$227+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Puerto Rico to Louisville 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 Puerto Rico to Louisville
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Best
Last-minute
One-way
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 12, 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 12, 2026.
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 3/47:30 am
SJU
- SDF
1 stop8h 04m
Delta
Mon 3/95:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 2/9![Delta logo]()
$246
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 8/63:50 pm
SJU
- SDF
1 stop6h 57m
American Airlines
Tue 8/116:19 am
SDF
- SJU
1 stop16h 37m
American Airlines
Deal found 2/9![American Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/1410:03 am
SJU
- SDF
1 stop13h 56m
American Airlines
Thu 4/237:31 am
SDF
- SJU
1 stop14h 34m
American Airlines
Deal found 2/9![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 8/2710:32 am
SJU
- SDF
1 stop13h 58m
American Airlines
Fri 9/44:49 pm
SDF
- SJU
1 stop6h 52m
American Airlines
Deal found 2/10![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/119:50 am
SJU
- SDF
2 stops9h 17m
American Airlines
Wed 3/188:12 pm
SDF
- SJU
1 stop9h 16m
American Airlines
Deal found 2/11![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 12/14:37 pm
SJU
- SDF
1 stop8h 02m
American Airlines
Tue 12/86:25 am
SDF
- SJU
1 stop7h 23m
American Airlines
Deal found 2/10![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/259:20 am
SJU
- SDF
1 stop11h 52m
American Airlines
Sun 3/297:57 pm
SDF
- SJU
1 stop14h 43m
American Airlines
Deal found 2/9![American Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 2/9. 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.
Fri 2/276:00 am
SJU
- SDF
1 stop13h 05m
Southwest
Thu 5/284:45 pm
SDF
- SJU
1 stop6h 55m
Southwest
Deal found 2/9![Southwest logo]()
$366
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 12, 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 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/48:00 am
SJU
- SDF
2 stops11h 09m
American Airlines
Mon 3/96:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 2/9![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 3/47:30 am
SJU
- SDF
1 stop8h 04m
Delta
Mon 3/95:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 2/9![Delta logo]()
$246
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:35 am
SJU
- SDF
1 stop7h 00m
Southwest
Mon 5/182:40 pm
SDF
- SJU
2 stops9h 15m
Southwest
Deal found 2/10![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 5/144:30 pm
SJU
- SDF
1 stop16h 08m
American Airlines
Mon 5/187:55 pm
SDF
- SJU
1 stop8h 37m
American Airlines
Deal found 2/10![American Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 3/112:44 pm
SJU
- SDF
1 stop6h 32m
Delta
Wed 3/185:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 2/11![Delta logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 8/63:50 pm
SJU
- SDF
1 stop6h 57m
American Airlines
Tue 8/116:19 am
SDF
- SJU
1 stop16h 37m
American Airlines
Deal found 2/9![American Airlines logo]()
$286
Last-minute flights from Puerto Rico to LouisvilleDiscover last-minute flight deals from Puerto Rico to Louisville. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Louisville. Data last updated February 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 2/252:05 am
SJU
- SDF
2 stops12h 18m
United Airlines
Mon 3/29:00 am
SDF
- SJU
2 stops14h 36m
United Airlines
Deal found 2/8![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 2/9. 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.
Fri 2/276:00 am
SJU
- SDF
1 stop13h 05m
Southwest
Thu 5/284:45 pm
SDF
- SJU
1 stop6h 55m
Southwest
Deal found 2/9![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 3/47:30 am
SJU
- SDF
1 stop8h 04m
Delta
Mon 3/95:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 2/9![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 3/112:44 pm
SJU
- SDF
1 stop6h 32m
Delta
Wed 3/185:35 pm
SDF
- SJU
1 stop5h 40m
Delta
Deal found 2/11![Delta logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/1111:30 am
SJU
- SDF
1 stop7h 37m
American Airlines
Wed 3/188:12 pm
SDF
- SJU
1 stop9h 16m
American Airlines
Deal found 2/11![American Airlines logo]()
$336
This Mytrip deal was found by Cheapflights users on 2/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:52 am
SJU
- SDF
3 stops27h 41m
Spirit Airlines
Wed 3/1812:09 pm
SDF
- SJU
1 stop9h 50m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/259:20 am
SJU
- SDF
1 stop11h 52m
American Airlines
Sun 3/297:57 pm
SDF
- SJU
1 stop14h 43m
American Airlines
Deal found 2/9![American Airlines logo]()
$352
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 12, 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 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 3/265:00 am
SJU
- SDF
1 stop16h 12m
American Airlines
Deal found 2/9![American Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 4/127:00 am
SJU
- SDF
1 stop28h 14m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 4/1011:59 pm
SJU
- SDF
1 stop10h 21m
American Airlines
Deal found 2/9![American Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/217:05 am
SJU
- SDF
1 stop7h 42m
United Airlines
Deal found 2/10![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 2/11. 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.
Sun 4/261:00 pm
SJU
- SDF
1 stop7h 39m
Delta
Deal found 2/11![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/251:05 am
SJU
- SDF
2 stops21h 08m
United Airlines
Deal found 2/10![United Airlines logo]()
$465
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 12, 2026.
Round-trip from | $246 (American Airlines) |
|---|---|
One-way from | $227 (American Airlines) |
Popular in | May |
Cheapest in | October |
Average price | $250 |
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 12, 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
8:00 am-6:09 pm
2 stops11h 09m
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
7:30 am-2:34 pm
1 stop8h 04m
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
4:30 pm-8:38 am
1 stop16h 08m
Louisville Intl
Mon 5/18
7:55 pm-4:32 am
1 stop8h 37m
$256
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 8/6
3:50 pm-10:47 pm
1 stop6h 57m
Louisville Intl
Tue 8/11
6:19 am-10:56 pm
1 stop16h 37m
$286
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 5/14
5:35 am-12:35 pm
1 stop7h 00m
Louisville Intl
Mon 5/18
2:40 pm-11:55 pm
2 stops9h 15m
$296
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/11
2:44 pm-9:16 pm
1 stop6h 32m
Louisville Intl
Wed 3/18
5:35 pm-11:15 pm
1 stop5h 40m
$296
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 3/26
5:00 am-9:12 pm
1 stop16h 12m
$227
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Sun 4/12
8:47 pm-11:47 am
2 stops39h 00m
$234
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Fri 4/10
11:59 pm-10:20 am
1 stop10h 21m
$343
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Sat 3/21
7:05 am-2:47 pm
1 stop7h 42m
$357
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, February is the cheapest month in which you can book a flight from Puerto Rico to Louisville (average of $103). Flying from Puerto Rico to Louisville in April 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 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 12, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
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
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Alternative routes for Puerto Rico to Louisville
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Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Louisville by cabin class
Find flights from Puerto Rico to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Puerto Rico and Louisville flights
Browse other Puerto Rico and Louisville flight options. Last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$205 | Average$398 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$494 | FlexibilityNo cancel fee | On-time69% |