How do I get Price Alerts for flights from Louisville to Saint Lucia?

Search flight deals from Louisville to Saint Lucia . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Louisville to Saint Lucia with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 February 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.

$631 Cheap Flights from Louisville to Saint Lucia in 2026

1 adult

0 bags

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Find the cheapest flights from Louisville to Saint Lucia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:39 pm - 12:02 pm

SDF

UVF

20h 23m

2 stops

1:02 pm - 10:15 am

UVF

SDF

21h 13m

2 stops

$636American Airlines

Mon, May 25 - Sat, May 30

5:00 am - 2:18 pm

SDF

UVF

9h 18m

1 stop

2:48 pm - 11:59 pm

UVF

SDF

9h 11m

1 stop

$652American Airlines

Mon, Mar 30 - Mon, Apr 6

7:57 pm - 1:48 pm

SDF

UVF

17h 51m

2 stops

2:48 pm - 9:55 am

UVF

SDF

19h 07m

2 stops

$657American Airlines

Mon, Mar 30 - Mon, Apr 6

8:08 pm - 12:02 pm

SDF

UVF

15h 54m

2 stops

1:02 pm - 11:46 pm

UVF

SDF

10h 44m

1 stop

$666American Airlines

Mon, May 25 - Sat, May 30

7:57 pm - 2:58 pm

SDF

UVF

19h 01m

2 stops

3:18 pm - 8:50 am

UVF

SDF

17h 32m

1 stop

$692American Airlines

Sun, Mar 29 - Sun, Apr 5

7:57 pm - 2:18 pm

SDF

UVF

18h 21m

1 stop

3:18 pm - 8:50 am

UVF

SDF

17h 32m

1 stop

$695American Airlines

Sun, Mar 29 - Sun, Apr 5

5:43 pm - 12:02 pm

SDF

UVF

18h 19m

2 stops

1:02 pm - 11:27 am

UVF

SDF

22h 25m

2 stops

$696American Airlines

Mon, May 25 - Sat, May 30

8:08 pm - 12:02 pm

SDF

UVF

15h 54m

2 stops

2:06 pm - 11:42 am

UVF

SDF

21h 36m

1 stop

$706American Airlines

Mon, May 25 - Sat, May 30

3:39 pm - 12:02 pm

SDF

UVF

20h 23m

2 stops

3:16 pm - 12:46 pm

UVF

SDF

21h 30m

2 stops

$733American Airlines

Wed, Jun 10 - Wed, Jun 17

8:08 pm - 2:16 pm

SDF

UVF

18h 08m

1 stop

1:02 pm - 11:46 pm

UVF

SDF

10h 44m

1 stop

$758American Airlines

Mon, May 25 - Sat, May 30

American Airlines flights from Louisville to Saint Lucia

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

American Airlines

May 25

SDF3:39 pmLouisville Intl

20h 23m

2 stops

UVF12:02 pmCastries Hewanorra

May 30

UVF1:02 pmCastries Hewanorra

21h 13m

2 stops

SDF10:15 amLouisville Intl

$636

American Airlines

Mar 30

SDF5:00 amLouisville Intl

9h 18m

1 stop

UVF2:18 pmCastries Hewanorra

Apr 6

UVF2:48 pmCastries Hewanorra

9h 11m

1 stop

SDF11:59 pmLouisville Intl

$652

American Airlines

Mar 30

SDF7:57 pmLouisville Intl

17h 51m

2 stops

UVF1:48 pmCastries Hewanorra

Apr 6

UVF2:48 pmCastries Hewanorra

19h 07m

2 stops

SDF9:55 amLouisville Intl

$657

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

3:39 pm-12:02 pm

2 stops20h 23m

Castries Hewanorra

Sat 5/30

1:02 pm-10:15 am

2 stops21h 13m

$636

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

5:00 am-2:18 pm

1 stop9h 18m

Castries Hewanorra

Mon 4/6

2:48 pm-11:59 pm

1 stop9h 11m

$652

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

7:57 pm-1:48 pm

2 stops17h 51m

Castries Hewanorra

Mon 4/6

2:48 pm-9:55 am

2 stops19h 07m

$657

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

8:08 pm-12:02 pm

2 stops15h 54m

Castries Hewanorra

Sat 5/30

1:02 pm-11:46 pm

1 stop10h 44m

$666

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sun 3/29

7:57 pm-2:58 pm

2 stops19h 01m

Castries Hewanorra

Sun 4/5

3:18 pm-8:50 am

1 stop17h 32m

$692

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sun 3/29

7:57 pm-2:18 pm

1 stop18h 21m

Castries Hewanorra

Sun 4/5

3:18 pm-8:50 am

1 stop17h 32m

$695

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

5:43 pm-12:02 pm

2 stops18h 19m

Castries Hewanorra

Sat 5/30

1:02 pm-11:27 am

2 stops22h 25m

$696

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

8:08 pm-12:02 pm

2 stops15h 54m

Castries Hewanorra

Sat 5/30

2:06 pm-11:42 am

1 stop21h 36m

$706

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 6/10

3:39 pm-12:02 pm

2 stops20h 23m

Castries Hewanorra

Wed 6/17

3:16 pm-12:46 pm

2 stops21h 30m

$733

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

8:08 pm-2:16 pm

1 stop18h 08m

Castries Hewanorra

Sat 5/30

1:02 pm-11:46 pm

1 stop10h 44m

$758

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	6h 53m
Direct flights	None

The fastest flight from Louisville to Saint Lucia takes 6h 53m

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

Search flight deals

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 February 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 $586	Free Cancellation	Rating 7.2 11,294 reviews		Search American Airlines flights
Delta	PriceFrom $617	Free Cancellation	Rating 7.9 8,204 reviews		Search Delta flights

How do I get Price Alerts for flights from Louisville to Saint Lucia?
Search flight deals from Louisville to Saint Lucia. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Louisville to Saint Lucia with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 $470

Cheap flights from Louisville to Saint Lucia from $636

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Saint Lucia departing on 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Louisville to Saint Lucia

Cheap round-trip flights

American Airlines flights from Louisville to Saint Lucia

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

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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

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?

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

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

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

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

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

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

Complete your trip to Saint Lucia

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According to popular flight searches on momondo this year