Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Kentucky to San Juan from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to San Juan departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:50 am - 6:05 pm
SDF
-
SJU
7h 15m
1 stop
Southwest Logo
6:00 am - 1:35 pm
SJU
-
SDF
7h 35m
1 stop
$220Southwest
Sat, Aug 15 - Thu, Aug 20
United Airlines Logo
1:55 pm - 11:50 pm
SDF
-
SJU
9h 55m
1 stop
United Airlines Logo
2:20 pm - 10:15 pm
SJU
-
SDF
7h 55m
1 stop
$249United Airlines
Sat, Sep 12 - Fri, Sep 18
Multiple Airlines Logo
12:50 pm - 2:29 pm
TYS
-
SJU
25h 39m
1 stop
Multiple Airlines Logo
7:00 am - 4:25 pm
SJU
-
TYS
9h 25m
1 stop
$252Multiple Airlines
Mon, Aug 17 - Sun, Aug 30
Delta Logo
10:21 am - 8:45 pm
LEX
-
SJU
10h 24m
1 stop
Delta Logo
5:49 pm - 11:59 pm
SJU
-
LEX
6h 10m
1 stop
$256Delta
Sun, Jul 26 - Thu, Aug 13
Multiple Airlines Logo
12:40 pm - 2:00 pm
TYS
-
SJU
25h 20m
1 stop
Multiple Airlines Logo
6:26 am - 10:24 pm
SJU
-
TYS
15h 58m
1 stop
$267Multiple Airlines
Mon, Aug 3 - Fri, Aug 7
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
2:58 pm - 11:22 pm
SJU
-
SDF
8h 24m
2 stops
$268American Airlines
Fri, Sep 25 - Wed, Sep 30
Multiple Airlines Logo
12:50 pm - 1:41 pm
TYS
-
SJU
24h 51m
1 stop
Multiple Airlines Logo
6:00 am - 4:13 pm
SJU
-
TYS
10h 13m
1 stop
$272Multiple Airlines
Mon, Aug 10 - Sat, Aug 15
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
2:22 pm - 10:55 pm
SJU
-
SDF
8h 33m
1 stop
$273American Airlines
Fri, Sep 25 - Wed, Sep 30
Multiple Airlines Logo
12:50 pm - 1:41 pm
TYS
-
SJU
24h 51m
1 stop
Multiple Airlines Logo
6:00 am - 4:13 pm
SJU
-
TYS
10h 13m
1 stop
$277Multiple Airlines
Mon, Aug 10 - Sat, Aug 15
Delta Logo
10:59 am - 10:29 pm
BNA
-
SJU
10h 30m
1 stop
Delta Logo
2:59 pm - 8:40 pm
SJU
-
BNA
6h 41m
1 stop
$326Delta
Sat, Aug 15 - Wed, Aug 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Kentucky to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Kentucky to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Aug 17
CVG2:30 pmCincinnati Cinci./N. Kentucky
25h 28m
1 stop
SJU3:58 pmSan Juan Luis Munoz Marin Intl
Aug 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
14h 35m
1 stop
CVG8:35 pmCincinnati Cinci./N. Kentucky
$276
Frontier
Jul 27
CVG11:00 amCincinnati Cinci./N. Kentucky
13h 41m
1 stop
SJU12:41 amSan Juan Luis Munoz Marin Intl
Aug 3
SJU5:22 pmSan Juan Luis Munoz Marin Intl
16h 43m
1 stop
CVG10:05 amCincinnati Cinci./N. Kentucky
$318
Frontier
Aug 3
CVG2:30 pmCincinnati Cinci./N. Kentucky
25h 35m
1 stop
SJU4:05 pmSan Juan Luis Munoz Marin Intl
Aug 5
SJU4:08 pmSan Juan Luis Munoz Marin Intl
7h 38m
1 stop
CVG11:46 pmCincinnati Cinci./N. Kentucky
$324

Southwest flights from Kentucky to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Kentucky to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Aug 15
SDF10:50 amLouisville Intl
7h 15m
1 stop
SJU6:05 pmSan Juan Luis Munoz Marin Intl
Aug 20
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 35m
1 stop
SDF1:35 pmLouisville Intl
$220
Southwest
Sep 24
SDF3:20 pmLouisville Intl
8h 30m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 35m
1 stop
SDF1:35 pmLouisville Intl
$292
Southwest
Sep 6
SDF6:30 amLouisville Intl
6h 55m
1 stop
SJU1:25 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU5:05 amSan Juan Luis Munoz Marin Intl
6h 05m
1 stop
SDF11:10 amLouisville Intl
$331

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated June 10, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 8/15

10:50 am-6:05 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Thu 8/20

6:00 am-1:35 pm

1 stop7h 35m

$220

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 9/12

1:55 pm-11:50 pm

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Fri 9/18

2:20 pm-10:15 pm

1 stop7h 55m

$249

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/17

12:50 pm-2:29 pm

1 stop25h 39m

San Juan Luis Munoz Marin Intl

Sun 8/30

7:00 am-4:25 pm

1 stop9h 25m

$252

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sun 7/26

10:21 am-8:45 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Thu 8/13

5:49 pm-11:59 pm

1 stop6h 10m

$256

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/3

12:40 pm-2:00 pm

1 stop25h 20m

San Juan Luis Munoz Marin Intl

Fri 8/7

6:26 am-10:24 pm

1 stop15h 58m

$267

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 9/25

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

Wed 9/30

2:58 pm-11:22 pm

2 stops8h 24m

$268

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/10

12:50 pm-1:41 pm

1 stop24h 51m

San Juan Luis Munoz Marin Intl

Sat 8/15

6:00 am-4:13 pm

1 stop10h 13m

$272

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 9/25

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

Wed 9/30

2:22 pm-10:55 pm

1 stop8h 33m

$273

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/10

12:50 pm-1:41 pm

1 stop24h 51m

San Juan Luis Munoz Marin Intl

Sat 8/15

6:00 am-4:13 pm

1 stop10h 13m

$277

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

Sat 8/15

10:59 am-10:29 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Wed 8/19

2:59 pm-8:40 pm

1 stop6h 41m

$326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Juan from

How to get the cheapest flight ticket from Kentucky to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $113.

How far in advance should I book a flight from Kentucky to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Kentucky for as low as $359 on momondo.

Can stopping save me money on Kentucky to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Kentucky to San Juan Luis Munoz Marin Intl Airport flight.

Cheap Kentucky to San Juan Luis Munoz Marin Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

3h 55m

Direct flights

Mon and Sun
The fastest flight from Kentucky to San Juan Luis Munoz Marin Intl Airport takes 3h 55m
Direct flights go from Kentucky to San Juan Luis Munoz Marin Intl Airport on Monday and Sunday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from Kentucky to San Juan Luis Munoz Marin Intl Airport

  • When did momondo last update prices for flights from Kentucky to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Kentucky to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from Kentucky to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Kentucky to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Kentucky to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $198Free CancellationRating
7.9
8,396 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
7.9
4,237 reviews
Search Southwest flights
American AirlinesPriceFrom $226Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,803 reviews
Search United Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to San Juan?

It is quick and easy to find Kentucky to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.

Can I find flights from Kentucky to San Juan with flexible booking policies on momondo?

Flights from Kentucky to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Kentucky to San Juan?

Once all potential Kentucky to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kentucky to San Juan right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kentucky to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/10
Fri 7/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan