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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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Philadelphia are usually found in August or May, 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$187
(Booking.com)

One-way from

$91
(Mytrip)

Popular in

October

Cheapest in

August

Average price

$480

Good round-trip deal

$334 or less

Good one-way deal

$213 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 Philadelphia
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One-way flight from Louisville Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 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 April 2025
Search Deals
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 April 15, 2025.

This Booking.com deal was found by Cheapflights users on 4/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:25 pmSDF - PHL
1 stop13h 23mSpirit Airlines
Mon 5/267:12 pmPHL - SDF
1 stop16h 51mSpirit Airlines
Deal found 4/13$187
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1612:07 pmSDF - PHL
1 stop5h 20mMultiple Airlines
Sun 5/187:06 amPHL - SDF
2 stops31h 19mMultiple Airlines
Deal found 4/15$210
This American Airlines deal was found by Cheapflights users on 4/13. 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 4/167:30 amSDF - PHL
Nonstop1h 59mAmerican Airlines
Wed 4/1611:07 amPHL - SDF
1 stop9h 13mAmerican Airlines
Deal found 4/13$245
This Southwest deal was found by Cheapflights users on 4/15. 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.
Wed 7/96:30 amSDF - PHL
1 stop6h 20mSouthwest
Wed 7/165:55 amPHL - SDF
1 stop6h 15mSouthwest
Deal found 4/15$327
This Delta deal was found by Cheapflights users on 4/14. 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.
Thu 10/97:20 amSDF - PHL
1 stop4h 31mDelta
Sun 10/126:00 amPHL - SDF
1 stop3h 54mDelta
Deal found 4/14$397
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:00 amSDF - PHL
1 stop17h 45mUnited Airlines
Mon 6/27:59 pmPHL - SDF
2 stops17h 03mUnited Airlines
Deal found 4/15$469

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 April 15, 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

Sat 5/24

6:25 pm-7:48 am

1 stop13h 23m

Philadelphia

Mon 5/26

7:12 pm-12:03 pm

1 stop16h 51m

$187

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/16

12:07 pm-5:27 pm

1 stop5h 20m

Philadelphia

Sun 5/18

7:06 am-2:25 pm

2 stops31h 19m

$210

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/2

7:51 am-5:07 pm

1 stop9h 16m

Philadelphia

Fri 5/2

7:15 pm-9:39 pm

Nonstop2h 24m

$266

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 7/9

6:30 am-12:50 pm

1 stop6h 20m

Philadelphia

Wed 7/16

5:55 am-12:10 pm

1 stop6h 15m

$327

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 6/12

9:25 am-4:06 pm

1 stop6h 41m

Philadelphia

Sun 6/15

6:00 am-9:49 am

1 stop3h 49m

$397

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 5/29

7:00 am-12:45 am

1 stop17h 45m

Philadelphia

Mon 6/2

7:59 pm-1:02 pm

2 stops17h 03m

$469

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 5/15

11:23 am-7:48 am

1 stop20h 25m

$91

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 4/28

6:19 pm-9:12 pm

1 stop26h 53m

$100

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sun 5/11

5:59 pm-12:57 am

1 stop6h 58m

$132

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 5/29

12:05 pm-10:15 pm

2 stops10h 10m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 12 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams the most. eDreams 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 April 11, 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 April 15, 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 April 15, 2025.

The most flights from SDF to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 April 15, 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
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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
7,918 reviews
Southwest
8.0
Very good
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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
8,658 reviews
Southwest
8.0
Very good
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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
8.0
Very good
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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
7,921 reviews
Southwest
8.0
Very good
4,279 reviews

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

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 7 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 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 $187. Other airlines that can offer you cheap pricing are American Airlines, from $266, and Southwest, from $327. Spirit Airlines is 59% 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 Delta and Southwest, 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 (91%), Alaska Airlines (89%) or American Airlines (79%) 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 $399, our data indicates the cheapest price to be $143. The most popular route (Louisville Intl - Philadelphia), is priced around $177.

  • 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
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
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 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$154Average$217FlexibilityNo cancel feeOn-time65%
DeltaCheapest$248Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$289Average$487FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$364Average$485FlexibilityNo cancel feeOn-time63%

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