Cheap flights from Kentucky to San Juan from $91

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 2/5. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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.

Find the cheapest flights from Kentucky to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:39 pm - 12:13 am
TYS
-
SJU
9h 34m1 stop
Multiple Airlines Logo
5:38 pm - 11:05 pm
SJU
-
TYS
6h 27m1 stop
$198Multiple Airlines
dom., ene. 11 - jue., ene. 15
Delta Logo
9:23 am - 9:12 pm
BNA
-
SJU
9h 49m1 stop
Delta Logo
6:15 am - 3:39 pm
SJU
-
BNA
10h 24m1 stop
$215Delta
mar., mar. 3 - mar., mar. 10
Multiple Airlines Logo
8:49 pm - 5:58 pm
CVG
-
SJU
20h 09m2 stops
Multiple Airlines Logo
11:52 am - 7:45 pm
SJU
-
CVG
8h 53m1 stop
$220Multiple Airlines
lun., feb. 23 - sáb., feb. 28
Frontier Logo
5:00 pm - 12:54 am
CVG
-
SJU
6h 54m1 stop
Frontier Logo
7:04 pm - 12:42 am
SJU
-
CVG
6h 38m1 stop
$221Frontier
lun., ene. 5 - jue., ene. 8
Frontier Logo
6:49 pm - 6:34 am
CVG
-
SJU
10h 45m1 stop
Frontier Logo
7:26 pm - 8:31 pm
SJU
-
CVG
26h 05m1 stop
$223Frontier
lun., ene. 5 - mié., ene. 7
United Airlines Logo
2:10 pm - 10:22 pm
SDF
-
SJU
7h 12m1 stop
United Airlines Logo
7:45 am - 8:28 pm
SJU
-
SDF
13h 43m2 stops
$225United Airlines
mar., ene. 20 - mar., ene. 27
United Airlines Logo
5:55 pm - 6:11 am
CVG
-
SJU
11h 16m2 stops
United Airlines Logo
7:45 am - 3:47 pm
SJU
-
CVG
9h 02m1 stop
$225United Airlines
vie., ene. 23 - mar., ene. 27
American Airlines Logo
11:32 am - 11:56 pm
CVG
-
SJU
11h 24m1 stop
American Airlines Logo
8:20 am - 5:58 pm
SJU
-
CVG
10h 38m2 stops
$226American Airlines
sáb., ene. 24 - sáb., ene. 31
Southwest Logo
4:00 pm - 11:40 pm
BNA
-
SJU
6h 40m1 stop
Southwest Logo
5:15 am - 12:55 pm
SJU
-
BNA
8h 40m2 stops
$232Southwest
jue., abr. 30 - sáb., may. 2
American Airlines Logo
7:04 am - 10:34 pm
EVV
-
SJU
14h 30m2 stops
American Airlines Logo
4:25 pm - 11:47 pm
SJU
-
EVV
8h 22m1 stop
$298American Airlines
mar., mar. 17 - mar., mar. 24

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
Jan 9
BNA8:23 amNashville Intl
7h 39m
1 stop
SJU6:02 pmSan Juan Luis Munoz Marin Intl
Jan 10
SJU9:15 pmSan Juan Luis Munoz Marin Intl
12h 13m
1 stop
BNA7:28 amNashville Intl
Frontier
Jan 5
CVG5:00 pmCincinnati Cinci./N. Kentucky
6h 54m
1 stop
SJU12:54 amSan Juan Luis Munoz Marin Intl
Jan 8
SJU7:04 pmSan Juan Luis Munoz Marin Intl
6h 38m
1 stop
CVG12:42 amCincinnati Cinci./N. Kentucky
Frontier
Feb 21
CVG3:20 pmCincinnati Cinci./N. Kentucky
21h 07m
1 stop
SJU1:27 pmSan Juan Luis Munoz Marin Intl
Feb 27
SJU3:53 amSan Juan Luis Munoz Marin Intl
18h 32m
1 stop
CVG9:25 pmCincinnati Cinci./N. Kentucky

United Airlines flights from Kentucky to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Kentucky to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jan 20
SDF2:10 pmLouisville Intl
7h 12m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 27
SJU7:45 amSan Juan Luis Munoz Marin Intl
13h 43m
2 stops
SDF8:28 pmLouisville Intl
United Airlines
Jan 28
SDF2:05 pmLouisville Intl
9h 31m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Feb 6
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 23m
2 stops
SDF1:28 pmLouisville Intl
United Airlines
Jan 17
SDF11:10 amLouisville Intl
10h 12m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU2:15 pmSan Juan Luis Munoz Marin Intl
10h 08m
1 stop
SDF11:23 pmLouisville Intl

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 diciembre 28, 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

Fly to

Route

Depart

Return

Price

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

dom. 1/11

1:39 pm-12:13 am

1 stop9h 34m

San Juan Luis Munoz Marin Intl

jue. 1/15

5:38 pm-11:05 pm

1 stop6h 27m

$198

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

mar. 3/3

9:23 am-9:12 pm

1 stop9h 49m

San Juan Luis Munoz Marin Intl

mar. 3/10

6:15 am-3:39 pm

1 stop10h 24m

$215

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

lun. 2/23

8:49 pm-5:58 pm

2 stops20h 09m

San Juan Luis Munoz Marin Intl

sáb. 2/28

11:52 am-7:45 pm

1 stop8h 53m

$220

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

lun. 1/5

5:00 pm-12:54 am

1 stop6h 54m

San Juan Luis Munoz Marin Intl

jue. 1/8

7:04 pm-12:42 am

1 stop6h 38m

$221

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

lun. 1/5

6:49 pm-6:34 am

1 stop10h 45m

San Juan Luis Munoz Marin Intl

mié. 1/7

7:26 pm-8:31 pm

1 stop26h 05m

$223

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mar. 1/20

2:10 pm-10:22 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

mar. 1/27

7:45 am-8:28 pm

2 stops13h 43m

$225

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

vie. 1/23

5:55 pm-6:11 am

2 stops11h 16m

San Juan Luis Munoz Marin Intl

mar. 1/27

7:45 am-3:47 pm

1 stop9h 02m

$225

CincinnatiSan Juan

CVG - SJU

CVGSJU

Cincinnati Cinci./N. Kentucky

sáb. 1/24

11:32 am-11:56 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

sáb. 1/31

8:20 am-5:58 pm

2 stops10h 38m

$226

NashvilleSan Juan

BNA - SJU

BNASJU

Nashville Intl

jue. 4/30

4:00 pm-11:40 pm

1 stop6h 40m

San Juan Luis Munoz Marin Intl

sáb. 5/2

5:15 am-12:55 pm

2 stops8h 40m

$232

EvansvilleSan Juan

EVV - SJU

EVVSJU

Evansville Dress Regional

mar. 3/17

7:04 am-10:34 pm

2 stops14h 30m

San Juan Luis Munoz Marin Intl

mar. 3/24

4:25 pm-11:47 pm

1 stop8h 22m

$298

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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $315.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Kentucky is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $372. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Kentucky because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $459.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $339. Flights in the afternoon are often more expensive with an average ticket price of $441.

How far in advance should I book a flight 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 $432 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 $385 on momondo.

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

You could potentially save up to 23% 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 50m

Direct flights

Sun
The fastest flight from Kentucky to San Juan Luis Munoz Marin Intl Airport takes 3h 50m
Direct flights go from Kentucky to San Juan Luis Munoz Marin Intl Airport on Sunday. There are no airlines offering direct flights.
  • 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
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,211 reviews
Search Spirit Airlines flights
DeltaPriceFrom $215Free CancellationRating
7.9
8,019 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,113 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
Humacao
Caguas
Rio Grande
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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 1/27
mar. 2/3

Find better results for your trip to San Juan