Luis Munoz Marin Intl

$84+ Cheap flights from Kentucky to Luis Munoz Marin Intl (SJU)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Jan 14 — Jan 211
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Cheap flight deals from Kentucky to Luis Munoz Marin Intl

Cheapest flights from Kentucky to Luis Munoz Marin Intl
Explore the most affordable flight options available from Kentucky to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:16 pmCVG - SJU
1 stop6h 34mFrontier
Thu 1/87:35 amSJU - CVG
1 stop11h 52mFrontier
Deal found 12/15$232
This Priceline deal was found by Cheapflights users on 12/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:57 amCVG - SJU
1 stop21h 42mFrontier
Thu 12/253:21 pmSJU - CVG
1 stop26h 16mFrontier
Deal found 12/13$243
This CheapOair deal was found by Cheapflights users on 12/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:05 amCVG - SJU
1 stop20h 45mFrontier
Thu 1/87:35 amSJU - CVG
1 stop11h 52mFrontier
Deal found 12/13$248
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:48 amBNA - SJU
1 stop15h 36mMultiple Airlines
Sat 1/176:00 amSJU - BNA
1 stop12h 55mMultiple Airlines
Deal found 12/13$254
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:30 amCVG - SJU
1 stop7h 01mFrontier
Mon 12/223:55 amSJU - CVG
1 stop7h 57mFrontier
Deal found 12/15$264
This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:01 pmCVG - SJU
1 stop7h 49mFrontier
Sun 12/213:55 amSJU - CVG
1 stop7h 57mFrontier
Deal found 12/13$276
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:57 amCVG - SJU
1 stop21h 42mFrontier
Mon 12/296:00 amSJU - CVG
1 stop12h 44mFrontier
Deal found 12/15$283
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:14 amBNA - SJU
1 stop8h 51mSpirit Airlines
Fri 5/13:43 pmSJU - BNA
1 stop6h 54mSpirit Airlines
Deal found 12/13$296
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amCVG - SJU
1 stop17h 54mFrontier
Thu 1/87:35 amSJU - CVG
1 stop11h 52mFrontier
Deal found 12/15$297
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amCVG - SJU
1 stop9h 54mFrontier
Tue 12/307:00 amSJU - CVG
1 stop13h 18mFrontier
Deal found 12/15$305
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:01 pmCVG - SJU
1 stop7h 49mFrontier
Thu 1/87:35 amSJU - CVG
1 stop11h 52mFrontier
Deal found 12/15$317
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:48 amBNA - SJU
1 stop15h 36mMultiple Airlines
Fri 12/264:10 amSJU - BNA
1 stop7h 59mMultiple Airlines
Deal found 12/13$325

Find flight deals from Kentucky to Luis Munoz Marin Intl

Keep the following information in mind while searching for Kentucky to Luis Munoz Marin Intl flight deals. Data was last updated December 15, 2025.

Round-trip from

$219
(Kiwi.com)

One-way from

$84
(Super.com)

Popular in

December

Cheapest in

September

Average price

$565
From Kentucky to San Juan Luis Munoz Marin Intl
One-way flight from Kentucky to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Luis Munoz Marin Intl 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 15, 2025.
Use the filters below to find and compare flights from Kentucky to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Kentucky

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/10

11:59 am-11:44 pm

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Sat 1/17

12:14 pm-5:53 pm

1 stop30h 39m

$219

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 1/24

5:35 am-1:05 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:27 pm-11:50 pm

1 stop6h 23m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 1/19

6:00 am-5:03 pm

2 stops10h 03m

San Juan Luis Munoz Marin Intl

Fri 1/23

8:20 am-6:39 pm

2 stops11h 19m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 1/28

9:15 am-9:26 pm

1 stop11h 11m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:15 pm-11:23 pm

1 stop10h 08m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 1/27

5:35 am-1:06 pm

1 stop6h 31m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:27 pm-11:50 pm

1 stop6h 23m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 3/2

5:35 am-3:40 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:05 am-1:17 pm

2 stops12h 12m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 1/28

5:35 am-1:06 pm

1 stop6h 31m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:27 pm-11:50 pm

1 stop6h 23m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 1/28

5:35 am-1:06 pm

1 stop6h 31m

San Juan Luis Munoz Marin Intl

Thu 2/5

6:27 pm-11:50 pm

1 stop6h 23m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 1/28

5:35 am-1:06 pm

1 stop6h 31m

San Juan Luis Munoz Marin Intl

Wed 2/4

6:27 pm-11:50 pm

1 stop6h 23m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 1/25

5:35 am-5:17 pm

1 stop10h 42m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:27 pm-11:50 pm

1 stop6h 23m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Luis Munoz Marin Intl

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

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

Currently, March is the cheapest month in which you can book a flight from Kentucky to San Juan Luis Munoz Marin Intl Airport (average of $190). Flying from Kentucky to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $285). 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 KY to SJU?

Find hourly flight availability from Kentucky to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

It’s optimal to fly from Kentucky to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Kentucky to San Juan Luis Munoz Marin Intl Airport?

    For as low as $225, Delta can have you in San Juan Luis Munoz Marin Intl Airport from Kentucky in 6h 30m. The distance between Kentucky and San Juan Luis Munoz Marin Intl Airport is about 1807 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $86 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $112 and United Airlines from $138 one-way.

  • What are the most popular routes from Kentucky to San Juan Luis Munoz Marin Intl Airport?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky to Luis Munoz Marin Intl 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 Kentucky to San Juan Luis Munoz Marin Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Kentucky to San Juan Luis Munoz Marin Intl Airport (average of $190). Flying from Kentucky to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $285). 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
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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Alternative routes for Kentucky to Luis Munoz Marin Intl

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

Top 5 airlines flying from Kentucky to Luis Munoz Marin Intl

Discover the top 5 airlines that operate flights from Kentucky to Luis Munoz Marin Intl. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$298FlexibilityNo cancel feeOn-time65%
DeltaCheapest$218Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$471FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$259Average$545FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$262Average$514FlexibilityNo cancel feeOn-time71%

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