Louisville

$158+ Cheap flights from San Juan 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Jul 10 — Jul 171
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Cheap flight deals from San Juan to Louisville

Cheapest flights from San Juan to Louisville
Explore the most affordable flight options available from San Juan to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This American Airlines deal was found by Cheapflights users on 6/10. 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 8/271:38 pm
SJU
-
SDF
2 stops9h 33m
American Airlines
Sun 8/308:30 am
SDF
-
SJU
1 stop6h 23m
American Airlines
Deal found 6/10$220
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
SJU
-
SDF
1 stop11h 55m
American Airlines
Tue 8/182:36 pm
SDF
-
SJU
1 stop9h 23m
American Airlines
Deal found 6/8$290
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:01 pm
SJU
-
SDF
1 stop17h 31m
Multiple Airlines
Mon 8/3111:19 am
SDF
-
SJU
1 stop28h 39m
Multiple Airlines
Deal found 6/7$307
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:20 pm
SJU
-
SDF
1 stop7h 55m
United Airlines
Sat 8/227:10 am
SDF
-
SJU
2 stops13h 28m
United Airlines
Deal found 6/9$310
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:59 pm
SJU
-
SDF
1 stop7h 09m
Delta
Fri 9/43:25 pm
SDF
-
SJU
1 stop7h 04m
Delta
Deal found 6/10$316
This Southwest deal was found by Cheapflights users on 6/6. 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.
Wed 9/911:50 am
SJU
-
SDF
2 stops9h 40m
Southwest
Sun 9/134:05 pm
SDF
-
SJU
2 stops8h 25m
Southwest
Deal found 6/6$321
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 12/22:05 pm
SJU
-
SDF
1 stop6h 08m
American Airlines
Tue 12/86:50 am
SDF
-
SJU
1 stop16h 02m
American Airlines
Deal found 6/7$322
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/271:38 pm
SJU
-
SDF
2 stops9h 33m
American Airlines
Fri 9/48:16 am
SDF
-
SJU
1 stop15h 43m
American Airlines
Deal found 6/10$352
This Delta deal was found by Cheapflights users on 6/7. 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 7/212:54 pm
SJU
-
SDF
1 stop6h 30m
Delta
Sun 7/510:02 am
SDF
-
SJU
1 stop10h 41m
Delta
Deal found 6/7$353

Find flight deals from San Juan to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.

Round-trip from

$220
(American Airlines)

One-way from

$158
(Delta)

Popular in

April

Cheapest in

February

Average price

$494
From San Juan to Louisville Intl
One-way flight from San Juan to Louisville Intl
Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 June 10, 2026.
Use the filters below to find and compare flights from San Juan to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 8/27

1:38 pm-11:11 pm

2 stops9h 33m

Louisville Intl

Sun 8/30

8:30 am-2:53 pm

1 stop6h 23m

$220

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 8/19

2:20 pm-10:15 pm

1 stop7h 55m

Louisville Intl

Sat 8/22

7:10 am-8:38 pm

2 stops13h 28m

$310

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 8/27

2:59 pm-10:08 pm

1 stop7h 09m

Louisville Intl

Sat 8/29

6:00 am-11:46 am

1 stop5h 46m

$316

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 8/27

5:49 pm-12:34 am

1 stop6h 45m

Louisville Intl

Fri 9/4

3:25 pm-10:29 pm

1 stop7h 04m

$326

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 7/17

10:20 pm-11:15 am

1 stop12h 55m

Louisville Intl

Sun 7/26

6:35 pm-12:30 am

1 stop5h 55m

$376
Quickest round-trip

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 6/25

5:56 pm-12:32 am

1 stop6h 36m

Louisville Intl

Tue 6/30

6:00 am-11:44 am

1 stop5h 44m

$413

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 6/26

5:30 am-4:25 pm

1 stop10h 55m

Louisville Intl

Sun 6/28

6:35 pm-12:25 am

1 stop5h 50m

$416

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 7/24

5:50 pm-12:26 am

1 stop6h 36m

Louisville Intl

Fri 7/31

10:00 am-8:45 pm

1 stop10h 45m

$436

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 7/24

2:42 pm-12:26 am

1 stop9h 44m

Louisville Intl

Sat 8/1

11:17 am-8:45 pm

1 stop9h 28m

$436

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 7/24

6:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 8/2

10:00 am-8:45 pm

1 stop10h 45m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from San Juan to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from San Juan 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 San Juan to Louisville

What is the cheapest month to book a flight from San Juan to Louisville?

Currently, March is the cheapest month in which you can book a flight from San Juan to Louisville (average of $108). Flying from San Juan to Louisville in April is currently the most expensive (average of $365). 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.

How much does it cost to fly round-trip from San Juan to Louisville?

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 June 10, 2026.
Read through reviews of airlines operating flights from San Juan to Louisville, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    If you book a flight to Louisville from San Juan, you will be flying to Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville. There are 0 flights from San Juan to Louisville Intl per day from 3 different airlines.

  • How long is the flight from San Juan to Louisville?

    There are many flights that can get you from San Juan to Louisville in 7h 09m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. The distance between San Juan and Louisville is about 1807 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Juan to Louisville round-trip?

    Cheapflights users have booked flights from San Juan to Louisville round-trip from $199. Other airlines that can offer you cheap pricing are Southwest, from $205, and American Airlines, from $226. These flights start at 48% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Juan to Louisville one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $112. Users have also found prices from $112 and $138 on Delta and Southwest, respectively.

  • Can I find deals for flights from San Juan to Louisville that include hotel bookings?

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

  • How can I find direct flights from San Juan to Louisville?

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

  • Can I find deals for business class flights from San Juan to Louisville?

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Louisville?

    Currently, March is the cheapest month in which you can book a flight from San Juan to Louisville (average of $108). Flying from San Juan to Louisville in April is currently the most expensive (average of $365). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

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Alternative routes for San Juan to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from San Juan to Louisville

Discover the top 3 airlines that operate flights from San Juan 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$455FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$205Average$405FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$511FlexibilityNo cancel feeOn-time71%

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