$88+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SDF
Mar 16 — Mar 231
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
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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 February 14, 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 February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 5/75:28 pm
PHL
- SDF
1 stop25h 30m
Multiple Airlines
Wed 5/1312:33 pm
SDF
- PHL
1 stop19h 08m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:06 am
PHL
- SDF
1 stop6h 32m
Spirit Airlines
Wed 3/41:19 pm
SDF
- PHL
1 stop5h 32m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:59 pm
PHL
- SDF
1 stop24h 59m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop12h 52m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
PHL
- SDF
1 stop19h 00m
Multiple Airlines
Sat 2/2812:00 pm
SDF
- PHL
1 stop12h 21m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$220
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:00 am
PHL
- SDF
1 stop6h 14m
Spirit Airlines
Wed 3/1812:09 pm
SDF
- PHL
1 stop10h 43m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
PHL
- SDF
1 stop19h 00m
Multiple Airlines
Mon 3/29:30 am
SDF
- PHL
1 stop24h 23m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:45 am
PHL
- SDF
2 stops13h 13m
Multiple Airlines
Mon 4/207:48 pm
SDF
- PHL
1 stop12h 52m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 5/75:28 pm
PHL
- SDF
1 stop25h 30m
Multiple Airlines
Thu 5/142:27 pm
SDF
- PHL
2 stops41h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/165:00 am
PHL
- SDF
1 stop6h 14m
Multiple Airlines
Mon 3/239:13 pm
SDF
- PHL
1 stop11h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$230
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 February 14, 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 February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/165:00 am
PHL
- SDF
1 stop6h 14m
Multiple Airlines
Mon 3/239:13 pm
SDF
- PHL
1 stop11h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$230
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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.
Wed 5/136:00 am
PHL
- SDF
1 stop5h 38m
Spirit Airlines
Sun 5/173:33 pm
SDF
- PHL
1 stop8h 26m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:45 pm
PHL
- SDF
1 stop4h 25m
Southwest
Wed 2/2511:50 am
SDF
- PHL
1 stop5h 35m
Southwest
Deal found 2/12![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 2/196:00 am
PHL
- SDF
1 stop26h 40m
Multiple Airlines
Wed 2/251:19 pm
SDF
- PHL
1 stop22h 22m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:40 am
PHL
- SDF
1 stop6h 35m
Southwest
Thu 2/196:25 am
SDF
- PHL
1 stop6h 10m
Southwest
Deal found 2/12![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:30 am
PHL
- SDF
1 stop6h 51m
Spirit Airlines
Tue 3/103:33 pm
SDF
- PHL
1 stop17h 11m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 2/276:15 am
PHL
- SDF
1 stop28h 50m
Multiple Airlines
Sun 3/12:26 pm
SDF
- PHL
1 stop9h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:15 pm
PHL
- SDF
1 stop6h 45m
Southwest
Wed 4/224:40 pm
SDF
- PHL
1 stop5h 20m
Southwest
Deal found 2/12![Southwest logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:30 am
PHL
- SDF
1 stop6h 51m
Spirit Airlines
Thu 3/123:33 pm
SDF
- PHL
1 stop8h 23m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 4/237:00 am
PHL
- SDF
1 stop7h 27m
Multiple Airlines
Sat 4/258:31 pm
SDF
- PHL
1 stop11h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:28 pm
PHL
- SDF
2 stops18h 10m
Multiple Airlines
Thu 2/262:26 pm
SDF
- PHL
1 stop9h 18m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$346
Last-minute flights from Philadelphia to LouisvilleDiscover last-minute flight deals from Philadelphia to Louisville. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Louisville. Data last updated February 14, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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.
Tue 2/246:00 am
PHL
- SDF
1 stop8h 38m
Spirit Airlines
Thu 2/263:33 pm
SDF
- PHL
1 stop8h 17m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
PHL
- SDF
1 stop19h 00m
Multiple Airlines
Sat 2/2812:00 pm
SDF
- PHL
1 stop12h 21m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
PHL
- SDF
1 stop19h 00m
Multiple Airlines
Mon 3/29:30 am
SDF
- PHL
1 stop24h 23m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:05 pm
PHL
- SDF
1 stop14h 35m
Multiple Airlines
Wed 3/41:19 pm
SDF
- PHL
1 stop8h 49m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sun 3/16:05 pm
PHL
- SDF
1 stop14h 35m
Multiple Airlines
Tue 3/33:33 pm
SDF
- PHL
1 stop18h 20m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:06 am
PHL
- SDF
1 stop6h 32m
Spirit Airlines
Wed 3/41:19 pm
SDF
- PHL
1 stop5h 32m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:26 pm
PHL
- SDF
1 stop15h 14m
Multiple Airlines
Wed 3/111:19 pm
SDF
- PHL
1 stop8h 56m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 2/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
PHL
- SDF
1 stop8h 38m
Spirit Airlines
Tue 3/1712:42 pm
SDF
- PHL
1 stop11h 14m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/1112:04 pm
PHL
- SDF
1 stop25h 22m
Multiple Airlines
Wed 3/1812:09 pm
SDF
- PHL
1 stop10h 43m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:00 am
PHL
- SDF
1 stop6h 14m
Spirit Airlines
Wed 3/1812:09 pm
SDF
- PHL
1 stop10h 43m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/165:00 am
PHL
- SDF
1 stop6h 14m
Multiple Airlines
Mon 3/239:13 pm
SDF
- PHL
1 stop11h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$230
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 February 14, 2026.
Search for one-way flight options from Philadelphia to Louisville. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 am
PHL
- SDF
1 stop11h 58m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:28 pm
PHL
- SDF
1 stop25h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$94
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:06 am
PHL
- SDF
1 stop6h 32m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:00 am
PHL
- SDF
1 stop6h 14m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:29 pm
PHL
- SDF
1 stop18h 12m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:23 pm
PHL
- SDF
1 stop13h 58m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:08 pm
PHL
- SDF
1 stop15h 32m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:00 am
PHL
- SDF
1 stop6h 14m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:46 pm
PHL
- SDF
1 stop6h 50m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:04 pm
PHL
- SDF
1 stop25h 22m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$125
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 February 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Kiwi.com) |
One-way from | $88 (Kiwi.com) |
Popular in | October |
Cheapest in | May |
Average price | $563 |
Good round-trip deal | $494 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 February 14, 2026.
Use the filters below to find and compare flights from Philadelphia to Louisville that are best for you.
Fly from
Philadelphia
Fly to
Louisville
Route
Depart
Return
Price
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Mon 3/16
5:00 am-11:14 am
1 stop6h 14m
Louisville Intl
Mon 3/23
9:13 pm-8:39 am
1 stop11h 26m
$230
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Thu 2/19
6:00 am-8:40 am
1 stop26h 40m
Louisville Intl
Wed 2/25
1:19 pm-11:41 am
1 stop22h 22m
$260
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 5/13
6:00 am-11:38 am
1 stop5h 38m
Louisville Intl
Sun 5/17
3:33 pm-11:59 pm
1 stop8h 26m
$281
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Tue 2/24
5:45 pm-10:10 pm
1 stop4h 25m
Louisville Intl
Wed 2/25
11:50 am-5:25 pm
1 stop5h 35m
$298
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Wed 2/18
5:40 am-12:15 pm
1 stop6h 35m
Louisville Intl
Thu 2/19
6:25 am-12:35 pm
1 stop6h 10m
$298
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Fri 2/27
6:15 am-11:05 am
1 stop28h 50m
Louisville Intl
Sun 3/1
2:26 pm-12:25 am
1 stop9h 59m
$322
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Fri 3/6
5:30 am-12:21 pm
1 stop6h 51m
Louisville Intl
Tue 3/10
3:33 pm-8:44 am
1 stop17h 11m
$329
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Thu 4/23
7:00 am-2:27 pm
1 stop7h 27m
Louisville Intl
Sat 4/25
8:31 pm-7:41 am
1 stop11h 10m
$341
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Mon 4/20
2:15 pm-9:00 pm
1 stop6h 45m
Louisville Intl
Wed 4/22
4:40 pm-10:00 pm
1 stop5h 20m
$346
PhiladelphiaLouisville
PHL - SDF
PHLSDF
Philadelphia
Mon 2/23
8:28 pm-2:38 pm
2 stops18h 10m
Louisville Intl
Thu 2/26
2:26 pm-11:44 pm
1 stop9h 18m
$346
Showing 1-10 of 22 results
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 February.
| 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 February 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 $152). 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 February 14, 2026.
It’s typically best to fly out from Philadelphia to Louisville at noon. Doing so could potentially save you 9% on the flight price compared to flying in the evening, 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 7, 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 February 14, 2026.
Read through reviews of airlines operating flights from Philadelphia to Louisville, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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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Other flights to Louisville
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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 February 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$224 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$189 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$527 | FlexibilityNo cancel fee | On-time71% |