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

American Airlines is the most popular carrier operating from Louisville Intl to Saint Lucia

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

Prices for flights from Louisville Intl Airport to Saint Lucia refresh daily.

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

As of June 2026, there are 2 operators available to choose from for flights from Louisville Intl Airport to Saint Lucia.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents you'll need for your trip to Saint Lucia 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 Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$309 Cheap Flights from Louisville to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Saint Lucia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:54 pm - 1:50 pm

SDF

UVF

21h 56m

2 stops

3:20 pm - 10:33 am

UVF

SDF

19h 13m

2 stops

$643American Airlines

Sat, Jul 4 - Fri, Jul 10

11:46 am - 2:20 pm

SDF

UVF

26h 34m

1 stop

3:20 pm - 12:34 am

UVF

SDF

9h 14m

1 stop

$646American Airlines

Sat, Jul 4 - Fri, Jul 10

3:54 pm - 1:50 pm

SDF

UVF

21h 56m

2 stops

3:20 pm - 9:22 am

UVF

SDF

18h 02m

2 stops

$763American Airlines

Sat, Jul 4 - Fri, Jul 10

11:46 am - 2:20 pm

SDF

UVF

26h 34m

1 stop

3:20 pm - 12:34 am

UVF

SDF

9h 14m

1 stop

$768American Airlines

Sat, Jul 4 - Fri, Jul 10

7:14 pm - 1:25 pm

SDF

UVF

18h 11m

2 stops

4:20 pm - 12:45 pm

UVF

SDF

20h 25m

2 stops

$773American Airlines

Sat, Oct 17 - Sat, Oct 24

8:08 pm - 1:25 pm

SDF

UVF

17h 17m

1 stop

4:00 pm - 12:36 am

UVF

SDF

8h 36m

1 stop

$804American Airlines

Sat, Oct 17 - Sat, Oct 24

8:19 pm - 2:20 pm

SDF

UVF

18h 01m

1 stop

3:20 pm - 12:34 am

UVF

SDF

9h 14m

1 stop

$819American Airlines

Mon, Jul 27 - Fri, Jul 31

8:19 pm - 2:20 pm

SDF

UVF

18h 01m

1 stop

2:50 pm - 10:33 am

UVF

SDF

19h 43m

2 stops

$824American Airlines

Mon, Jul 27 - Fri, Jul 31

7:05 am - 2:12 pm

SDF

UVF

7h 07m

1 stop

3:33 pm - 8:54 am

UVF

SDF

17h 21m

1 stop

$844Delta

Mon, Jul 20 - Wed, Jul 29

8:19 pm - 2:20 pm

SDF

UVF

18h 01m

1 stop

3:20 pm - 12:34 am

UVF

SDF

9h 14m

1 stop

$856American Airlines

Mon, Jul 27 - Fri, Jul 31

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Delta flights from Louisville to Saint Lucia

Our best Delta deals on Louisville to Saint Lucia flight tickets

Delta

Jul 20

SDF7:05 amLouisville Intl

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Jul 29

UVF3:33 pmCastries Hewanorra

17h 21m

1 stop

SDF8:54 amLouisville Intl

$844

Delta

Jul 13

SDF7:05 amLouisville Intl

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Jul 18

UVF3:33 pmCastries Hewanorra

8h 41m

1 stop

SDF12:14 amLouisville Intl

$1,091

Delta

Jul 13

SDF7:05 amLouisville Intl

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Jul 18

UVF3:33 pmCastries Hewanorra

8h 41m

1 stop

SDF12:14 amLouisville Intl

$1,097

United Airlines flights from Louisville to Saint Lucia

Our best United Airlines deals on Louisville to Saint Lucia flight tickets

United Airlines

Jun 20

SDF7:19 amLouisville Intl

8h 12m

1 stop

UVF3:31 pmCastries Hewanorra

Jun 27

UVF4:22 pmCastries Hewanorra

31h 37m

2 stops

SDF11:59 pmLouisville Intl

$1,008

United Airlines

Jun 20

SDF7:19 amLouisville Intl

8h 12m

1 stop

UVF3:31 pmCastries Hewanorra

Jun 27

UVF12:55 pmCastries Hewanorra

31h 28m

1 stop

SDF8:23 pmLouisville Intl

$1,012

United Airlines

Jun 20

SDF7:19 amLouisville Intl

8h 12m

1 stop

UVF3:31 pmCastries Hewanorra

Jun 27

UVF4:22 pmCastries Hewanorra

26h 38m

2 stops

SDF7:00 pmLouisville Intl

$1,108

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 7/4

3:54 pm-1:50 pm

2 stops21h 56m

Castries Hewanorra

Fri 7/10

3:20 pm-10:33 am

2 stops19h 13m

$643

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 7/4

11:46 am-2:20 pm

1 stop26h 34m

Castries Hewanorra

Fri 7/10

3:20 pm-12:34 am

1 stop9h 14m

$646

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 7/4

3:54 pm-1:50 pm

2 stops21h 56m

Castries Hewanorra

Fri 7/10

3:20 pm-9:22 am

2 stops18h 02m

$763

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 7/4

11:46 am-2:20 pm

1 stop26h 34m

Castries Hewanorra

Fri 7/10

3:20 pm-12:34 am

1 stop9h 14m

$768

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 10/17

7:14 pm-1:25 pm

2 stops18h 11m

Castries Hewanorra

Sat 10/24

4:20 pm-12:45 pm

2 stops20h 25m

$773

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 10/17

8:08 pm-1:25 pm

1 stop17h 17m

Castries Hewanorra

Sat 10/24

4:00 pm-12:36 am

1 stop8h 36m

$804

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/27

8:19 pm-2:20 pm

1 stop18h 01m

Castries Hewanorra

Fri 7/31

3:20 pm-12:34 am

1 stop9h 14m

$819

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/27

8:19 pm-2:20 pm

1 stop18h 01m

Castries Hewanorra

Fri 7/31

2:50 pm-10:33 am

2 stops19h 43m

$824

Quickest round-trip

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/20

7:05 am-2:12 pm

1 stop7h 07m

Castries Hewanorra

Wed 7/29

3:33 pm-8:54 am

1 stop17h 21m

$844

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/27

8:19 pm-2:20 pm

1 stop18h 01m

Castries Hewanorra

Fri 7/31

3:20 pm-12:34 am

1 stop9h 14m

$856

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Saint Lucia

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 Saint Lucia?

The month of October is, on average, the cheapest month to fly to Saint Lucia from Louisville, with most prices found around $0. If you aren’t able to travel to Saint Lucia during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $0.

Cheap Louisville to Saint Lucia flight deals and tips

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

Fastest flight time	7h 07m
Direct flights	None

The fastest flight from Louisville to Saint Lucia takes 7h 07m

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

Search flight deals

Frequently asked questions about flying from Louisville to Saint Lucia

When did momondo last update prices for flights from Louisville Intl Airport to Saint Lucia?
Prices for flights from Louisville Intl Airport to Saint Lucia refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Saint Lucia?
As of June 2026, there are 2 operators available to choose from for flights from Louisville Intl Airport to Saint Lucia.
How old do you have to be to fly from Louisville Intl Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia 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 Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Saint Lucia

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $664	Free Cancellation	Rating 7.1 11,639 reviews		Search American Airlines flights
Delta	PriceFrom $694	Free Cancellation	Rating 7.9 8,396 reviews		Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Saint Lucia for you.

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

All flight searches from Louisville to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Saint Lucia?

Once all potential Louisville to Saint Lucia 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 Louisville to Saint Lucia right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Lucia from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Saint Lucia trip

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Flights to Castriesfrom $515

Cheap flights from Louisville to Saint Lucia from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Saint Lucia departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Louisville to Saint Lucia

Our best Delta deals on Louisville to Saint Lucia flight tickets

United Airlines flights from Louisville to Saint Lucia

Our best United Airlines deals on Louisville to Saint Lucia flight tickets

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How to get the cheapest flight ticket from Louisville to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

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

Cheap Louisville to Saint Lucia flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Saint Lucia

Best airlines flying from Louisville to Saint Lucia

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

Why use momondo?

An easier way to manage your Saint Lucia 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.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo

Louisville flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

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List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

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