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$113+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Sep 12 — Sep 191
Fri 9/12
Fri 9/19
1 adult, Economy
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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 September 7, 2025.

Round-trip from

$225
(Delta)

One-way from

$113
(Delta)

Popular in

June

Cheapest in

January

Average price

$421
From Puerto Rico to Louisville Intl
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One-way flight from Puerto Rico to Louisville Intl
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Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 7, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:57 pmSJU - SDF
1 stop11h 09mDelta
Tue 11/183:09 pmSDF - SJU
1 stop7h 04mDelta
Deal found 9/7$225
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.
Tue 10/287:05 amSJU - SDF
2 stops10h 38mAmerican Airlines
Fri 10/317:33 amSDF - SJU
1 stop16h 26mAmerican Airlines
Deal found 9/6$230
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.
Thu 10/165:30 amSJU - SDF
1 stop15h 47mAmerican Airlines
Wed 10/228:18 amSDF - SJU
1 stop13h 52mAmerican Airlines
Deal found 9/7$246
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.
Thu 10/165:30 amSJU - SDF
1 stop15h 47mAmerican Airlines
Sun 10/197:33 amSDF - SJU
1 stop16h 26mAmerican Airlines
Deal found 9/6$251
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.
Thu 10/95:30 amSJU - SDF
1 stop9h 32mAmerican Airlines
Sun 10/1212:22 pmSDF - SJU
1 stop11h 37mAmerican Airlines
Deal found 9/7$285
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/246:10 amSJU - SDF
2 stops17h 05mAmerican Airlines
Sat 9/277:09 pmSDF - SJU
2 stops16h 02mAmerican Airlines
Deal found 9/5$286
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.
Tue 12/26:40 amSJU - SDF
2 stops10h 55mSouthwest
Sat 12/63:30 pmSDF - SJU
1 stop6h 30mSouthwest
Deal found 9/6$325
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/204:45 pmSJU - SDF
1 stop6h 30mAmerican Airlines
Wed 9/246:00 amSDF - SJU
2 stops12h 14mAmerican Airlines
Deal found 9/5$330
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.
Fri 10/105:30 amSJU - SDF
1 stop12h 13mAmerican Airlines
Mon 10/133:35 pmSDF - SJU
1 stop8h 24mAmerican Airlines
Deal found 9/6$342

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 September 7, 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

Thu 11/13

1:57 pm-12:06 am

1 stop11h 09m

Louisville Intl

Tue 11/18

3:09 pm-11:13 pm

1 stop7h 04m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 10/28

6:10 am-6:05 pm

1 stop11h 55m

Louisville Intl

Fri 10/31

2:20 pm-9:35 pm

1 stop7h 15m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 11/13

2:20 pm-11:40 pm

1 stop10h 20m

Louisville Intl

Tue 11/18

9:00 am-10:22 pm

2 stops12h 22m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 11/13

2:47 pm-12:22 am

2 stops10h 35m

Louisville Intl

Tue 11/18

6:01 am-5:52 pm

2 stops10h 51m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 10/28

7:05 am-5:43 pm

2 stops10h 38m

Louisville Intl

Fri 10/31

7:33 am-11:59 pm

1 stop16h 26m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 10/16

5:30 am-9:17 pm

1 stop15h 47m

Louisville Intl

Wed 10/22

8:18 am-10:10 pm

1 stop13h 52m

$246

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 10/16

5:30 am-9:17 pm

1 stop15h 47m

Louisville Intl

Sun 10/19

7:33 am-11:59 pm

1 stop16h 26m

$251

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 10/9

5:30 am-3:02 pm

1 stop9h 32m

Louisville Intl

Sun 10/12

12:22 pm-11:59 pm

1 stop11h 37m

$285

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 9/24

6:10 am-11:15 pm

2 stops17h 05m

Louisville Intl

Sat 9/27

7:09 pm-11:11 am

2 stops16h 02m

$286

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 2/20

7:20 am-9:08 pm

1 stop14h 48m

Louisville Intl

Mon 2/23

12:00 pm-10:35 pm

2 stops9h 35m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 19 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, January is the cheapest month in which you can book a flight from Puerto Rico to Louisville (average of $299). Flying from Puerto Rico to Louisville in April is currently the most expensive (average of $369). 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 September 7, 2025.

When flying from Puerto Rico to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 7, 2025.
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.
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
4,247 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
8.0
Very good
7,972 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
United Airlines
7.4
Good
8,940 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
10,000 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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 10h 20m. 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, January is the cheapest month in which you can book a flight from Puerto Rico to Louisville (average of $299). Flying from Puerto Rico to Louisville in April is currently the most expensive (average of $369). 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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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 September 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$451FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$175Average$335FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$232Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$255Average$400FlexibilityNo cancel feeOn-time71%

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