$158+ Cheap flights from Louisville (SDF) to Puerto Rico
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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Jun 2 — Jun 91
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
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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 May 3, 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 May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/2510:33 am
SDF
- SJU
1 stop29h 22m
Multiple Airlines
Thu 5/288:04 pm
SJU
- SDF
1 stop13h 24m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/208:48 pm
SDF
- SJU
2 stops27h 59m
Multiple Airlines
Fri 8/76:00 am
SJU
- SDF
1 stop14h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 7/216:00 am
SDF
- SJU
1 stop5h 46m
Delta
Thu 8/65:56 pm
SJU
- SDF
1 stop6h 30m
Delta
Deal found 5/1![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/278:15 am
SDF
- SJU
1 stop14h 30m
American Airlines
Wed 6/36:20 am
SJU
- SDF
1 stop16h 48m
American Airlines
Deal found 4/29![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 10/118:55 am
SDF
- SJU
1 stop14h 55m
American Airlines
Sat 10/176:00 am
SJU
- SDF
1 stop11h 51m
American Airlines
Deal found 4/29![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 4/30. 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 8/57:31 am
SDF
- SJU
1 stop14h 53m
American Airlines
Fri 8/146:51 am
SJU
- SDF
1 stop16h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/38:06 pm
SDF
- SJU
2 stops31h 55m
Multiple Airlines
Thu 6/116:00 am
SJU
- SDF
1 stop29h 21m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$338
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:33 am
SDF
- SJU
1 stop8h 26m
Spirit Airlines
Sun 6/148:04 pm
SJU
- SDF
1 stop13h 24m
Spirit Airlines
Deal found 4/28![Spirit Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 5/1. 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 10/146:00 am
SDF
- SJU
1 stop6h 34m
United Airlines
Wed 10/211:25 pm
SJU
- SDF
1 stop9h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/68:06 pm
SDF
- SJU
2 stops30h 02m
Multiple Airlines
Thu 6/112:05 pm
SJU
- SDF
1 stop21h 16m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/1111:00 am
SDF
- SJU
1 stop12h 03m
American Airlines
Wed 5/276:00 am
SJU
- SDF
2 stops11h 12m
American Airlines
Deal found 4/29![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/810:35 am
SDF
- SJU
1 stop7h 17m
Multiple Airlines
Fri 6/122:05 pm
SJU
- SDF
1 stop21h 16m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$362
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 7/216:00 am
SDF
- SJU
1 stop5h 46m
Delta
Thu 8/65:56 pm
SJU
- SDF
1 stop6h 30m
Delta
Deal found 5/1![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/196:00 am
SDF
- SJU
1 stop9h 42m
United Airlines
Tue 5/262:05 am
SJU
- SDF
1 stop9h 49m
United Airlines
Deal found 5/1![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 5/2. 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 8/167:35 am
SDF
- SJU
2 stops9h 30m
Southwest
Mon 9/145:00 am
SJU
- SDF
2 stops10h 30m
Southwest
Deal found 5/2![Southwest logo]()
$430
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 7/216:00 am
SDF
- SJU
1 stop5h 46m
Delta
Tue 8/45:56 pm
SJU
- SDF
1 stop6h 30m
Delta
Deal found 5/1![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 5/1. 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 10/93:35 pm
SDF
- SJU
2 stops9h 00m
Southwest
Tue 10/136:10 am
SJU
- SDF
1 stop11h 10m
Southwest
Deal found 5/1![Southwest logo]()
$430
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 7/206:00 am
SDF
- SJU
1 stop5h 46m
Delta
Mon 8/312:56 pm
SJU
- SDF
1 stop8h 22m
Delta
Deal found 5/1![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 4/29. 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 10/1110:05 am
SDF
- SJU
2 stops10h 30m
Southwest
Sat 10/175:30 am
SJU
- SDF
1 stop11h 40m
Southwest
Deal found 4/29![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 9/257:00 am
SDF
- SJU
1 stop9h 31m
Delta
Wed 9/305:41 pm
SJU
- SDF
1 stop6h 18m
Delta
Deal found 4/29![Delta logo]()
$448
This Southwest deal was found by Cheapflights users on 5/3. 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 10/1011:20 am
SDF
- SJU
2 stops8h 50m
Southwest
Sat 10/175:30 am
SJU
- SDF
1 stop11h 40m
Southwest
Deal found 5/3![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 4/29. 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 7/105:05 pm
SDF
- SJU
1 stop7h 10m
Southwest
Sat 7/185:00 am
SJU
- SDF
1 stop7h 10m
Southwest
Deal found 4/29![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 5/2. 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 7/2410:45 am
SDF
- SJU
1 stop13h 30m
Southwest
Sun 7/266:05 am
SJU
- SDF
1 stop7h 45m
Southwest
Deal found 5/2![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/106:15 am
SDF
- CPX
2 stops11h 06m
United Airlines
Fri 8/1410:48 am
CPX
- SDF
2 stops12h 09m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/285:35 am
SDF
- VQS
2 stops12h 04m
United Airlines
Mon 8/3111:40 am
VQS
- SDF
2 stops10h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$2,364
Last-minute flights from Louisville to Puerto RicoDiscover last-minute flight deals from Louisville to Puerto Rico. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Puerto Rico. Data last updated May 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/1111:00 am
SDF
- SJU
1 stop12h 03m
American Airlines
Wed 5/276:00 am
SJU
- SDF
2 stops11h 12m
American Airlines
Deal found 4/29![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 5/3. 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.
Mon 5/117:08 am
SDF
- SJU
1 stop9h 25m
Delta
Wed 5/272:48 pm
SJU
- SDF
1 stop9h 37m
Delta
Deal found 5/3![Delta logo]()
$405
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:33 am
SDF
- SJU
1 stop8h 26m
Spirit Airlines
Sat 5/308:04 pm
SJU
- SDF
1 stop13h 24m
Spirit Airlines
Deal found 4/28![Spirit Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/2510:33 am
SDF
- SJU
1 stop29h 22m
Multiple Airlines
Thu 5/288:04 pm
SJU
- SDF
1 stop13h 24m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/256:51 am
SDF
- SJU
1 stop17h 08m
American Airlines
Thu 5/286:00 am
SJU
- SDF
2 stops8h 52m
American Airlines
Deal found 5/1![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/278:15 am
SDF
- SJU
1 stop14h 30m
American Airlines
Wed 6/36:20 am
SJU
- SDF
1 stop16h 48m
American Airlines
Deal found 4/29![American Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:06 pm
SDF
- SJU
2 stops22h 53m
Multiple Airlines
Wed 6/36:00 am
SJU
- SDF
1 stop29h 21m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:35 am
SDF
- SJU
1 stop7h 17m
Multiple Airlines
Fri 6/55:15 pm
SJU
- SDF
2 stops15h 21m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/307:38 am
SDF
- SJU
1 stop15h 23m
American Airlines
Fri 6/51:47 pm
SJU
- SDF
2 stops10h 41m
American Airlines
Deal found 4/29![American Airlines logo]()
$326
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 May 3, 2026.
Search for one-way flight options from Louisville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/247:38 am
SDF
- SJU
1 stop15h 23m
American Airlines
Deal found 5/3![American Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/104:54 pm
SDF
- SJU
1 stop6h 47m
American Airlines
Deal found 4/30![American Airlines logo]()
$161
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/258:15 am
SDF
- SJU
1 stop14h 30m
American Airlines
Deal found 5/3![American Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/38:06 pm
SDF
- SJU
2 stops18h 27m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 5/2. 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.
Mon 5/119:45 am
SDF
- SJU
1 stop10h 45m
Delta
Deal found 5/2![Delta logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/188:27 pm
SDF
- SJU
2 stops21h 06m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:06 pm
SDF
- SJU
3 stops34h 18m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$212
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:27 pm
SDF
- SJU
1 stop16h 39m
Spirit Airlines
Deal found 4/29![Spirit Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/47:43 am
SDF
- SJU
1 stop15h 17m
American Airlines
Deal found 4/30![American Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2110:33 am
SDF
- SJU
1 stop29h 22m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
SDF
- SJU
2 stops27h 51m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 5/318:15 am
SDF
- SJU
1 stop14h 30m
American Airlines
Deal found 5/2![American Airlines logo]()
$239
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 May 3, 2026.
Round-trip from | $311 (Kiwi.com) |
|---|---|
One-way from | $158 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $472 |
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 2,558,603 searches. Data last updated May 3, 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
Quickest round-trip
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Tue 7/21
6:00 am-11:46 am
1 stop5h 46m
San Juan Luis Munoz Marin Intl
Thu 8/6
5:56 pm-12:26 am
1 stop6h 30m
$316
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Tue 7/21
6:00 am-11:46 am
1 stop5h 46m
San Juan Luis Munoz Marin Intl
Tue 8/4
5:56 pm-12:26 am
1 stop6h 30m
$316
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Tue 5/19
6:00 am-3:42 pm
1 stop9h 42m
San Juan Luis Munoz Marin Intl
Tue 5/26
2:05 am-11:54 am
1 stop9h 49m
$366
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Mon 7/20
6:00 am-11:46 am
1 stop5h 46m
San Juan Luis Munoz Marin Intl
Mon 8/3
12:56 pm-9:18 pm
1 stop8h 22m
$408
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Sun 8/16
7:35 am-5:05 pm
2 stops9h 30m
San Juan Luis Munoz Marin Intl
Mon 9/14
5:00 am-3:30 pm
2 stops10h 30m
$430
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Fri 10/9
3:35 pm-12:35 am
2 stops9h 00m
San Juan Luis Munoz Marin Intl
Tue 10/13
6:10 am-5:20 pm
1 stop11h 10m
$430
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Sun 10/11
10:05 am-8:35 pm
2 stops10h 30m
San Juan Luis Munoz Marin Intl
Sat 10/17
5:30 am-5:10 pm
1 stop11h 40m
$431
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Fri 9/25
7:00 am-4:31 pm
1 stop9h 31m
San Juan Luis Munoz Marin Intl
Wed 9/30
5:41 pm-11:59 pm
1 stop6h 18m
$448
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Sat 10/10
11:20 am-8:10 pm
2 stops8h 50m
San Juan Luis Munoz Marin Intl
Sat 10/17
5:30 am-5:10 pm
1 stop11h 40m
$466
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Fri 7/10
5:05 pm-12:15 am
1 stop7h 10m
San Juan Luis Munoz Marin Intl
Sat 7/18
5:00 am-12:10 pm
1 stop7h 10m
$483
Showing 1-10 of 29 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-CPX
SDF-VQS
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-CPX
SDF-VQS
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 59 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 Louisville to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from Louisville to Puerto Rico (average of $113). Flying from Louisville to Puerto Rico in June is currently the most expensive (average of $280). 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 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 May 3, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Louisville to Puerto Rico
Discover the top 5 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 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$393 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$198 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$431 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$238 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$492 | FlexibilityNo cancel fee | On-time69% |