$198+ Cheap flights from Puerto Rico to Louisville (SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Dec 10 — Dec 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Puerto Rico 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.Cheap flight deals from Puerto Rico to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Puerto Rico to LouisvilleExplore the most affordable flight options available from Puerto Rico to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Puerto Rico to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/36:25 am -
2 stops15h 04m
Sun 12/69:09 pm -
1 stop15h 15m
Deal found 11/10![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Thu 11/2611:13 am -
2 stops23h 32m
Sat 12/55:12 pm -
1 stop29h 14m
Deal found 11/7![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/2611:13 am -
2 stops23h 32m
Sun 12/69:09 pm -
1 stop15h 15m
Deal found 11/10![Multiple Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:30 pm -
2 stops10h 45m
Sun 12/65:40 am -
2 stops11h 10m
Deal found 11/10![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:05 am -
2 stops12h 13m
Wed 1/61:41 pm -
1 stop9h 55m
Deal found 11/9![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:36 pm -
2 stops9h 39m
Tue 12/297:44 am -
1 stop14h 25m
Deal found 11/10![American Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/127:00 am -
2 stops14h 29m
Mon 11/166:53 pm -
1 stop19h 26m
Deal found 11/6![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Wed 11/2511:13 am -
2 stops48h 46m
Sat 12/55:12 pm -
1 stop29h 14m
Deal found 11/7![Multiple Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Sat 12/510:25 am -
2 stops12h 32m
Deal found 11/10![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Tue 12/110:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Wed 12/210:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Fri 12/42:05 pm -
1 stop8h 52m
Deal found 11/10![United Airlines logo]()
$560
Best flights from Puerto Rico to LouisvilleDiscover carefully curated flight deals from Puerto Rico to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Puerto Rico to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Southwest deal was found by Cheapflights users on 11/8. 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.
Fri 5/76:00 am -
1 stop6h 15m
Mon 5/107:00 am -
1 stop7h 50m
Deal found 11/8![Southwest logo]()
$426
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:32 am -
1 stop14h 27m
Sun 12/611:44 am -
1 stop11h 27m
Deal found 11/7![American Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:05 am -
2 stops12h 13m
Wed 1/610:20 am -
2 stops11h 02m
Deal found 11/9![United Airlines logo]()
$504
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:30 pm -
2 stops10h 45m
Sun 12/65:40 am -
2 stops11h 10m
Deal found 11/10![Southwest logo]()
$426
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:23 am -
1 stop11h 29m
Mon 11/307:30 am -
1 stop15h 27m
Deal found 11/5![American Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Tue 12/810:25 am -
2 stops12h 32m
Deal found 11/9![United Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 11/9. 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.
Sat 2/276:05 am -
1 stop10h 30m
Sat 3/65:10 am -
1 stop12h 55m
Deal found 11/9![Southwest logo]()
$462
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:05 am -
1 stop17h 36m
Tue 12/17:30 am -
1 stop15h 27m
Deal found 11/7![American Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Fri 12/410:25 am -
2 stops12h 32m
Deal found 11/10![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Sat 12/510:25 am -
2 stops12h 32m
Deal found 11/10![United Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:45 am -
1 stop15h 56m
Sun 12/66:03 am -
1 stop15h 32m
Deal found 11/7![American Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:05 pm -
1 stop7h 25m
Mon 12/286:30 pm -
1 stop6h 15m
Deal found 11/10![Southwest logo]()
$522
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Wed 12/210:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Sat 12/1210:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
3 stops14h 38m
Mon 12/710:25 am -
2 stops12h 32m
Deal found 11/8![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Thu 12/32:05 pm -
1 stop8h 52m
Deal found 11/10![United Airlines logo]()
$663
Last-minute flights from Puerto Rico to LouisvilleDiscover last-minute flight deals from Puerto Rico to Louisville. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Louisville. Data last updated November 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/127:00 am -
2 stops14h 29m
Mon 11/166:53 pm -
1 stop19h 26m
Deal found 11/6![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Wed 11/2511:13 am -
2 stops48h 46m
Sat 12/55:12 pm -
1 stop29h 14m
Deal found 11/7![Multiple Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Sat 12/510:25 am -
2 stops12h 32m
Deal found 11/10![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Tue 12/110:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Wed 12/210:25 am -
2 stops12h 32m
Deal found 11/7![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Fri 12/42:05 pm -
1 stop8h 52m
Deal found 11/10![United Airlines logo]()
$560
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Thu 11/2611:13 am -
2 stops23h 32m
Sat 12/55:12 pm -
1 stop29h 14m
Deal found 11/7![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/2611:13 am -
2 stops23h 32m
Sun 12/69:09 pm -
1 stop15h 15m
Deal found 11/10![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/36:25 am -
2 stops15h 04m
Sun 12/69:09 pm -
1 stop15h 15m
Deal found 11/10![Multiple Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:30 pm -
2 stops10h 45m
Sun 12/65:40 am -
2 stops11h 10m
Deal found 11/10![Southwest logo]()
$426
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:36 pm -
2 stops9h 39m
Tue 12/297:44 am -
1 stop14h 25m
Deal found 11/10![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:05 am -
2 stops12h 13m
Wed 1/61:41 pm -
1 stop9h 55m
Deal found 11/9![United Airlines logo]()
$441
One-way flights from Puerto Rico to LouisvilleSearch for one-way flight options from Puerto Rico to Louisville. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Puerto Rico to Louisville. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sat 1/309:14 pm -
2 stops37h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/95:35 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Southwest logo]()
$213
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:15 am -
1 stop14h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![American Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/282:05 am -
2 stops12h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![United Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Mon 12/289:48 pm -
2 stops36h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/288:08 am -
1 stop16h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![American Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 1/63:30 am -
3 stops17h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:20 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 am -
2 stops13h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/253:47 am -
3 stops39h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$392
Find flight deals from Puerto Rico to Louisville
Keep the following information in mind while searching for Puerto Rico to Louisville flight deals. Data was last updated November 10, 2026.
Round-trip from | $317 (Kiwi.com) |
|---|---|
One-way from | $198 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $493 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from Puerto Rico to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Mon 12/28
2:05 am-1:18 pm
2 stops12h 13m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$250
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Mon 12/28
8:08 am-11:14 pm
1 stop16h 06m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Tue 3/9
1:57 pm-4:58 pm
3 stops28h 01m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Tue 12/29
7:00 am-11:01 pm
1 stop17h 01m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
Quickest round-trip
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 11/18
3:20 pm-9:13 pm
1 stop6h 53m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$288
AguadillaLouisville
BQN Aguadilla Borinquen - SDF Louisville Intl
BQNSDF
Aguadilla Borinquen
Wed 11/25
1:09 am-1:18 pm
2 stops13h 09m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$288
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 1/6
3:43 am-7:51 pm
2 stops41h 08m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$290
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Mon 12/28
9:48 pm-10:06 am
2 stops37h 18m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$295
San JuanLouisville
SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 11/18
2:44 pm-11:38 pm
2 stops9h 54m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$300
AguadillaLouisville
BQN Aguadilla Borinquen - SDF Louisville Intl
BQNSDF
Aguadilla Borinquen
Wed 11/25
3:47 am-6:14 pm
3 stops39h 27m
Louisville Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$392
Showing 1-10 of 27 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Puerto Rico with our price prediction graph.
SJU-SDF
BQN-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 Puerto Rico to Louisville
PR0-SDF
SJU-SDF
BQN-SDF
What is the cheapest month to book a flight from Puerto Rico to Louisville?
Currently, February is the cheapest month in which you can book a flight from Puerto Rico to Louisville (average of $250). Flying from Puerto Rico to Louisville in June is currently the most expensive (average of $544). 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.
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 November 10, 2026.
Read through reviews of airlines operating flights from Puerto Rico 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.
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico 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
Elizabethtown
Jeffersonville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Louisville flight routes
Other flight options
Popular flights
Alternative routes for Puerto Rico to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Louisville by cabin class
Find flights from Puerto Rico to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Puerto Rico and Louisville flights
Browse other Puerto Rico and Louisville flight options. Last updated on November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Puerto Rico to Louisville
Discover the top 3 airlines that operate flights from Puerto Rico 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$428 | FlexibilityNo cancel fee | On-time63% |