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$113+ Cheap flights from Luis Munoz Marin Intl (SJU) 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(Delta)

One-way from

$113
(Delta)

Popular in

June

Cheapest in

August

Average price

$342
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Louisville Intl flights.
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From San Juan Luis Munoz Marin Intl to Louisville Intl
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One-way flight from San Juan Luis Munoz Marin Intl to Louisville Intl
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Highest demand for flights based on searches. 8% potential increase in price ($38 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 October 2025
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Find flight deals from Luis Munoz Marin Intl to Louisville

Cheapest flights from Luis Munoz Marin Intl to Louisville
Explore the most affordable flight options available from Luis Munoz Marin Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
vie. 12/121:55 pmSJU - SDF
1 stop11h 04mDelta
mar. 1/136:00 amSDF - SJU
1 stop6h 04mDelta
Deal found 10/28$225
This American Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 12/126:00 amSJU - SDF
2 stops10h 32mAmerican Airlines
mar. 1/137:20 pmSDF - SJU
2 stops16h 10mAmerican Airlines
Deal found 10/27$230
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mar. 12/236:00 amSJU - SDF
1 stop30h 25mMultiple Airlines
lun. 1/58:53 pmSDF - SJU
1 stop25h 56mMultiple Airlines
Deal found 10/27$241
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mar. 12/236:00 amSJU - SDF
1 stop30h 25mMultiple Airlines
mar. 1/612:20 pmSDF - SJU
1 stop10h 29mMultiple Airlines
Deal found 10/27$247
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/226:00 amSJU - SDF
1 stop30h 25mMultiple Airlines
lun. 1/58:53 pmSDF - SJU
1 stop25h 56mMultiple Airlines
Deal found 10/27$263
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/36:25 amSJU - SDF
1 stop12h 26mAmerican Airlines
sáb. 12/611:43 amSDF - SJU
1 stop11h 09mAmerican Airlines
Deal found 10/28$265
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/226:00 amSJU - SDF
1 stop30h 25mMultiple Airlines
mar. 1/612:20 pmSDF - SJU
1 stop10h 29mMultiple Airlines
Deal found 10/27$270
This American Airlines deal was found by Cheapflights users on 10/27. 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.
jue. 12/258:35 pmSJU - SDF
1 stop15h 13mAmerican Airlines
jue. 1/15:00 amSDF - SJU
1 stop5h 39mAmerican Airlines
Deal found 10/27$271
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mar. 12/236:00 amSJU - SDF
1 stop30h 25mMultiple Airlines
vie. 1/96:54 pmSDF - SJU
1 stop27h 55mMultiple Airlines
Deal found 10/27$273
This American Airlines deal was found by Cheapflights users on 10/27. 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.
mié. 12/245:24 amSJU - SDF
2 stops13h 57mAmerican Airlines
mar. 1/66:00 amSDF - SJU
1 stop11h 22mAmerican Airlines
Deal found 10/27$285
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
dom. 12/217:35 amSJU - SDF
1 stop28h 50mMultiple Airlines
lun. 1/58:53 pmSDF - SJU
1 stop25h 56mMultiple Airlines
Deal found 10/27$291

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl 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 octubre 28, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Louisville that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Louisville

Route

Depart

Return

Price

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

vie. 12/12

1:55 pm-11:59 pm

1 stop11h 04m

Louisville Intl

mar. 1/13

6:00 am-1:04 pm

1 stop6h 04m

$225

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

vie. 12/12

2:36 pm-11:54 pm

2 stops10h 18m

Louisville Intl

mar. 1/13

7:20 pm-12:30 pm

2 stops16h 10m

$230

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

mié. 11/12

2:20 pm-11:54 pm

1 stop10h 34m

Louisville Intl

dom. 11/16

7:00 am-3:40 pm

1 stop7h 40m

$305

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

mar. 1/13

4:05 pm-9:50 pm

1 stop6h 45m

Louisville Intl

sáb. 1/17

1:20 pm-12:10 am

2 stops9h 50m

$325

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

vie. 2/20

4:50 pm-10:54 am

2 stops19h 04m

Louisville Intl

lun. 2/23

3:50 pm-10:35 pm

1 stop5h 45m

$338

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

vie. 12/5

6:40 am-4:35 pm

2 stops10h 55m

Louisville Intl

sáb. 12/13

3:30 pm-11:00 pm

1 stop6h 30m

$342

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

dom. 12/21

6:00 am-1:18 pm

1 stop8h 18m

$113

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

jue. 12/18

3:32 pm-9:31 pm

1 stop6h 59m

$113

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

vie. 12/19

6:00 am-1:18 pm

1 stop8h 18m

$113

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

jue. 12/18

5:24 am-3:12 pm

2 stops10h 48m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Louisville in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to Louisville

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville?

Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville (average of $73). Flying from San Juan Luis Munoz Marin Intl Airport 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 SJU to SDF?

Find hourly flight availability from Luis Munoz Marin Intl 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 octubre 28, 2025.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to Louisville is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.

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 octubre 28, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from San Juan Luis Munoz Marin Intl Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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 Luis Munoz Marin Intl 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 Luis Munoz Marin Intl?

    For a flight from San Juan Luis Munoz Marin Intl to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 0 inbound flights from San Juan Luis Munoz Marin Intl per day. 3 airlines have flights to Louisville Intl from San Juan Luis Munoz Marin Intl on a regular basis.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Louisville?

    Delta and American Airlines can get you from San Juan Luis Munoz Marin Intl Airport to Louisville in just under 10h 18m. Your travel time can differ by up to 46m. The distance from San Juan Luis Munoz Marin Intl Airport 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.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Louisville round-trip?

    According to our current data, Delta ($138), Southwest ($175), and American Airlines ($255) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to Louisville. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Louisville for 65% less than the average price by searching for these airlines.

  • Can I find deals for flights from Luis Munoz Marin Intl to Louisville that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Louisville?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Louisville?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to Louisville?

    Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville (average of $73). Flying from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Nashville flights
Luis Munoz Marin Intl to Knoxville flights
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Top 3 airlines flying from Luis Munoz Marin Intl to Louisville

Discover the top 3 airlines that operate flights from Luis Munoz Marin Intl 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$451FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$175Average$335FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$417FlexibilityNo cancel feeOn-time71%

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