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Luis Munoz Marin Intl

$69+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Round-trip from

$168
(Frontier)

One-way from

$69
(Frontier)

Popular in

December

Cheapest in

September

Average price

$344
From Kentucky to San Juan Luis Munoz Marin Intl
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One-way flight from Kentucky to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 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 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 October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:56 pmBNA - SJU
1 stop9h 53mFrontier
Thu 12/111:59 amSJU - BNA
1 stop14h 02mFrontier
Deal found 10/30$168
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Tue 11/186:45 amBNA - SJU
1 stop5h 57mMultiple Airlines
Sun 11/235:28 pmSJU - BNA
1 stop16h 34mMultiple Airlines
Deal found 10/29$209
This Delta deal was found by Cheapflights users on 10/30. 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 12/82:50 pmBNA - SJU
1 stop6h 30mDelta
Thu 12/116:38 pmSJU - BNA
1 stop6h 31mDelta
Deal found 10/30$215
This Delta deal was found by Cheapflights users on 10/30. 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 12/82:20 pmCVG - SJU
1 stop8h 00mDelta
Sat 12/137:19 amSJU - CVG
1 stop10h 50mDelta
Deal found 10/30$225
This Frontier deal was found by Cheapflights users on 10/29. 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 11/132:22 pmBNA - SJU
1 stop8h 19mFrontier
Sat 11/152:11 amSJU - BNA
1 stop13h 28mFrontier
Deal found 10/29$231
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Tue 12/28:05 pmCVG - SJU
1 stop21h 18mFrontier
Sat 12/68:00 amSJU - CVG
1 stop15h 48mFrontier
Deal found 10/30$232
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:01 pmCVG - SJU
1 stop8h 23mFrontier
Sat 11/2211:28 amSJU - CVG
1 stop10h 34mFrontier
Deal found 10/30$235
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:30 pmCVG - SJU
1 stop7h 24mFrontier
Fri 11/216:10 amSJU - CVG
1 stop8h 24mFrontier
Deal found 10/30$236
This Frontier deal was found by Cheapflights users on 10/29. 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.
Sat 11/81:00 pmCVG - SJU
1 stop12h 54mFrontier
Thu 11/1312:29 pmSJU - CVG
1 stop12h 42mFrontier
Deal found 10/29$237
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/811:15 amCVG - SJU
1 stop8h 45mUnited Airlines
Wed 11/122:20 pmSJU - CVG
1 stop7h 48mUnited Airlines
Deal found 10/30$245
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:49 amBNA - SJU
2 stops40h 05mMultiple Airlines
Mon 11/245:19 pmSJU - BNA
1 stop8h 23mMultiple Airlines
Deal found 10/28$249
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:00 amCVG - SJU
1 stop14h 52mAmerican Airlines
Sat 11/156:25 amSJU - CVG
1 stop10h 10mAmerican Airlines
Deal found 10/30$250

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 October 30, 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

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Mon 12/8

2:50 pm-11:20 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 12/11

6:38 pm-11:09 pm

1 stop6h 31m

$215

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Thu 11/13

8:00 am-11:52 pm

1 stop14h 52m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:25 am-3:35 pm

1 stop10h 10m

$250

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Sun 2/1

6:25 am-4:36 pm

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Mon 2/9

2:05 am-10:45 am

1 stop9h 40m

$252

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Sun 1/25

12:55 pm-9:50 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Sat 1/31

5:30 am-11:15 am

2 stops7h 45m

$255

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Mon 11/10

12:01 pm-9:24 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Fri 11/14

1:04 pm-11:59 pm

1 stop11h 55m

$256

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Mon 12/8

2:35 pm-12:36 am

1 stop8h 01m

San Juan Luis Munoz Marin Intl

Wed 12/10

2:05 am-9:06 am

1 stop9h 01m

$257

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 2/1

4:15 pm-12:05 am

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:05 am-12:40 pm

1 stop7h 35m

$265

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Mon 11/17

6:30 pm-2:54 am

1 stop7h 24m

San Juan Luis Munoz Marin Intl

Thu 11/20

3:59 am-11:15 am

1 stop8h 16m

$265

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Fri 12/5

2:56 pm-12:49 am

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sat 12/6

4:10 am-7:57 am

1 stop5h 47m

$287

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Mon 12/8

10:00 am-10:05 pm

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Fri 12/12

2:10 pm-8:45 pm

1 stop8h 35m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October 30, 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 $215, 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 1753 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 $84 on Frontier. Other airlines that offer cheap prices include American Airlines from $108 and Delta from $108 one-way.

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

    Most travelers choose Cincinnati Cinci./N. Kentucky - San Juan Luis Munoz Marin Intl, Nashville Intl - San Juan Luis Munoz Marin Intl or Louisville Intl - San Juan Luis Munoz Marin Intl when deciding on the best route 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
Luquillo
Humacao

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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.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$300FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$225Average$474FlexibilityNo cancel feeOn-time63%
DeltaCheapest$225Average$404FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$257Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$651FlexibilityNo cancel feeOn-time69%

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