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Puerto Rico

$113+ Cheap flights from Louisville (SDF) to Puerto Rico

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Louisville to Puerto Rico

Keep the following information in mind while searching for Louisville to Puerto Rico flight deals. Data was last updated May 1, 2025.

Round-trip from

$225
(Delta)

One-way from

$113
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$381
From Louisville Intl to Puerto Rico
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One-way flight from Louisville Intl to Puerto Rico
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Highest demand for flights based on searches. 7% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Louisville to Puerto Rico

Cheapest flights from Louisville to Puerto Rico
Explore the most affordable flight options available from Louisville to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/306:00 amSDF - SJU
1 stop10h 38mDelta
Thu 7/106:15 amSJU - SDF
1 stop8h 01mDelta
Deal found 4/30$225
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:34 pmSDF - SJU
1 stop7h 57mSpirit Airlines
Wed 6/188:24 pmSJU - SDF
1 stop27h 14mSpirit Airlines
Deal found 4/30$253
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 10/138:28 pmSDF - SJU
1 stop14h 22mAmerican Airlines
Tue 10/283:50 pmSJU - SDF
1 stop6h 04mAmerican Airlines
Deal found 5/1$255
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/311:00 amSDF - SJU
2 stops12h 57mUnited Airlines
Sat 5/107:25 amSJU - SDF
1 stop7h 05mUnited Airlines
Deal found 4/30$463
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 8/2211:40 amSDF - SJU
2 stops9h 05mSouthwest
Tue 8/265:00 amSJU - SDF
1 stop6h 10mSouthwest
Deal found 4/30$475
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:19 pmSDF - SJU
2 stops25h 21mMultiple Airlines
Wed 5/71:55 pmSJU - SDF
3 stops29h 29mMultiple Airlines
Deal found 4/30$504

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Puerto Rico 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 May 1, 2025.
Use the filters below to find and compare flights from Louisville to Puerto Rico that are best for you.

Fly from

Louisville

Fly to

Puerto Rico

Route

Depart

Return

Price

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 6/30

6:00 am-4:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Thu 7/10

6:15 am-2:16 pm

1 stop8h 01m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 6/14

5:34 pm-1:31 am

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Wed 6/18

8:24 pm-11:38 pm

1 stop27h 14m

$253

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 10/13

8:28 pm-10:50 am

1 stop14h 22m

San Juan Luis Munoz Marin Intl

Tue 10/28

3:50 pm-9:54 pm

1 stop6h 04m

$255

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 10/13

6:15 am-1:45 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Mon 10/27

1:05 am-4:49 pm

2 stops15h 44m

$465

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 8/22

11:40 am-8:45 pm

2 stops9h 05m

San Juan Luis Munoz Marin Intl

Tue 8/26

5:00 am-11:10 am

1 stop6h 10m

$475

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 5/15

6:57 pm-12:54 am

3 stops29h 57m

San Juan Luis Munoz Marin Intl

Mon 5/19

12:36 pm-12:03 pm

3 stops23h 27m

$529

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 8/18

5:57 pm-12:05 am

1 stop6h 08m

$113

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 6/17

5:03 am-7:19 pm

1 stop14h 16m

$132

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 6/17

11:10 am-11:57 pm

2 stops12h 47m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Louisville to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Louisville 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 Louisville to Puerto Rico

What is the cheapest month to book a flight from Louisville to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Louisville to Puerto Rico (average of $254). Flying from Louisville to Puerto Rico in December is currently the most expensive (average of $336). 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 SDF to PR?

Find hourly flight availability from Louisville to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Louisville to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

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

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

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

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Louisville to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,963 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Puerto Rico. 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 from for flights from Louisville to Puerto Rico?

    For a flight from Louisville to Puerto Rico, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $113. Users have also found prices from $132 and $253 on Spirit Airlines and United Airlines, respectively.

  • What are the most popular routes from Louisville to Puerto Rico?

    When deciding which route to take from Louisville to Puerto Rico consider Louisville Intl - San Juan Luis Munoz Marin Intl, Louisville Intl - Culebra or Louisville Intl - Vieques as they are the most popular.

  • Can I find deals for flights from Louisville to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Louisville to Puerto Rico?

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

  • Can I find deals for business class flights from Louisville to Puerto Rico?

    Yes. Cheapflights offers flight deals from Louisville to Puerto Rico 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 Louisville to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Puerto Rico (average of $254). Flying from Louisville to Puerto Rico in December is currently the most expensive (average of $336). 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

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Alternative routes for Louisville to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Louisville to Puerto Rico

Discover the top 5 airlines that operate flights from Louisville to Puerto Rico. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$179Average$299FlexibilityNo cancel feeOn-time65%
DeltaCheapest$254Average$375FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$271Average$477FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$559FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$582FlexibilityNo cancel feeOn-time63%

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