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$108+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Louisville Intl are usually found in January or February, booked 10 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$245
(Delta)

One-way from

$108
(Delta)

Popular in

May

Cheapest in

January

Average price

$391
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. 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 April 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 April 24, 2025.

This eDestinos deal was found by Cheapflights users on 4/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:25 amSJU - SDF
1 stop12h 52mSpirit Airlines
Mon 5/55:05 amSDF - SJU
1 stop10h 30mSpirit Airlines
Deal found 4/23$236
This Delta deal was found by Cheapflights users on 4/23. 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 8/212:39 pmSJU - SDF
1 stop7h 53mDelta
Mon 8/256:00 amSDF - SJU
1 stop7h 29mDelta
Deal found 4/23$245
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/211:50 amSJU - SDF
2 stops10h 45mAmerican Airlines
Mon 5/56:07 amSDF - SJU
2 stops8h 53mAmerican Airlines
Deal found 4/23$275
This Southwest deal was found by Cheapflights users on 4/23. 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 8/205:00 amSJU - SDF
2 stops10h 15mSouthwest
Mon 8/254:20 pmSDF - SJU
1 stop7h 10mSouthwest
Deal found 4/23$310
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:56 amSJU - SDF
1 stop13h 21mMultiple Airlines
Sun 5/49:04 amSDF - SJU
1 stop10h 36mMultiple Airlines
Deal found 4/23$361
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/91:05 amSJU - SDF
2 stops12h 20mUnited Airlines
Sun 5/257:00 amSDF - SJU
1 stop7h 44mUnited Airlines
Deal found 4/23$430

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 April 24, 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

Thu 8/21

2:39 pm-10:32 pm

1 stop7h 53m

Louisville Intl

Mon 8/25

6:00 am-1:29 pm

1 stop7h 29m

$245

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 5/7

1:59 am-10:18 am

1 stop8h 19m

Louisville Intl

Sun 5/11

11:23 am-12:54 am

1 stop13h 31m

$273

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 5/9

6:30 am-9:39 pm

1 stop15h 09m

Louisville Intl

Tue 5/13

6:15 am-2:40 pm

1 stop8h 25m

$275

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 8/20

5:00 am-3:15 pm

2 stops10h 15m

Louisville Intl

Mon 8/25

4:20 pm-11:30 pm

1 stop7h 10m

$310

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 5/9

1:05 am-1:25 pm

2 stops12h 20m

Louisville Intl

Sun 5/25

7:00 am-2:44 pm

1 stop7h 44m

$430

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 5/29

1:55 pm-9:26 pm

1 stop7h 31m

$108

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Wed 5/28

1:33 am-7:24 pm

1 stop17h 51m

$112

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Sat 5/31

2:10 pm-9:56 pm

1 stop7h 46m

$133

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 8/21

5:00 am-2:50 pm

2 stops9h 50m

$203

San JuanLouisville

SJU - SDF

SJUSDF

San Juan Luis Munoz Marin Intl

Mon 5/5

1:05 am-1:25 pm

2 stops12h 20m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Louisville flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Louisville. Price data was last updated on April 18, 2025.

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville (average of $299). Flying from San Juan Luis Munoz Marin Intl Airport 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 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 April 24, 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 54% on airfare.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Louisville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Louisville flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 24, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Juan to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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. 2 airlines have flights to Louisville Intl from San Juan Luis Munoz Marin Intl on a regular basis.

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

    According to our current data, Delta ($245), Spirit Airlines ($273), and American Airlines ($275) 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 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Louisville one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $108. Users have also found prices from $112 and $133 on Spirit Airlines and American Airlines, respectively.

  • 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, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Louisville (average of $299). Flying from San Juan Luis Munoz Marin Intl Airport 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Jeffersonville
Corydon
Elizabethtown
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 Cincinnati flights
Luis Munoz Marin Intl to Knoxville flights

Top 2 airlines flying from Luis Munoz Marin Intl to Louisville

Discover the top 2 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$305Average$455FlexibilityNo cancel feeOn-time71%

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