40 pm

2 stops11h 00m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Louisville to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 2025.

The best time to book flights from Louisville to Philadelphia is 16 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 March 26, 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.

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 March 26, 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
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,878 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 5 daily flights to Philadelphia from 5 different airlines. 1h 59m 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 11 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 $180. Other airlines that can offer you cheap pricing are American Airlines, from $298, and Delta, from $317. Spirit Airlines is 60% 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 $91. However, be on the lookout for offers from American Airlines and Delta, 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 Aer Lingus (88%), Alaska Airlines (86%) or American Airlines (84%) 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 $427, our data indicates the cheapest price to be $133. The most popular route (Louisville Intl - Philadelphia), is priced around $193.

  • 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
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Newark
Middletown
Willow Grove
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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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 5 airlines flying from Louisville to Philadelphia

Discover the top 5 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$154Average$211FlexibilityNo cancel feeOn-time65%
DeltaCheapest$248Average$372FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$285Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$301Average$465FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$364Average$503FlexibilityNo cancel feeOn-time63%
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