$87+ Cheap flights from Philadelphia to Louisville (PHL - 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SDF
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to Louisville Intl are usually found in May or June, booked 73 days in advance, depart on a Monday or Wednesday and return on a Saturday
Cheap flight deals from Philadelphia to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to LouisvilleExplore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Philadelphia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Thu 4/165:32 pm
PHL
- SDF
1 stop25h 26m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:56 pm
PHL
- SDF
1 stop17h 35m
Multiple Airlines
Mon 5/47:48 pm
SDF
- PHL
1 stop27h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/154:30 pm
PHL
- SDF
1 stop24h 34m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/226:12 pm
PHL
- SDF
1 stop22h 52m
Multiple Airlines
Mon 4/277:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 6/126:10 am
PHL
- SDF
1 stop14h 20m
Multiple Airlines
Mon 6/159:15 pm
SDF
- PHL
1 stop15h 46m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:10 am
PHL
- SDF
1 stop14h 10m
Multiple Airlines
Mon 6/89:10 pm
SDF
- PHL
1 stop26h 27m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
PHL
- SDF
1 stop11h 58m
Multiple Airlines
Mon 5/117:48 pm
SDF
- PHL
1 stop27h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:28 pm
PHL
- SDF
1 stop23h 36m
Multiple Airlines
Mon 5/187:48 pm
SDF
- PHL
1 stop27h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
PHL
- SDF
1 stop11h 19m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/67:10 pm
PHL
- SDF
2 stops18h 17m
Multiple Airlines
Fri 5/87:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$254
Best flights from Philadelphia to LouisvilleDiscover carefully curated flight deals from Philadelphia to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Philadelphia to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:00 pm
PHL
- SDF
1 stop6h 35m
Southwest
Sat 4/258:40 am
SDF
- PHL
1 stop6h 25m
Southwest
Deal found 3/9![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 3/8. 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 5/136:20 am
PHL
- SDF
2 stops8h 45m
Southwest
Mon 5/182:40 pm
SDF
- PHL
2 stops8h 25m
Southwest
Deal found 3/8![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 3/8. 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 5/139:10 am
PHL
- SDF
2 stops8h 00m
Southwest
Sun 5/175:40 pm
SDF
- PHL
1 stop6h 15m
Southwest
Deal found 3/8![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 3/6. 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 5/66:20 am
PHL
- SDF
2 stops8h 45m
Southwest
Fri 5/82:40 pm
SDF
- PHL
2 stops8h 05m
Southwest
Deal found 3/6![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 3/5. 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 4/48:35 am
PHL
- SDF
1 stop4h 25m
Southwest
Sat 4/115:35 am
SDF
- PHL
2 stops10h 10m
Southwest
Deal found 3/5![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 3/6. 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 6/221:50 pm
PHL
- SDF
2 stops8h 35m
Southwest
Wed 6/248:45 am
SDF
- PHL
2 stops8h 15m
Southwest
Deal found 3/6![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:20 pm
PHL
- SDF
2 stops8h 40m
Southwest
Sun 5/173:50 pm
SDF
- PHL
2 stops7h 35m
Southwest
Deal found 3/9![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 3/6. 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.
Thu 4/166:10 am
PHL
- SDF
2 stops8h 50m
Southwest
Sun 4/197:00 am
SDF
- PHL
2 stops6h 25m
Southwest
Deal found 3/6![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 3/7. 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 6/126:05 am
PHL
- SDF
2 stops8h 50m
Southwest
Mon 6/153:35 pm
SDF
- PHL
2 stops8h 40m
Southwest
Deal found 3/7![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 3/5. 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.
Thu 5/212:15 pm
PHL
- SDF
1 stop6h 45m
Southwest
Mon 5/255:25 pm
SDF
- PHL
1 stop5h 20m
Southwest
Deal found 3/5![Southwest logo]()
$443
Last-minute flights from Philadelphia to LouisvilleDiscover last-minute flight deals from Philadelphia to Louisville. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Louisville. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:28 pm
PHL
- SDF
1 stop18h 19m
Multiple Airlines
Thu 3/263:33 pm
SDF
- PHL
1 stop7h 26m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 4/136:08 pm
PHL
- SDF
1 stop17h 39m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/154:30 pm
PHL
- SDF
1 stop24h 34m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Thu 4/165:32 pm
PHL
- SDF
1 stop25h 26m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/177:05 am
PHL
- SDF
1 stop11h 53m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
PHL
- SDF
1 stop11h 19m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/226:12 pm
PHL
- SDF
1 stop22h 52m
Multiple Airlines
Mon 4/277:48 pm
SDF
- PHL
1 stop14h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:56 pm
PHL
- SDF
1 stop17h 35m
Multiple Airlines
Mon 5/47:48 pm
SDF
- PHL
1 stop27h 22m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$235
One-way flights from Philadelphia to LouisvilleSearch for one-way flight options from Philadelphia to Louisville. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Philadelphia to Louisville. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 6/212:25 pm
PHL
- SDF
1 stop23h 05m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:10 am
PHL
- SDF
1 stop29h 20m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 6/56:10 am
PHL
- SDF
1 stop14h 10m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Thu 4/165:32 pm
PHL
- SDF
1 stop25h 26m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 am
PHL
- SDF
1 stop11h 19m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/78:55 pm
PHL
- SDF
1 stop14h 19m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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.
Thu 5/75:45 am
PHL
- SDF
1 stop11h 19m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Thu 5/76:12 pm
PHL
- SDF
1 stop24h 46m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/65:28 pm
PHL
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/154:30 pm
PHL
- SDF
1 stop24h 34m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$130
Find flight deals from Philadelphia to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Louisville (SDF). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (Kiwi.com) |
One-way from | $87 (Kiwi.com) |
Popular in | October |
Cheapest in | May |
Average price | $563 |
Good round-trip deal | $513 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 March 10, 2026.
Use the filters below to find and compare flights from Philadelphia to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 4/22
2:00 pm-8:35 pm
1 stop6h 35m
Louisville Intl
Sat 4/25
8:40 am-3:05 pm
1 stop6h 25m
$349
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 5/13
6:20 am-3:05 pm
2 stops8h 45m
Louisville Intl
Mon 5/18
2:40 pm-11:05 pm
2 stops8h 25m
$366
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 5/13
9:10 am-5:10 pm
2 stops8h 00m
Louisville Intl
Sun 5/17
5:40 pm-11:55 pm
1 stop6h 15m
$385
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 5/6
6:20 am-3:05 pm
2 stops8h 45m
Louisville Intl
Fri 5/8
2:40 pm-10:45 pm
2 stops8h 05m
$397
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Sat 4/4
8:35 am-1:00 pm
1 stop4h 25m
Louisville Intl
Sat 4/11
5:35 am-3:45 pm
2 stops10h 10m
$417
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Mon 6/22
1:50 pm-10:25 pm
2 stops8h 35m
Louisville Intl
Wed 6/24
8:45 am-5:00 pm
2 stops8h 15m
$427
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Fri 5/15
12:20 pm-9:00 pm
2 stops8h 40m
Louisville Intl
Sun 5/17
3:50 pm-11:25 pm
2 stops7h 35m
$427
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Thu 4/16
6:10 am-3:00 pm
2 stops8h 50m
Louisville Intl
Sun 4/19
7:00 am-1:25 pm
2 stops6h 25m
$439
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Fri 6/12
6:05 am-2:55 pm
2 stops8h 50m
Louisville Intl
Mon 6/15
3:35 pm-12:15 am
2 stops8h 40m
$439
Quickest round-trip
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Thu 5/21
2:15 pm-9:00 pm
1 stop6h 45m
Louisville Intl
Mon 5/25
5:25 pm-10:45 pm
1 stop5h 20m
$443
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Louisville
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 Philadelphia to Louisville in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Louisville 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 Philadelphia-Louisville 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 Philadelphia to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Philadelphia with our price prediction graph.
PHL-SDF
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 Philadelphia to Louisville
Prices
Airlines
How far ahead should I book a flight from Philadelphia to Louisville?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Louisville. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Philadelphia to Louisville, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to Louisville?
Currently, June is the cheapest month in which you can book a flight from Philadelphia to Louisville (average of $60). Flying from Philadelphia to Louisville in September is currently the most expensive (average of $150). 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 PHL to SDF?
Find hourly flight availability from Philadelphia 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 March 10, 2026.
It’s typically best to fly out from Philadelphia to Louisville at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Philadelphia to Louisville?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Louisville. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Philadelphia to Louisville flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Philadelphia to Louisville, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown
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Top 4 airlines flying from Philadelphia to Louisville
Discover the top 4 airlines that operate flights from Philadelphia 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$224 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$189 | Average$356 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$517 | FlexibilityNo cancel fee | On-time71% |