What is the cheapest airline that flies from Louisville Intl to Caribbean?

United Airlines, Delta, and Spirit Airlines are the most popular carriers operating from Louisville Intl to Caribbean

What airlines fly to Caribbean?

American Airlines, Delta and Frontier are the top three most popular airlines that fly to Caribbean from Louisville according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 7 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Caribbean?

Prices for flights from Louisville Intl Airport to Caribbean refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Caribbean?

As of February 2026, there are 5 operators available to choose from for flights from Louisville Intl Airport to Caribbean.

How old do you have to be to fly from Louisville Intl Airport to Caribbean?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Caribbean.

What documentation or ID do you need to fly to Caribbean?

The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$123 Cheap Flights from Louisville to Caribbean in 2026

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Find the cheapest flights from Louisville to Caribbean

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 4:23 pm

SDF

SJU

8h 13m

1 stop

7:30 am - 5:40 pm

SJU

SDF

10h 10m

1 stop

$246Delta

Thu, Apr 30 - Sun, May 3

6:01 am - 12:29 pm

SDF

SJU

6h 28m

1 stop

3:44 pm - 11:59 pm

SJU

SDF

8h 15m

1 stop

$251American Airlines

Tue, Apr 28 - Tue, Apr 28

8:03 am - 3:20 pm

SDF

SJU

7h 17m

1 stop

3:44 pm - 11:59 pm

SJU

SDF

8h 15m

1 stop

$256American Airlines

Tue, Apr 21 - Tue, Apr 28

9:30 am - 3:31 pm

SDF

SJU

29h 01m

1 stop

4:36 pm - 8:40 am

SJU

SDF

17h 04m

1 stop

$262Multiple Airlines

Mon, Feb 23 - Thu, Feb 26

2:26 pm - 12:41 am

SDF

SJU

9h 15m

1 stop

6:27 pm - 8:40 am

SJU

SDF

39h 13m

2 stops

$278Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

3:33 pm - 11:58 pm

SDF

SJU

7h 25m

1 stop

6:37 pm - 11:58 pm

SJU

SDF

6h 21m

1 stop

$286Delta

Tue, Feb 24 - Wed, Mar 4

12:42 pm - 6:55 pm

SDF

SJU

6h 13m

1 stop

7:54 pm - 11:47 am

SJU

SDF

15h 53m

1 stop

$288Spirit Airlines

Tue, Apr 7 - Mon, Apr 13

12:33 pm - 10:09 pm

SDF

SJU

9h 36m

1 stop

9:49 pm - 2:38 pm

SJU

SDF

16h 49m

1 stop

$298Spirit Airlines

Fri, Apr 17 - Mon, Apr 20

9:55 am - 4:00 pm

SDF

PLS

6h 05m

1 stop

3:01 pm - 11:59 pm

PLS

SDF

8h 58m

1 stop

$363United Airlines

Mon, Mar 9 - Thu, Mar 12

6:00 am - 1:05 pm

SDF

MBJ

8h 05m

1 stop

1:48 pm - 10:13 pm

MBJ

SDF

7h 25m

1 stop

$400United Airlines

Mon, Mar 9 - Thu, Mar 12

Spirit Airlines flights from Louisville to Caribbean

Our best Spirit Airlines deals on Louisville to Caribbean flight tickets

Spirit Airlines

Apr 7

SDF12:42 pmLouisville Intl

6h 13m

1 stop

SJU6:55 pmSan Juan Luis Munoz Marin Intl

Apr 13

SJU7:54 pmSan Juan Luis Munoz Marin Intl

15h 53m

1 stop

SDF11:47 amLouisville Intl

$288

Spirit Airlines

Apr 17

SDF12:33 pmLouisville Intl

9h 36m

1 stop

SJU10:09 pmSan Juan Luis Munoz Marin Intl

Apr 20

SJU9:49 pmSan Juan Luis Munoz Marin Intl

16h 49m

1 stop

SDF2:38 pmLouisville Intl

$298

Spirit Airlines

Mar 9

SDF1:19 pmLouisville Intl

19h 58m

1 stop

SJU9:17 amSan Juan Luis Munoz Marin Intl

Mar 16

SJU7:54 pmSan Juan Luis Munoz Marin Intl

15h 53m

1 stop

SDF11:47 amLouisville Intl

$307

United Airlines flights from Louisville to Caribbean

Our best United Airlines deals on Louisville to Caribbean flight tickets

United Airlines

Feb 24

SDF9:00 amLouisville Intl

11h 26m

2 stops

SJU9:26 pmSan Juan Luis Munoz Marin Intl

Feb 24

SJU2:05 amSan Juan Luis Munoz Marin Intl

12h 18m

2 stops

SDF1:23 pmLouisville Intl

$331

United Airlines

Mar 2

SDF9:00 amLouisville Intl

14h 36m

2 stops

SJU12:36 amSan Juan Luis Munoz Marin Intl

Mar 4

SJU2:05 amSan Juan Luis Munoz Marin Intl

12h 12m

2 stops

SDF1:17 pmLouisville Intl

$336

United Airlines

Mar 9

SDF9:55 amLouisville Intl

6h 05m

1 stop

PLS4:00 pmProvidenciales

Mar 12

PLS3:01 pmProvidenciales

8h 58m

1 stop

SDF11:59 pmLouisville Intl

$363

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

8:10 am-4:23 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Sun 5/3

7:30 am-5:40 pm

1 stop10h 10m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 4/28

6:01 am-12:29 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Tue 4/28

3:44 pm-11:59 pm

1 stop8h 15m

$251

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 4/21

8:03 am-3:20 pm

1 stop7h 17m

San Juan Luis Munoz Marin Intl

Tue 4/28

3:44 pm-11:59 pm

1 stop8h 15m

$256

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 2/23

9:30 am-3:31 pm

1 stop29h 01m

San Juan Luis Munoz Marin Intl

Thu 2/26

4:36 pm-8:40 am

1 stop17h 04m

$262

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 3/1

2:26 pm-12:41 am

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:27 pm-8:40 am

2 stops39h 13m

$278

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 2/24

3:33 pm-11:58 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:37 pm-11:58 pm

1 stop6h 21m

$286

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 4/7

12:42 pm-6:55 pm

1 stop6h 13m

San Juan Luis Munoz Marin Intl

Mon 4/13

7:54 pm-11:47 am

1 stop15h 53m

$288

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 4/17

12:33 pm-10:09 pm

1 stop9h 36m

San Juan Luis Munoz Marin Intl

Mon 4/20

9:49 pm-2:38 pm

1 stop16h 49m

$298

LouisvilleProvidenciales

SDF - PLS

SDFPLS

Louisville Intl

Mon 3/9

9:55 am-4:00 pm

1 stop6h 05m

Providenciales

Thu 3/12

3:01 pm-11:59 pm

1 stop8h 58m

$363

LouisvilleMontego Bay

SDF - MBJ

SDFMBJ

Louisville Intl

Mon 3/9

6:00 am-1:05 pm

1 stop8h 05m

Montego Bay Sangster Intl

Thu 3/12

1:48 pm-10:13 pm

1 stop7h 25m

$400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Caribbean

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

Prices

Airlines

What is the cheapest month to fly to Caribbean?

In general, October is the cheapest month to fly from Louisville to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you don’t want to visit Caribbean in October, then you should wait until September to fly from Louisville, when ticket prices are also cheap, with an average price of $323.

How far in advance should I book a flight to Caribbean?

You are more likely to see cheaper flights to Caribbean from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $425 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from Louisville for as low as $344 on momondo.

Can stopping save me money on Louisville to Caribbean flights?

You could potentially save up to 34% on your flight if you consider stops on a Louisville to Caribbean flight.

Cheap Louisville to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Caribbean

Fastest flight time	4h 43m
Direct flights	None

The fastest flight from Louisville to Caribbean takes 4h 43m

There are no direct flights from Louisville to Caribbean. There are no popular flight routes from Louisville to Caribbean.

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Caribbean?
Prices for flights from Louisville Intl Airport to Caribbean refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Caribbean?
As of February 2026, there are 5 operators available to choose from for flights from Louisville Intl Airport to Caribbean.
How old do you have to be to fly from Louisville Intl Airport to Caribbean?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Caribbean.
What documentation or ID do you need to fly to Caribbean?
The travel and health documents you'll need for your trip to Caribbean may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Caribbean. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Caribbean

Compare and see reviews for airlines that fly from Louisville to Caribbean with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $152	Free Cancellation	Rating 6.3 8,444 reviews	Search Spirit Airlines flights
Delta	PriceFrom $205	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights
United Airlines	PriceFrom $259	Free Cancellation	Rating 7.4 9,279 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Caribbean?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Caribbean. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to Caribbean with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Caribbean from Louisville with this policy.

How can momondo help me find flights from Louisville to Caribbean?

momondo provides multiple filters to help you find the best flight to Caribbean from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Louisville to Caribbean flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.