$116+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Oct 11 — Oct 181
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 September 11, 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 September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/711:08 am -
1 stop11h 51m
Wed 11/117:30 am -
1 stop17h 29m
Deal found 9/10![American Airlines logo]()
$232
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/64:18 pm -
2 stops19h 13m
Wed 10/72:27 pm -
2 stops9h 40m
Deal found 9/9![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/186:02 am -
1 stop15h 37m
Wed 11/258:30 am -
1 stop15h 00m
Deal found 9/10![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/56:03 pm -
2 stops18h 06m
Tue 10/136:30 am -
2 stops16h 47m
Deal found 9/9![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:04 am -
2 stops15h 35m
Thu 12/37:30 am -
2 stops10h 55m
Deal found 9/6![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 11/97:30 am -
1 stop15h 29m
Mon 11/167:30 am -
1 stop17h 29m
Deal found 9/10![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/89:09 pm -
1 stop26h 48m
Tue 10/136:42 pm -
2 stops25h 49m
Deal found 9/7![Multiple Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/8. 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 10/26:55 pm -
1 stop6h 25m
Wed 10/73:35 pm -
1 stop6h 05m
Deal found 9/8![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:10 pm -
1 stop7h 10m
Wed 12/96:40 am -
1 stop7h 20m
Deal found 9/8![Southwest logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/27:27 pm -
2 stops15h 33m
Sat 10/106:00 am -
1 stop15h 25m
Deal found 9/7![American Airlines logo]()
$356
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:27 am -
2 stops22h 55m
Thu 11/123:05 pm -
2 stops33h 25m
Deal found 9/10![Multiple Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/196:00 am -
2 stops10h 21m
Tue 12/110:48 am -
2 stops13h 27m
Deal found 9/8![United Airlines logo]()
$1,558
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 September 11, 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 September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/168:18 pm -
1 stop15h 02m
Sun 10/1812:41 pm -
1 stop11h 27m
Deal found 9/10![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:20 am -
2 stops8h 40m
Fri 12/187:05 am -
2 stops9h 30m
Deal found 9/8![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/2010:25 am -
2 stops13h 25m
Wed 10/211:25 pm -
1 stop10h 16m
Deal found 9/7![United Airlines logo]()
$446
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:27 am -
2 stops22h 55m
Thu 11/123:05 pm -
2 stops33h 25m
Deal found 9/10![Multiple Airlines logo]()
$771
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:50 am -
1 stop10h 05m
Wed 11/257:45 pm -
1 stop6h 05m
Deal found 9/6![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:40 am -
1 stop8h 00m
Wed 11/48:05 am -
1 stop7h 42m
Deal found 9/6![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 11/1212:05 pm -
2 stops9h 50m
Sun 11/155:35 am -
1 stop6h 55m
Deal found 9/9![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:45 pm -
1 stop9h 51m
Mon 12/78:05 am -
1 stop7h 32m
Deal found 9/6![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:10 pm -
1 stop6h 55m
Thu 10/85:35 pm -
1 stop6h 40m
Deal found 9/6![Southwest logo]()
$460
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/910:45 am -
2 stops12h 51m
Mon 12/148:05 am -
2 stops11h 07m
Deal found 9/10![United Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/215:40 am -
2 stops10h 41m
Wed 11/2510:48 am -
2 stops10h 51m
Deal found 9/8![United Airlines logo]()
$2,036
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/206:00 am -
2 stops10h 21m
Wed 11/2510:48 am -
2 stops10h 51m
Deal found 9/8![United Airlines logo]()
$2,036
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 11/237:00 am -
2 stops9h 21m
Sat 11/2810:48 am -
2 stops48h 46m
Deal found 9/8![United Airlines logo]()
$2,130
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/206:00 am -
2 stops10h 21m
Sat 11/2810:48 am -
2 stops48h 46m
Deal found 9/8![United Airlines logo]()
$2,205
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/206:00 am -
2 stops10h 21m
Sun 11/2910:48 am -
2 stops28h 59m
Deal found 9/8![United Airlines logo]()
$2,577
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/215:40 am -
2 stops10h 41m
Sun 11/2910:48 am -
2 stops31h 49m
Deal found 9/8![United Airlines logo]()
$2,618
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/206:00 am -
2 stops10h 39m
Sun 11/298:30 am -
2 stops33h 32m
Deal found 9/8![United Airlines logo]()
$2,664
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/197:00 am -
2 stops10h 30m
Sat 11/287:30 am -
2 stops17h 00m
Deal found 9/8![United Airlines logo]()
$2,905
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/215:40 am -
2 stops10h 59m
Wed 11/2511:40 am -
2 stops12h 50m
Deal found 9/8![United Airlines logo]()
$3,578
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/215:40 am -
2 stops10h 59m
Sat 11/287:30 am -
2 stops14h 09m
Deal found 9/8![United Airlines logo]()
$3,803
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/15:15 am -
2 stops13h 15m
Sun 10/49:55 am -
2 stops13h 46m
Deal found 9/9![United Airlines logo]()
$3,920
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/196:00 am -
2 stops11h 30m
Thu 11/2611:40 am -
2 stops26h 23m
Deal found 9/8![United Airlines logo]()
$3,982
Last-minute flights from Louisville to Puerto RicoDiscover last-minute flight deals from Louisville to Puerto Rico. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Puerto Rico. Data last updated September 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:27 pm -
2 stops15h 33m
Wed 9/303:41 pm -
1 stop7h 41m
Deal found 9/8![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/15:15 am -
2 stops13h 15m
Sun 10/49:55 am -
2 stops13h 46m
Deal found 9/10![United Airlines logo]()
$3,920
This Southwest deal was found by Cheapflights users on 9/8. 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 10/26:55 pm -
1 stop6h 25m
Wed 10/73:35 pm -
1 stop6h 05m
Deal found 9/8![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/27:27 pm -
2 stops15h 33m
Sat 10/106:00 am -
1 stop15h 25m
Deal found 9/7![American Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/56:03 pm -
2 stops18h 06m
Tue 10/136:30 am -
2 stops16h 47m
Deal found 9/9![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/64:18 pm -
2 stops19h 13m
Wed 10/72:27 pm -
2 stops9h 40m
Deal found 9/9![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/73:36 pm -
2 stops18h 10m
Tue 10/136:30 am -
2 stops16h 47m
Deal found 9/9![American Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/89:09 pm -
1 stop26h 48m
Tue 10/136:42 pm -
2 stops25h 49m
Deal found 9/7![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:09 pm -
1 stop26h 48m
Thu 10/157:00 am -
2 stops13h 29m
Deal found 9/8![Multiple Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 9/9. 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 10/103:35 pm -
1 stop6h 40m
Fri 10/165:35 pm -
1 stop6h 40m
Deal found 9/9![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 10/117:15 am -
1 stop15h 42m
Sat 10/1712:41 pm -
1 stop11h 26m
Deal found 9/9![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:18 pm -
2 stops13h 28m
Mon 10/266:00 am -
1 stop17h 27m
Deal found 9/8![American Airlines logo]()
$232
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 September 11, 2026.
Search for one-way flight options from Louisville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/58:18 pm -
2 stops13h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$116
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:04 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 11/74:06 pm -
2 stops31h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/89:09 pm -
1 stop26h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:10 pm -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/237:06 pm -
2 stops19h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
3 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/39:09 pm -
2 stops39h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$216
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 September 11, 2026.
Round-trip from | $232 (American Airlines) |
|---|---|
One-way from | $116 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $408 |
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 September 11, 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
Fri 11/6
5:10 pm-1:05 am
1 stop6h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
Quickest round-trip
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Sat 11/7
6:04 am-1:03 pm
1 stop5h 59m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Wed 9/23
7:06 pm-9:35 am
2 stops14h 29m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 11/6
8:54 pm-12:59 am
2 stops27h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$210
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Wed 10/7
9:11 pm-1:53 am
3 stops28h 42m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 9/22
9:00 am-11:50 pm
2 stops14h 50m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 9/22
12:50 pm-7:05 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Wed 9/23
12:50 pm-7:05 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Wed 9/16
6:00 am-12:20 pm
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$271
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 10/16
8:18 pm-11:20 am
1 stop15h 02m
San Juan Luis Munoz Marin Intl
Sun 10/18
12:41 pm-12:08 am
1 stop11h 27m
$379
Showing 1-10 of 31 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
What is the cheapest month to book a flight from Louisville to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Louisville to Puerto Rico (average of $366). Flying from Louisville to Puerto Rico in December is currently the most expensive (average of $545). 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 69 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 September 11, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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.
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.
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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 September 11, 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$205 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$480 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$309 | Average$506 | FlexibilityNo cancel fee | On-time63% |