$121+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Puerto Rico with Cheapflights
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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 March 13, 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 March 13, 2026.
This United Airlines deal was found by Cheapflights users on 3/8. 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 11/79:00 am
SDF
- SJU
2 stops12h 22m
United Airlines
Wed 11/118:30 am
SJU
- SDF
1 stop7h 17m
United Airlines
Deal found 3/8![United Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:52 pm
SDF
- SJU
1 stop14h 56m
American Airlines
Thu 4/2310:03 am
SJU
- SDF
1 stop13h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:32 am
SDF
- SJU
1 stop11h 06m
United Airlines
Tue 10/277:30 am
SJU
- SDF
1 stop7h 17m
United Airlines
Deal found 3/12![United Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:05 pm
SDF
- SJU
1 stop8h 10m
Delta
Thu 4/165:34 pm
SJU
- SDF
1 stop6h 25m
Delta
Deal found 3/9![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
SDF
- SJU
1 stop11h 08m
American Airlines
Sat 4/187:25 am
SJU
- SDF
1 stop14h 03m
American Airlines
Deal found 3/12![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:24 pm
SDF
- SJU
1 stop6h 35m
Delta
Wed 11/111:55 pm
SJU
- SDF
1 stop9h 40m
Delta
Deal found 3/8![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:15 pm
SDF
- SJU
1 stop11h 10m
Southwest
Sun 5/106:25 am
SJU
- SDF
1 stop10h 05m
Southwest
Deal found 3/8![Southwest logo]()
$322
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:42 pm
SDF
- SJU
1 stop6h 13m
Spirit Airlines
Thu 3/261:45 am
SJU
- SDF
1 stop9h 29m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:48 pm
SDF
- SJU
1 stop16h 45m
Multiple Airlines
Thu 4/167:17 pm
SJU
- SDF
2 stops23h 41m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:37 pm
SDF
- SJU
1 stop6h 36m
Delta
Sat 5/25:34 pm
SJU
- SDF
1 stop6h 25m
Delta
Deal found 3/13![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:43 am
SDF
- SJU
1 stop5h 50m
Delta
Fri 10/305:43 pm
SJU
- SDF
1 stop6h 19m
Delta
Deal found 3/11![Delta logo]()
$336
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:09 pm
SDF
- VQS
2 stops20h 53m
Multiple Airlines
Sun 3/296:05 pm
VQS
- SDF
2 stops17h 09m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$954
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 March 13, 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 March 13, 2026.
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:15 pm
SDF
- SJU
1 stop11h 10m
Southwest
Sun 5/106:25 am
SJU
- SDF
1 stop10h 05m
Southwest
Deal found 3/8![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Tue 4/1412:55 pm
SJU
- SDF
1 stop11h 04m
Delta
Deal found 3/12![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 5/119:10 am
SDF
- SJU
2 stops12h 14m
United Airlines
Thu 5/141:25 pm
SJU
- SDF
1 stop8h 57m
United Airlines
Deal found 3/10![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:40 pm
SDF
- SJU
2 stops9h 15m
Southwest
Fri 4/242:00 pm
SJU
- SDF
2 stops9h 45m
Southwest
Deal found 3/11![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:00 am
SDF
- SJU
2 stops11h 24m
United Airlines
Sat 4/181:25 pm
SJU
- SDF
2 stops10h 34m
United Airlines
Deal found 3/13![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:50 am
SDF
- SJU
1 stop12h 45m
Southwest
Wed 7/296:00 am
SJU
- SDF
2 stops9h 35m
Southwest
Deal found 3/11![Southwest logo]()
$416
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:09 pm
SDF
- VQS
2 stops20h 53m
Multiple Airlines
Sun 3/296:05 pm
VQS
- SDF
2 stops17h 09m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$954
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:15 pm
SDF
- SJU
1 stop11h 10m
Southwest
Mon 5/115:05 am
SJU
- SDF
2 stops11h 45m
Southwest
Deal found 3/12![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 3/8. 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.
Thu 5/142:40 pm
SDF
- SJU
2 stops9h 15m
Southwest
Sun 5/179:45 pm
SJU
- SDF
1 stop12h 50m
Southwest
Deal found 3/8![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 3/8. 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.
Mon 5/255:45 am
SDF
- SJU
2 stops9h 10m
Southwest
Mon 6/14:25 pm
SJU
- SDF
1 stop7h 20m
Southwest
Deal found 3/8![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/282:35 pm
SDF
- VQS
2 stops25h 18m
United Airlines
Wed 4/111:44 am
VQS
- SDF
2 stops12h 15m
United Airlines
Deal found 3/13![United Airlines logo]()
$4,010
Last-minute flights from Louisville to Puerto RicoDiscover last-minute flight deals from Louisville to Puerto Rico. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Puerto Rico. Data last updated March 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:42 pm
SDF
- SJU
1 stop6h 13m
Spirit Airlines
Thu 3/261:45 am
SJU
- SDF
1 stop9h 29m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$329
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:09 pm
SDF
- VQS
2 stops20h 53m
Multiple Airlines
Sun 3/296:05 pm
VQS
- SDF
2 stops17h 09m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$954
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:33 pm
SDF
- SJU
1 stop20h 16m
Spirit Airlines
Wed 4/17:54 pm
SJU
- SDF
1 stop18h 39m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:09 pm
SDF
- SJU
1 stop9h 50m
Spirit Airlines
Mon 4/67:54 pm
SJU
- SDF
1 stop15h 53m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:05 pm
SDF
- SJU
1 stop8h 10m
Delta
Thu 4/165:34 pm
SJU
- SDF
1 stop6h 25m
Delta
Deal found 3/9![Delta logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:48 pm
SDF
- SJU
1 stop16h 45m
Multiple Airlines
Thu 4/167:17 pm
SJU
- SDF
2 stops23h 41m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
SDF
- SJU
1 stop11h 08m
American Airlines
Sat 4/187:25 am
SJU
- SDF
1 stop14h 03m
American Airlines
Deal found 3/12![American Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/137:48 pm
SDF
- SJU
1 stop16h 01m
Multiple Airlines
Sat 4/1811:30 am
SJU
- SDF
2 stops25h 56m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:31 am
SDF
- SJU
1 stop6h 58m
American Airlines
Sat 4/185:45 am
SJU
- SDF
1 stop6h 27m
American Airlines
Deal found 3/13![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:52 pm
SDF
- SJU
1 stop14h 56m
American Airlines
Thu 4/2310:03 am
SJU
- SDF
1 stop13h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/207:52 pm
SDF
- SJU
1 stop16h 11m
American Airlines
Wed 4/2911:43 am
SJU
- SDF
1 stop12h 16m
American Airlines
Deal found 3/8![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:37 pm
SDF
- SJU
1 stop6h 36m
Delta
Sat 5/25:34 pm
SJU
- SDF
1 stop6h 25m
Delta
Deal found 3/13![Delta logo]()
$331
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 March 13, 2026.
Search for one-way flight options from Louisville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 5/52:30 pm
SDF
- SJU
1 stop6h 54m
United Airlines
Deal found 3/10![United Airlines logo]()
$121
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:43 am
SDF
- SJU
1 stop5h 52m
American Airlines
Deal found 3/11![American Airlines logo]()
$123
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:59 am
SDF
- SJU
1 stop17h 00m
American Airlines
Deal found 3/11![American Airlines logo]()
$148
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:37 am
SDF
- SJU
1 stop15h 20m
American Airlines
Deal found 3/13![American Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:15 am
SDF
- SJU
1 stop14h 44m
American Airlines
Deal found 3/13![American Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:13 pm
SDF
- SJU
1 stop21h 42m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$156
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:55 pm
SDF
- SJU
1 stop8h 37m
American Airlines
Deal found 3/11![American Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:33 am
SDF
- SJU
2 stops10h 37m
American Airlines
Deal found 3/11![American Airlines logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:09 pm
SDF
- SJU
1 stop9h 50m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:13 pm
SDF
- SJU
1 stop21h 42m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$173
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:33 pm
SDF
- SJU
2 stops18h 37m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:50 am
SDF
- CPX
2 stops10h 23m
United Airlines
Deal found 3/11![United Airlines logo]()
$779
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 March 13, 2026.
Round-trip from | $282 (American Airlines) |
|---|---|
One-way from | $121 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $476 |
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 March 13, 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 - SJU
SDFSJU
Louisville Intl
Fri 5/8
12:15 pm-11:25 pm
1 stop11h 10m
San Juan Luis Munoz Marin Intl
Sun 5/10
6:25 am-4:30 pm
1 stop10h 05m
$322
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Fri 4/10
5:35 pm-11:15 pm
1 stop5h 40m
San Juan Luis Munoz Marin Intl
Tue 4/14
12:55 pm-11:59 pm
1 stop11h 04m
$388
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Mon 4/20
2:40 pm-11:55 pm
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Fri 4/24
2:00 pm-11:45 pm
2 stops9h 45m
$416
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Thu 7/23
10:50 am-11:35 pm
1 stop12h 45m
San Juan Luis Munoz Marin Intl
Wed 7/29
6:00 am-3:35 pm
2 stops9h 35m
$416
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Fri 5/8
12:15 pm-11:25 pm
1 stop11h 10m
San Juan Luis Munoz Marin Intl
Mon 5/11
5:05 am-4:50 pm
2 stops11h 45m
$417
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Thu 5/14
2:40 pm-11:55 pm
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Sun 5/17
9:45 pm-10:35 am
1 stop12h 50m
$426
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Mon 5/11
9:10 am-9:24 pm
2 stops12h 14m
San Juan Luis Munoz Marin Intl
Thu 5/14
1:25 pm-10:22 pm
1 stop8h 57m
$434
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Tue 4/14
10:00 am-9:24 pm
2 stops11h 24m
San Juan Luis Munoz Marin Intl
Sat 4/18
1:25 pm-11:59 pm
2 stops10h 34m
$441
Quickest round-trip
LouisvilleSan Juan
SDF - SJU
SDFSJU
Louisville Intl
Mon 5/25
5:45 am-2:55 pm
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Mon 6/1
4:25 pm-11:45 pm
1 stop7h 20m
$466
LouisvilleVieques
SDF - VQS
SDFVQS
Louisville Intl
Wed 3/25
12:09 pm-9:02 am
2 stops20h 53m
Vieques
Sun 3/29
6:05 pm-11:14 am
2 stops17h 09m
$954
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-VQS
SDF-CPX
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-VQS
SDF-CPX
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 $89). Flying from Louisville to Puerto Rico in June is currently the most expensive (average of $252). 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 March 13, 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.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - 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 March 13, 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$205 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$366 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$225 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$246 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$508 | FlexibilityNo cancel fee | On-time69% |