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$97+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/17. 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 12/266:00 amSJU - SDF
1 stop8h 30mAmerican Airlines
Tue 12/307:24 pmSDF - SJU
1 stop15h 15mAmerican Airlines
Deal found 12/17$305
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/258:25 amSJU - SDF
1 stop7h 47mAmerican Airlines
Thu 1/15:00 amSDF - SJU
1 stop5h 39mAmerican Airlines
Deal found 12/16$311
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:10 amSJU - SDF
1 stop10h 18mUnited Airlines
Sun 1/116:12 pmSDF - SJU
2 stops10h 59mUnited Airlines
Deal found 12/16$353
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2610:15 amSJU - SDF
1 stop10h 44mUnited Airlines
Tue 12/309:05 amSDF - SJU
2 stops12h 17mUnited Airlines
Deal found 12/17$392
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/186:15 pmSJU - SDF
1 stop15h 35mAmerican Airlines
Mon 12/297:24 pmSDF - SJU
1 stop15h 15mAmerican Airlines
Deal found 12/17$402
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/266:00 amSJU - SDF
1 stop18h 59mMultiple Airlines
Tue 12/302:55 pmSDF - SJU
2 stops10h 55mMultiple Airlines
Deal found 12/16$405

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 December 18, 2025.

Round-trip from

$230
(American Airlines)

One-way from

$97
(WAYA)

Popular in

June

Cheapest in

October

Average price

$349
From Puerto Rico to Louisville Intl
Search Deals
One-way flight from Puerto Rico to Louisville Intl
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Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 18, 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 3/25

7:40 am-12:27 am

1 stop16h 47m

Louisville Intl

Sun 3/29

7:57 pm-12:53 pm

1 stop16h 56m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 3/26

7:40 am-7:07 pm

1 stop11h 27m

Louisville Intl

Sun 3/29

7:57 pm-12:53 pm

1 stop16h 56m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 5/13

6:25 am-11:41 pm

1 stop17h 16m

Louisville Intl

Mon 5/18

6:31 pm-4:00 am

1 stop9h 29m

$265

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 5/13

5:35 am-2:45 pm

2 stops9h 10m

Louisville Intl

Mon 5/18

4:45 pm-11:40 pm

1 stop6h 55m

$345

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 1/1

6:28 pm-11:59 pm

1 stop6h 31m

Louisville Intl

Mon 1/12

1:55 pm-11:33 pm

1 stop8h 38m

$355

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Sun 1/25

7:07 am-8:47 pm

1 stop14h 40m

Louisville Intl

Sat 2/7

6:55 am-11:56 pm

1 stop16h 01m

$375

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 2/19

8:10 am-2:47 pm

1 stop7h 37m

Louisville Intl

Sat 2/21

5:54 pm-6:11 am

2 stops11h 17m

$405

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 1/14

6:00 am-1:00 pm

1 stop8h 00m

$111

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 1/16

8:20 am-2:48 pm

1 stop7h 28m

$113

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 1/13

8:10 am-8:28 pm

2 stops13h 18m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 15 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 $97). 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 December 18, 2025.

It’s typically best to fly out from Puerto Rico to Louisville in the evening. Doing so could potentially save you 47% 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 December 18, 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
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 16h 47m. The distance from Puerto Rico to Louisville is about 1807 mi.

  • What are the cheapest airlines to fly from Puerto Rico to Louisville one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $110. American Airlines flights start at $112 while deals on Southwest start at $138 one-way.

  • 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 $97). 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?

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Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$385FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$175Average$335FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$225Average$475FlexibilityNo cancel feeOn-time71%

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