$123+ Cheap flights from Puerto Rico to Louisville (SDF)
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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Mar 3 — Mar 101
1 adult, Economy
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Find cheap flights from Puerto Rico to Louisville 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 Puerto Rico to Louisville
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Cheapest flights from Puerto Rico to LouisvilleExplore the most affordable flight options available from Puerto Rico to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.
Explore the most affordable flight options available from Puerto Rico to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:15 am
SJU
- SDF
1 stop9h 19m
Delta
Mon 3/95:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 1/31![Delta logo]()
$246
This American Airlines deal was found by Cheapflights users on 1/29. 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 3/48:40 am
SJU
- SDF
2 stops9h 41m
American Airlines
Mon 3/97:00 am
SDF
- SJU
1 stop13h 34m
American Airlines
Deal found 1/29![American Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Mon 4/67:54 pm
SJU
- SDF
1 stop15h 53m
Multiple Airlines
Fri 4/107:48 pm
SDF
- SJU
1 stop16h 45m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 8/278:00 am
SJU
- SDF
1 stop15h 55m
American Airlines
Fri 9/44:49 pm
SDF
- SJU
1 stop6h 52m
American Airlines
Deal found 2/1![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/135:18 pm
SJU
- SDF
1 stop8h 09m
American Airlines
Sun 2/156:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 1/30![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:05 am
SJU
- SDF
2 stops13h 04m
United Airlines
Tue 3/109:00 am
SDF
- SJU
2 stops14h 36m
United Airlines
Deal found 1/30![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 10/68:30 am
SJU
- SDF
2 stops13h 15m
American Airlines
Sat 10/103:58 pm
SDF
- SJU
1 stop7h 52m
American Airlines
Deal found 1/30![American Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:05 am
SJU
- SDF
2 stops13h 04m
United Airlines
Mon 3/99:00 am
SDF
- SJU
2 stops12h 22m
United Airlines
Deal found 1/29![United Airlines logo]()
$416
Best flights from Puerto Rico to LouisvilleDiscover carefully curated flight deals from Puerto Rico to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 1, 2026.
Discover carefully curated flight deals from Puerto Rico to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 1, 2026.
This American Airlines deal was found by Cheapflights users on 1/29. 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 3/48:40 am
SJU
- SDF
1 stop13h 31m
American Airlines
Mon 3/96:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 1/29![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:15 am
SJU
- SDF
1 stop6h 12m
Delta
Tue 3/1010:13 am
SDF
- SJU
1 stop10h 05m
Delta
Deal found 1/30![Delta logo]()
$246
This Southwest deal was found by Cheapflights users on 1/31. 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 5/144:25 pm
SJU
- SDF
1 stop7h 20m
Southwest
Mon 5/1811:10 am
SDF
- SJU
2 stops12h 15m
Southwest
Deal found 1/31![Southwest logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Mon 4/67:54 pm
SJU
- SDF
1 stop15h 53m
Multiple Airlines
Fri 4/107:48 pm
SDF
- SJU
1 stop16h 45m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 1/31. 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 5/144:30 pm
SJU
- SDF
1 stop16h 08m
American Airlines
Mon 5/187:52 pm
SDF
- SJU
1 stop16h 11m
American Airlines
Deal found 1/31![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:15 am
SJU
- SDF
1 stop9h 19m
Delta
Mon 3/95:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 1/31![Delta logo]()
$246
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/135:18 pm
SJU
- SDF
1 stop8h 09m
American Airlines
Sun 2/156:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 1/30![American Airlines logo]()
$330
Last-minute flights from Puerto Rico to LouisvilleDiscover last-minute flight deals from Puerto Rico to Louisville. Data last updated February 1, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Louisville. Data last updated February 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/38:10 am
SJU
- SDF
2 stops13h 18m
United Airlines
Thu 2/58:29 am
SDF
- SJU
2 stops11h 57m
United Airlines
Deal found 1/30![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/38:10 am
SJU
- SDF
2 stops13h 18m
United Airlines
Fri 2/65:35 am
SDF
- SJU
2 stops14h 51m
United Airlines
Deal found 2/1![United Airlines logo]()
$617
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/42:45 pm
SJU
- SDF
1 stop9h 38m
United Airlines
Sun 2/81:40 pm
SDF
- SJU
1 stop9h 56m
United Airlines
Deal found 1/31![United Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/135:18 pm
SJU
- SDF
1 stop8h 09m
American Airlines
Sun 2/156:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 1/30![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 2/137:40 am
SJU
- SDF
2 stops13h 29m
United Airlines
Sun 2/155:54 pm
SDF
- SJU
2 stops11h 17m
United Airlines
Deal found 2/1![United Airlines logo]()
$609
This Priceline deal was found by Cheapflights users on 1/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:20 am
SJU
- SDF
1 stop8h 01m
Spirit Airlines
Fri 2/201:19 pm
SDF
- SJU
1 stop8h 50m
Spirit Airlines
Deal found 1/31![Spirit Airlines logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/166:00 am
SJU
- SDF
2 stops33h 38m
Multiple Airlines
Fri 2/201:19 pm
SDF
- SJU
1 stop8h 50m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$523
One-way flights from Puerto Rico to LouisvilleSearch for one-way flight options from Puerto Rico to Louisville. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
Search for one-way flight options from Puerto Rico to Louisville. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:50 pm
SJU
- SDF
1 stop11h 35m
Southwest
Deal found 1/30![Southwest logo]()
$123
This OneTravel deal was found by Cheapflights users on 1/30. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:54 pm
SJU
- SDF
1 stop16h 25m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 3/77:05 pm
SJU
- SDF
2 stops18h 21m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:35 am
SJU
- SDF
1 stop7h 00m
Southwest
Deal found 1/30![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 1/30. 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 3/2611:30 am
SJU
- SDF
1 stop12h 57m
American Airlines
Deal found 1/30![American Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 4/128:47 pm
SJU
- SDF
2 stops39h 00m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 4/1110:28 pm
SJU
- SDF
2 stops14h 58m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:35 am
SJU
- SDF
1 stop11h 15m
Southwest
Deal found 1/30![Southwest logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 4/81:45 am
SJU
- SDF
2 stops11h 41m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$263
Find flight deals from Puerto Rico to Louisville
Keep the following information in mind while searching for Puerto Rico to Louisville flight deals. Data was last updated February 1, 2026.
Round-trip from | $246 (Delta) |
|---|---|
One-way from | $123 (Southwest) |
Popular in | May |
Cheapest in | October |
Average price | $295 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 1, 2026.
Use the filters below to find and compare flights from Puerto Rico to Louisville that are best for you.
Fly from
Puerto Rico
Fly to
Louisville
Route
Depart
Return
Price
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/4
8:40 am-9:11 pm
1 stop13h 31m
Louisville Intl
Mon 3/9
6:12 pm-4:24 am
1 stop10h 12m
$246
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/4
6:15 am-11:27 am
1 stop6h 12m
Louisville Intl
Tue 3/10
10:13 am-8:18 pm
1 stop10h 05m
$246
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 5/14
4:30 pm-8:38 am
1 stop16h 08m
Louisville Intl
Mon 5/18
7:52 pm-12:03 pm
1 stop16h 11m
$246
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/4
6:15 am-2:34 pm
1 stop9h 19m
Louisville Intl
Mon 3/9
5:35 pm-11:15 pm
1 stop5h 40m
$246
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 5/14
4:25 pm-11:45 pm
1 stop7h 20m
Louisville Intl
Mon 5/18
11:10 am-11:25 pm
2 stops12h 15m
$286
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Mon 4/6
7:54 pm-11:47 am
1 stop15h 53m
Louisville Intl
Fri 4/10
7:48 pm-12:33 pm
1 stop16h 45m
$297
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Fri 2/13
5:18 pm-12:27 am
1 stop8h 09m
Louisville Intl
Sun 2/15
6:12 pm-5:24 am
1 stop10h 12m
$330
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Sat 3/7
7:05 pm-12:26 pm
2 stops18h 21m
$185
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 4/9
5:35 am-12:35 pm
1 stop7h 00m
$203
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 3/26
11:30 am-12:27 am
1 stop12h 57m
$226
Showing 1-10 of 14 results
Best time to book a flight from Puerto Rico to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Puerto Rico with our price prediction graph.
SJU-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to Louisville
PR0-SDF
SJU-SDF
What is the cheapest month to book a flight from Puerto Rico to Louisville?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Louisville (average of $113). Flying from Puerto Rico to Louisville in June is currently the most expensive (average of $251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated February 1, 2026.
Read through reviews of airlines operating flights from Puerto Rico to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Puerto Rico to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Puerto Rico to Louisville
Discover the top 4 airlines that operate flights from Puerto Rico to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$494 | FlexibilityNo cancel fee | On-time69% |