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$127+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Find flight deals from Puerto Rico to Louisville

Cheapest flights from Puerto Rico to Louisville
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 November 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/14. 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 12/246:28 pmSJU - SDF
1 stop6h 31mSpirit Airlines
Wed 12/315:05 amSDF - SJU
1 stop5h 53mSpirit Airlines
Deal found 11/14$206
This Delta deal was found by Cheapflights users on 11/14. 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 12/126:38 pmSJU - SDF
1 stop6h 21mDelta
Tue 1/136:00 amSDF - SJU
1 stop7h 30mDelta
Deal found 11/14$225
This American Airlines deal was found by Cheapflights users on 11/14. 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 12/1211:00 amSJU - SDF
2 stops11h 49mAmerican Airlines
Tue 1/138:07 amSDF - SJU
1 stop12h 32mAmerican Airlines
Deal found 11/14$230
This American Airlines deal was found by Cheapflights users on 11/14. 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 12/2212:30 pmSJU - SDF
1 stop13h 01mAmerican Airlines
Sat 1/311:19 amSDF - SJU
1 stop11h 40mAmerican Airlines
Deal found 11/14$265
This American Airlines deal was found by Cheapflights users on 11/14. 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 12/258:35 pmSJU - SDF
1 stop15h 13mAmerican Airlines
Thu 1/17:00 amSDF - SJU
1 stop15h 59mAmerican Airlines
Deal found 11/14$271
This American Airlines deal was found by Cheapflights users on 11/16. 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 11/278:20 amSJU - SDF
1 stop6h 03mAmerican Airlines
Sun 11/306:45 amSDF - SJU
1 stop16h 07mAmerican Airlines
Deal found 11/16$305
This American Airlines deal was found by Cheapflights users on 11/15. 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 11/252:05 pmSJU - SDF
1 stop11h 17mAmerican Airlines
Sun 11/306:45 amSDF - SJU
1 stop16h 07mAmerican Airlines
Deal found 11/15$312

Cheap 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 November 16, 2025.

Round-trip from

$206
(Cheapflightsfares)

One-way from

$127
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$377
From Puerto Rico to Louisville Intl
Search Deals
One-way flight from Puerto Rico to Louisville Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 16, 2025.
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 12/24

6:28 pm-11:59 pm

1 stop6h 31m

Louisville Intl

Wed 12/31

5:05 am-11:58 am

1 stop5h 53m

$206

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 12/12

6:38 pm-11:59 pm

1 stop6h 21m

Louisville Intl

Tue 1/13

6:00 am-2:30 pm

1 stop7h 30m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 12/18

2:31 pm-12:16 am

2 stops10h 45m

Louisville Intl

Mon 12/29

7:24 pm-11:39 am

1 stop15h 15m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 12/12

11:00 am-9:49 pm

2 stops11h 49m

Louisville Intl

Tue 1/13

8:07 am-9:39 pm

1 stop12h 32m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 12/25

6:57 pm-8:50 am

2 stops14h 53m

Louisville Intl

Thu 1/1

6:19 pm-5:34 am

1 stop10h 15m

$231

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 12/11

6:00 am-10:31 am

2 stops29h 31m

Louisville Intl

Sun 12/14

11:55 am-12:16 am

2 stops11h 21m

$342

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 1/1

8:25 am-10:14 pm

1 stop14h 49m

Louisville Intl

Tue 1/13

6:00 am-6:22 pm

1 stop11h 22m

$351

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 12/31

10:03 pm-10:14 pm

2 stops25h 11m

$149

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 12/30

4:10 am-11:59 pm

1 stop20h 49m

$187

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 3/24

7:00 am-11:38 am

1 stop28h 38m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 16 results
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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.
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

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 $75). 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.

What is the cheapest time of day to fly from PR to SDF?

Find hourly flight availability from Puerto Rico to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 16, 2025.

It’s typically best to fly out from Puerto Rico to Louisville in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

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 November 16, 2025.
Read through reviews of airlines operating flights from Puerto Rico to Louisville, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,010 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • What airport do you fly into for flights to Louisville from Puerto Rico?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Louisville from Puerto Rico.

  • How long is the flight from Puerto Rico to Louisville?

    Departing from Puerto Rico to Louisville will take you 6h 21m. The distance from Puerto Rico to Louisville is about 1807 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Puerto Rico to Louisville that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Louisville.

  • Can I find deals for business class flights from Puerto Rico to Louisville?

    Yes. Cheapflights offers flight deals from Puerto Rico to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $75). 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.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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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.
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Top 3 airlines flying from Puerto Rico to Louisville

Discover the top 3 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 November 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$441FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$175Average$335FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$225Average$471FlexibilityNo cancel feeOn-time71%

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