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

United 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 August 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.

$347 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.

7:05 am - 2:12 pmSDF Louisville Intl-UVF Castries Hewanorra

7h 07m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 11:59 pmUVF Castries Hewanorra-SDF Louisville Intl

8h 27m1 stop Atlanta Hartsfield-Jackson

$698Delta

Thu, Oct 8 - Thu, Oct 15

6:00 am - 3:04 pmSDF Louisville Intl-UVF Castries Hewanorra

9h 04m1 stop Miami

4:04 pm - 11:17 amUVF Castries Hewanorra-SDF Louisville Intl

19h 13m2 stops Miami Charlotte Douglas

$703American Airlines

Thu, Oct 8 - Thu, Oct 15

6:00 pm - 1:42 pmSDF Louisville Intl-UVF Castries Hewanorra

19h 42m2 stops Charlotte Douglas Miami

4:04 pm - 9:32 amUVF Castries Hewanorra-SDF Louisville Intl

17h 28m2 stops Miami Chicago O'Hare Intl

$703American Airlines

Thu, Oct 8 - Thu, Oct 15

4:35 pm - 3:06 pmSDF Louisville Intl-UVF Castries Hewanorra

21h 31m2 stops Charlotte Douglas Philadelphia

4:11 pm - 12:08 amUVF Castries Hewanorra-SDF Louisville Intl

8h 57m1 stop Charlotte Douglas

$708American Airlines

Wed, Dec 16 - Wed, Dec 23

4:35 pm - 12:58 pmSDF Louisville Intl-UVF Castries Hewanorra

19h 23m2 stops Charlotte Douglas Miami

3:47 pm - 10:28 amUVF Castries Hewanorra-SDF Louisville Intl

19h 41m2 stops Miami Dallas/Fort Worth

$708American Airlines

Wed, Dec 16 - Wed, Dec 23

6:00 am - 2:12 pmSDF Louisville Intl-UVF Castries Hewanorra

8h 12m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 11:59 pmUVF Castries Hewanorra-SDF Louisville Intl

8h 27m1 stop Atlanta Hartsfield-Jackson

$849Delta

Fri, Oct 2 - Thu, Oct 8

6:00 am - 3:05 pmSDF Louisville Intl-UVF Castries Hewanorra

8h 05m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 12:02 amUVF Castries Hewanorra-SDF Louisville Intl

8h 37m1 stop Atlanta Hartsfield-Jackson

$1,055Delta

Sat, Jan 16 - Sat, Jan 23

5:30 am - 4:25 pmSDF Louisville Intl-UVF Castries Hewanorra

9h 55m1 stop Chicago O'Hare Intl

5:17 pm - 4:49 pmUVF Castries Hewanorra-SDF Louisville Intl

24h 32m2 stops Newark Chicago O'Hare Intl

$1,146United Airlines

Sat, Jan 16 - Sat, Jan 23

6:26 pm - 2:55 pmSDF Louisville Intl-UVF Castries Hewanorra

19h 29m2 stops Detroit Metropolitan Wayne County Toronto Pearson Intl

3:50 pm - 9:01 pmUVF Castries Hewanorra-SDF Louisville Intl

30h 11m2 stops Toronto Pearson Intl New York LaGuardia

$3,382WestJet

Sat, Jan 16 - Sat, Jan 23

4:51 pm - 3:05 pmSDF Louisville Intl-UVF Castries Hewanorra

22h 14m2 stops Boston Logan Intl London Heathrow

8:30 pm - 10:24 pmUVF Castries Hewanorra-SDF Louisville Intl

25h 54m2 stops London Gatwick Chicago O'Hare Intl

$6,945British Airways

Fri, Oct 2 - Sat, Oct 3

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American Airlines flights from Louisville to Saint Lucia

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

American Airlines

Oct 8

SDF6:00 pmLouisville Intl

19h 42m

2 stops

UVF1:42 pmCastries Hewanorra

Oct 15

UVF4:04 pmCastries Hewanorra

17h 28m

2 stops

SDF9:32 amLouisville Intl

$703

American Airlines

Dec 16

SDF4:35 pmLouisville Intl

19h 23m

2 stops

UVF12:58 pmCastries Hewanorra

Dec 23

UVF3:47 pmCastries Hewanorra

19h 41m

2 stops

SDF10:28 amLouisville Intl

$708

American Airlines

Dec 16

SDF11:08 amLouisville Intl

26h 58m

1 stop

UVF3:06 pmCastries Hewanorra

Dec 23

UVF3:47 pmCastries Hewanorra

9h 11m

1 stop

SDF11:58 pmLouisville Intl

$713

Delta flights from Louisville to Saint Lucia

Our best Delta deals on Louisville to Saint Lucia flight tickets

Delta

Oct 8

SDF7:05 amLouisville Intl

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Oct 15

UVF3:32 pmCastries Hewanorra

8h 27m

1 stop

SDF11:59 pmLouisville Intl

$698

Delta

Oct 2

SDF6:00 amLouisville Intl

8h 12m

1 stop

UVF2:12 pmCastries Hewanorra

Oct 8

UVF3:32 pmCastries Hewanorra

8h 27m

1 stop

SDF11:59 pmLouisville Intl

$849

Delta

Jan 16

SDF6:00 amLouisville Intl

8h 05m

1 stop

UVF3:05 pmCastries Hewanorra

Jan 23

UVF4:25 pmCastries Hewanorra

8h 37m

1 stop

SDF12:02 amLouisville Intl

$1,055

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Thu 10/8

7:05 am-2:12 pm

1 stop7h 07m

Castries Hewanorra

Thu 10/15

3:32 pm-11:59 pm

1 stop8h 27m

$698

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Thu 10/8

6:00 am-3:04 pm

1 stop9h 04m

Castries Hewanorra

Thu 10/15

4:04 pm-11:17 am

2 stops19h 13m

$703

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Thu 10/8

6:00 pm-1:42 pm

2 stops19h 42m

Castries Hewanorra

Thu 10/15

4:04 pm-9:32 am

2 stops17h 28m

$703

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Wed 12/16

4:35 pm-3:06 pm

2 stops21h 31m

Castries Hewanorra

Wed 12/23

4:11 pm-12:08 am

1 stop8h 57m

$708

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Wed 12/16

4:35 pm-12:58 pm

2 stops19h 23m

Castries Hewanorra

Wed 12/23

3:47 pm-10:28 am

2 stops19h 41m

$708

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Fri 10/2

6:00 am-2:12 pm

1 stop8h 12m

Castries Hewanorra

Thu 10/8

3:32 pm-11:59 pm

1 stop8h 27m

$849

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Sat 1/16

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Sat 1/23

4:25 pm-12:02 am

1 stop8h 37m

$1,055

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Sat 1/16

5:30 am-4:25 pm

1 stop9h 55m

Castries Hewanorra

Sat 1/23

5:17 pm-4:49 pm

2 stops24h 32m

$1,146

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Sat 1/16

6:26 pm-2:55 pm

2 stops19h 29m

Castries Hewanorra

Sat 1/23

3:50 pm-9:01 pm

2 stops30h 11m

$3,382

LouisvilleCastries

SDF Louisville Intl - UVF Castries Hewanorra

SDFUVF

Louisville Intl

Fri 10/2

4:51 pm-3:05 pm

2 stops22h 14m

Castries Hewanorra

Sat 10/3

8:30 pm-10:24 pm

2 stops25h 54m

$6,945

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 April 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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $708.

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

Best Price Found	$347
Fastest flight time	7h 07m
Direct flights	None

The best one-way flight to Saint Lucia from Louisville in the past 72 hours is $347. The best round-trip flight deal from Louisville to Saint Lucia found on momondo in the last 72 hours is $698.

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 August 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 12,022 reviews		Search American Airlines flights
Delta	PriceFrom $694	Free Cancellation	Rating 7.8 8,536 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 $479

Cheap flights from Louisville to Saint Lucia from $347

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 10/2. 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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American Airlines flights from Louisville to Saint Lucia

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

Delta flights from Louisville to Saint Lucia

Our best Delta 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

Best Price Found

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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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.

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