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San Juan

$87+ Cheap flights from Kentucky to San Juan

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Kentucky to San Juan

Cheapest flights from Kentucky to San Juan
Explore the most affordable flight options available from Kentucky to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Frontier deal was found by Cheapflights users on 1/29. 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 5/24:26 pm
CVG
-
SJU
1 stop9h 35m
Frontier
Wed 5/611:07 am
SJU
-
CVG
1 stop12h 13m
Frontier
Deal found 1/29$212
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:14 pm
CVG
-
SJU
1 stop6h 39m
Frontier
Tue 2/243:53 am
SJU
-
CVG
1 stop11h 17m
Frontier
Deal found 1/27$213
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:19 pm
SDF
-
SJU
1 stop8h 50m
Spirit Airlines
Wed 3/46:00 am
SJU
-
SDF
1 stop7h 21m
Spirit Airlines
Deal found 1/27$215
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:20 pm
CVG
-
SJU
1 stop10h 33m
Frontier
Wed 3/116:30 am
SJU
-
CVG
1 stop18h 11m
Frontier
Deal found 1/28$216
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:54 pm
BNA
-
SJU
1 stop6h 15m
Spirit Airlines
Sat 3/711:52 am
SJU
-
BNA
1 stop20h 33m
Spirit Airlines
Deal found 1/27$217
This Priceline deal was found by Cheapflights users on 1/26. 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 4/102:26 pm
CVG
-
SJU
1 stop9h 14m
Frontier
Fri 4/243:08 am
SJU
-
CVG
1 stop14h 42m
Frontier
Deal found 1/26$217
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Wed 3/49:25 am
BNA
-
SJU
1 stop11h 44m
Spirit Airlines
Wed 3/1110:52 am
SJU
-
BNA
1 stop13h 38m
Spirit Airlines
Deal found 1/26$219
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:00 am
BNA
-
SJU
1 stop13h 43m
Frontier
Mon 3/93:08 am
SJU
-
BNA
1 stop8h 33m
Frontier
Deal found 1/28$220
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 2/231:07 pm
CVG
-
SJU
2 stops25h 24m
Multiple Airlines
Thu 2/266:00 am
SJU
-
CVG
1 stop11h 37m
Multiple Airlines
Deal found 1/28$220
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 3/42:54 pm
BNA
-
SJU
1 stop7h 49m
Multiple Airlines
Sat 3/74:41 pm
SJU
-
BNA
1 stop15h 44m
Multiple Airlines
Deal found 1/27$221
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:19 pm
SDF
-
SJU
1 stop8h 50m
Spirit Airlines
Wed 2/256:00 am
SJU
-
SDF
1 stop7h 21m
Spirit Airlines
Deal found 1/27$222
This Priceline deal was found by Cheapflights users on 1/26. 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 2/210:32 am
BNA
-
SJU
1 stop24h 13m
Frontier
Thu 2/512:55 pm
SJU
-
BNA
1 stop22h 42m
Frontier
Deal found 1/26$224

Find flight deals from Kentucky to San Juan

Keep the following information in mind while searching for Kentucky to San Juan flight deals. Data was last updated January 29, 2026.

Round-trip from

$212
(Frontier)

One-way from

$87
(Priceline)

Popular in

December

Cheapest in

September

Average price

$345
From Kentucky to San Juan
Search Deals
One-way flight from Kentucky to San Juan
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to San Juan 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 January 29, 2026.
Use the filters below to find and compare flights from Kentucky to San Juan that are best for you.

Fly from

Kentucky

Fly to

San Juan

Route

Depart

Return

Price

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Mon 2/23

7:14 pm-2:53 am

1 stop6h 39m

San Juan Luis Munoz Marin Intl

Wed 2/25

3:53 am-11:12 am

1 stop8h 19m

$212

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Fri 4/24

7:30 am-4:23 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:15 am-1:29 pm

1 stop8h 14m

$236

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Thu 4/9

5:00 am-3:35 pm

1 stop9h 35m

San Juan Luis Munoz Marin Intl

Wed 4/15

11:25 am-5:55 pm

2 stops7h 30m

$236

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/3

6:00 am-4:10 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Tue 3/10

5:28 am-9:26 pm

1 stop15h 58m

$246

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Tue 4/21

6:00 am-12:34 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Fri 4/24

2:55 pm-11:43 pm

1 stop8h 48m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

4:37 pm-11:13 pm

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Sun 5/3

6:15 am-4:40 pm

1 stop10h 25m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 6/8

10:45 am-9:15 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Thu 6/18

6:00 am-2:25 pm

1 stop8h 25m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 4/11

7:05 am-1:27 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Fri 4/17

7:30 am-2:31 pm

1 stop7h 01m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 4/10

12:15 pm-11:25 pm

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Sat 4/25

5:15 am-12:55 pm

1 stop7h 40m

$246

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

Wed 2/25

4:15 pm-11:58 pm

1 stop6h 43m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:30 am-5:01 pm

1 stop10h 31m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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

What is the cheapest month to book a flight from Kentucky to San Juan?

Currently, March is the cheapest month in which you can book a flight from Kentucky to San Juan (average of $190). Flying from Kentucky to San Juan 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.

How much does it cost to fly round-trip from Kentucky to San Juan?

Related info for your journey

Find useful and relevant information for your journey from Kentucky to San Juan. 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?

    Frontier, Delta, and Southwest can get you from Kentucky to San Juan in just under 6h 39m. Your travel time can differ by up to 2h 56m. The distance between Kentucky and San Juan is about 1809 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 to fly from Kentucky to San Juan one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $102. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Kentucky to San Juan for a low price.

  • What are the most popular routes from Kentucky to San Juan?

    When deciding which route to take from Kentucky to San Juan consider 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 as they are the most popular.

  • Can I find deals for flights from Kentucky to San Juan that include hotel bookings?

    Yes. In addition to deals on Kentucky to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to San Juan?

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

  • Can I find deals for business class flights from Kentucky to San Juan?

    Yes. Cheapflights offers flight deals from Kentucky to San Juan 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?

    Currently, March is the cheapest month in which you can book a flight from Kentucky to San Juan (average of $190). Flying from Kentucky to San Juan 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to San Juan

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 San Juan

Discover the top 5 airlines that operate flights from Kentucky to San Juan. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$296FlexibilityNo cancel feeOn-time65%
DeltaCheapest$205Average$461FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$448FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$246Average$514FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$255Average$489FlexibilityNo cancel feeOn-time71%

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