$192+ Cheap flights from Louisville (SDF) to Puerto Rico
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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Puerto Rico 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 Louisville to Puerto Rico
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Cheapest flights from Louisville to Puerto RicoExplore the most affordable flight options available from Louisville to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Louisville to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/226:00 am -
1 stop29h 06m
Deal found 10/23![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:09 pm -
2 stops26h 58m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:12 pm -
2 stops50h 25m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:25 am -
2 stops33h 12m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:08 pm -
1 stop19h 11m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/23![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Fri 11/133:55 pm -
2 stops24h 31m
Deal found 10/25![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/55:12 pm -
1 stop29h 14m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/22![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:10 pm -
1 stop18h 41m
Wed 12/910:03 pm -
2 stops38h 45m
Deal found 10/23![Multiple Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/31:45 pm -
1 stop9h 12m
Mon 11/161:09 am -
2 stops13h 26m
Deal found 10/21![United Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:45 pm -
1 stop9h 12m
Fri 11/131:09 am -
2 stops13h 28m
Deal found 10/25![United Airlines logo]()
$556
Best flights from Louisville to Puerto RicoDiscover carefully curated flight deals from Louisville to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Louisville to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 2/277:03 am -
1 stop8h 33m
Fri 3/52:05 am -
2 stops12h 18m
Deal found 10/24![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 10/20. 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 11/911:50 am -
1 stop10h 10m
Sat 11/145:40 am -
1 stop11h 20m
Deal found 10/20![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:45 am -
2 stops11h 39m
Sat 1/168:05 am -
2 stops11h 24m
Deal found 10/22![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 10/21. 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 1/308:00 am -
2 stops9h 00m
Mon 2/82:45 pm -
2 stops10h 10m
Deal found 10/21![Southwest logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 12/122:05 pm -
1 stop9h 31m
Tue 12/157:40 am -
2 stops14h 20m
Deal found 10/22![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 1/127:00 am -
2 stops13h 24m
Wed 1/208:05 am -
2 stops11h 24m
Deal found 10/24![United Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/262:15 pm -
2 stops9h 15m
Sat 3/67:30 am -
2 stops9h 40m
Deal found 10/23![Southwest logo]()
$577
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:00 am -
2 stops12h 22m
Mon 12/148:05 am -
2 stops13h 55m
Deal found 10/22![United Airlines logo]()
$555
This Southwest deal was found by Cheapflights users on 10/24. 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.
Sun 3/145:30 am -
2 stops10h 05m
Thu 3/189:55 pm -
1 stop12h 50m
Deal found 10/24![Southwest logo]()
$612
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:37 am -
2 stops12h 20m
Fri 11/131:09 am -
2 stops13h 28m
Deal found 10/25![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:02 am -
2 stops12h 20m
Mon 12/142:05 am -
2 stops12h 19m
Deal found 10/23![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:10 am -
2 stops16h 12m
Tue 11/102:05 am -
2 stops21h 25m
Deal found 10/23![United Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/186:00 pm -
2 stops28h 57m
Fri 12/251:09 am -
2 stops13h 09m
Deal found 10/26![United Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:33 pm -
1 stop9h 24m
Tue 12/291:09 am -
2 stops20h 47m
Deal found 10/25![United Airlines logo]()
$1,012
Last-minute flights from Louisville to Puerto RicoDiscover last-minute flight deals from Louisville to Puerto Rico. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Puerto Rico. Data last updated October 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:08 pm -
1 stop19h 11m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/23![Multiple Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/31:45 pm -
1 stop9h 12m
Mon 11/161:09 am -
2 stops13h 26m
Deal found 10/21![United Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Fri 11/133:55 pm -
2 stops24h 31m
Deal found 10/25![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:45 pm -
1 stop9h 12m
Fri 11/131:09 am -
2 stops13h 28m
Deal found 10/25![United Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/226:00 am -
1 stop29h 06m
Deal found 10/23![Multiple Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:04 am -
2 stops11h 01m
Wed 11/252:29 pm -
1 stop9h 45m
Deal found 10/21![American Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:10 pm -
1 stop18h 41m
Wed 12/910:03 pm -
2 stops38h 45m
Deal found 10/23![Multiple Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:16 am -
1 stop7h 06m
Wed 12/93:11 pm -
1 stop9h 48m
Deal found 10/21![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/266:16 am -
1 stop7h 06m
Thu 12/106:28 am -
1 stop12h 44m
Deal found 10/22![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/287:21 pm -
1 stop14h 20m
Sat 12/57:20 am -
1 stop12h 36m
Deal found 10/21![American Airlines logo]()
$400
One-way flights from Louisville to Puerto RicoSearch for one-way flight options from Louisville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Louisville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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 11/144:40 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 1/149:09 pm -
2 stops28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:04 am -
1 stop13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 4/97:52 pm -
1 stop14h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/410:25 am -
3 stops57h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/214:06 pm -
2 stops33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:10 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/410:25 am -
3 stops39h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/44:06 pm -
3 stops22h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/49:00 am -
2 stops13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$236
Find flight deals from Louisville to Puerto Rico
Keep the following information in mind while searching for Louisville to Puerto Rico flight deals. Data was last updated October 26, 2026.
Round-trip from | $296 (Kiwi.com) |
|---|---|
One-way from | $192 (Southwest) |
Popular in | March |
Cheapest in | April |
Average price | $421 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Puerto Rico 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 October 26, 2026.
Use the filters below to find and compare flights from Louisville to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 1/14
9:09 pm-2:11 am
2 stops28h 02m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$193
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 1/14
1:41 pm-12:36 am
1 stop9h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 4/9
7:52 pm-10:48 am
1 stop14h 56m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
Quickest round-trip
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Sat 11/21
1:45 pm-12:36 am
1 stop9h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 11/10
11:10 am-10:25 pm
1 stop10h 15m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
LouisvilleAguadilla
SDF Louisville Intl - BQN Aguadilla Borinquen
SDFBQN
Louisville Intl
Fri 12/4
10:25 am-2:52 am
3 stops39h 27m
Aguadilla Borinquen
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$235
LouisvilleAguadilla
SDF Louisville Intl - BQN Aguadilla Borinquen
SDFBQN
Louisville Intl
Fri 12/4
9:00 am-11:57 pm
2 stops13h 57m
Aguadilla Borinquen
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$236
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 11/12
7:00 am-10:22 pm
2 stops14h 22m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$242
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 11/13
10:27 am-10:22 pm
2 stops10h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$242
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 12/29
7:44 am-11:09 pm
1 stop14h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$263
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Louisville to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Louisville with our price prediction graph.
SDF-SJU
SDF-BQN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Louisville to Puerto Rico
SDF-PR0
SDF-SJU
SDF-BQN
What is the cheapest month to book a flight from Louisville to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from Louisville to Puerto Rico (average of $384). Flying from Louisville to Puerto Rico in March is currently the most expensive (average of $570). 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.
How far ahead should I book a flight from Louisville to Puerto Rico?
To ensure you get the cheapest price possible for a flight from Louisville to Puerto Rico, you should look to book at least 73 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.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated October 26, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
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 Louisville to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Louisville to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Puerto Rico by cabin class
Find flights from Louisville to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Puerto Rico flights
Browse other Louisville and Puerto Rico flight options. Last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Louisville to Puerto Rico
Discover the top 4 airlines that operate flights from Louisville to Puerto Rico. 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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$225 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$326 | Average$502 | FlexibilityNo cancel fee | On-time63% |