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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
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 17, 2025.

Round-trip from

$265
(Delta)

One-way from

$113
(Delta)

Popular in

December

Cheapest in

August

Average price

$443
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. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:30 amSJU - SDF
1 stop6h 54mDelta
Tue 10/79:34 amSDF - SJU
1 stop6h 59mDelta
Deal found 9/16$265
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/148:20 amSJU - SDF
1 stop10h 48mAmerican Airlines
Wed 11/196:15 amSDF - SJU
2 stops8h 32mAmerican Airlines
Deal found 9/16$270
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/165:30 amSJU - SDF
1 stop12h 13mAmerican Airlines
Sun 10/197:33 amSDF - SJU
1 stop16h 26mAmerican Airlines
Deal found 9/15$271
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:49 amSJU - SDF
1 stop19h 58mMultiple Airlines
Sun 10/196:58 pmSDF - SJU
1 stop20h 18mMultiple Airlines
Deal found 9/16$299
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:59 amSJU - SDF
1 stop10h 05mMultiple Airlines
Mon 10/66:43 pmSDF - SJU
2 stops19h 29mMultiple Airlines
Deal found 9/16$302
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:30 amSJU - SDF
1 stop9h 35mDelta
Sat 10/47:10 amSDF - SJU
1 stop9h 21mDelta
Deal found 9/16$305
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:30 amSJU - SDF
1 stop10h 58mDelta
Tue 10/79:34 amSDF - SJU
1 stop6h 59mDelta
Deal found 9/16$315

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 17, 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 10/2

2:26 pm-11:52 pm

1 stop9h 26m

Louisville Intl

Tue 10/7

9:34 am-4:33 pm

1 stop6h 59m

$265

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 11/14

8:20 am-6:08 pm

1 stop10h 48m

Louisville Intl

Wed 11/19

6:15 am-3:47 pm

2 stops8h 32m

$270

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 10/16

5:30 am-5:43 pm

1 stop12h 13m

Louisville Intl

Sun 10/19

7:33 am-11:59 pm

1 stop16h 26m

$271

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 2/20

6:50 pm-10:54 am

2 stops17h 04m

Louisville Intl

Mon 2/23

5:59 am-2:43 pm

1 stop7h 44m

$285

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 9/30

7:30 am-5:05 pm

1 stop9h 35m

Louisville Intl

Sun 10/5

6:00 am-11:48 am

1 stop5h 48m

$305

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 9/30

7:30 am-5:05 pm

1 stop9h 35m

Louisville Intl

Fri 10/3

12:48 pm-10:00 pm

1 stop9h 12m

$355

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 11/13

3:59 am-11:45 pm

2 stops20h 46m

Louisville Intl

Wed 11/19

6:00 am-11:19 pm

1 stop16h 19m

$359

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 10/3

1:30 pm-11:00 pm

1 stop9h 30m

Louisville Intl

Tue 10/7

7:15 am-3:42 pm

1 stop8h 27m

$380

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 11/5

6:43 pm-12:01 am

1 stop6h 18m

$113

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 10/23

5:43 pm-12:01 am

1 stop6h 18m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, 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 17, 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 17, 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
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

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 9h 26m. 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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Alternative routes for Puerto Rico to Louisville

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$451FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$175Average$320FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$408FlexibilityNo cancel feeOn-time71%

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