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Cheap flights from Louisville to Saint Lucia from $559

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 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:35 am - 3:05 pm
SDF
-
UVF
8h 30m1 stop
Delta Logo
4:25 pm - 9:26 am
UVF
-
SDF
18h 01m1 stop
$559Delta
Mon, Feb 2 - Fri, Feb 6
American Airlines Logo
7:00 am - 2:18 pm
SDF
-
UVF
7h 18m1 stop
American Airlines Logo
3:18 pm - 12:27 am
UVF
-
SDF
9h 09m1 stop
$584American Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
6:24 pm - 2:58 pm
SDF
-
UVF
20h 34m2 stops
American Airlines Logo
3:18 pm - 12:27 am
UVF
-
SDF
9h 09m1 stop
$589American Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
6:01 am - 2:50 pm
SDF
-
UVF
7h 49m1 stop
American Airlines Logo
5:00 pm - 3:00 pm
UVF
-
SDF
23h 00m2 stops
$594American Airlines
Tue, Feb 24 - Sun, Mar 1
American Airlines Logo
1:32 pm - 3:03 pm
SDF
-
UVF
24h 31m2 stops
American Airlines Logo
5:02 pm - 12:26 pm
UVF
-
SDF
20h 24m2 stops
$624American Airlines
Mon, Jan 12 - Fri, Jan 16
American Airlines Logo
6:00 am - 3:03 pm
SDF
-
UVF
8h 03m1 stop
American Airlines Logo
4:06 pm - 3:52 pm
UVF
-
SDF
24h 46m1 stop
$627American Airlines
Mon, Jan 12 - Fri, Jan 16
American Airlines Logo
6:00 am - 4:02 pm
SDF
-
UVF
9h 02m1 stop
American Airlines Logo
2:46 pm - 11:59 pm
UVF
-
SDF
10h 13m1 stop
$638American Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
6:32 pm - 2:10 pm
SDF
-
UVF
18h 38m2 stops
American Airlines Logo
2:46 pm - 11:59 pm
UVF
-
SDF
10h 13m1 stop
$643American Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
6:38 pm - 4:00 pm
SDF
-
UVF
20h 22m2 stops
American Airlines Logo
5:00 pm - 1:33 pm
UVF
-
SDF
21h 33m2 stops
$655American Airlines
Sat, Feb 14 - Sat, Feb 28
American Airlines Logo
6:01 am - 4:00 pm
SDF
-
UVF
8h 59m1 stop
American Airlines Logo
4:25 pm - 6:57 pm
UVF
-
SDF
27h 32m1 stop
$658American Airlines
Tue, Feb 24 - Sun, Mar 1

American Airlines flights from Louisville to Saint Lucia

Our best American Airlines deals on Louisville to Saint Lucia flight tickets
American Airlines
Mar 30
SDF7:00 amLouisville Intl
7h 18m
1 stop
UVF2:18 pmCastries Hewanorra
Apr 6
UVF3:18 pmCastries Hewanorra
9h 09m
1 stop
SDF12:27 amLouisville Intl
$584
Find similar
American Airlines
Mar 30
SDF6:24 pmLouisville Intl
20h 34m
2 stops
UVF2:58 pmCastries Hewanorra
Apr 6
UVF3:18 pmCastries Hewanorra
9h 09m
1 stop
SDF12:27 amLouisville Intl
$589
Find similar
American Airlines
Feb 24
SDF6:01 amLouisville Intl
7h 49m
1 stop
UVF2:50 pmCastries Hewanorra
Mar 1
UVF5:00 pmCastries Hewanorra
23h 00m
2 stops
SDF3:00 pmLouisville Intl
$594
Find similar

Delta flights from Louisville to Saint Lucia

Our best Delta deals on Louisville to Saint Lucia flight tickets
Delta
Feb 2
SDF5:35 amLouisville Intl
8h 30m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 6
UVF4:25 pmCastries Hewanorra
18h 01m
1 stop
SDF9:26 amLouisville Intl
$559
Find similar
Delta
Jan 5
SDF6:00 amLouisville Intl
8h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Jan 10
UVF4:25 pmCastries Hewanorra
8h 30m
1 stop
SDF11:55 pmLouisville Intl
$1,038
Find similar
Delta
Feb 9
SDF7:00 amLouisville Intl
7h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 16
UVF4:25 pmCastries Hewanorra
8h 33m
1 stop
SDF11:58 pmLouisville Intl
$5,389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Saint Lucia 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 December 4, 2025.
Use the filters below to find and compare flights from Louisville to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 2/2

5:35 am-3:05 pm

1 stop8h 30m

Castries Hewanorra

Fri 2/6

4:25 pm-9:26 am

1 stop18h 01m

$559

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

7:00 am-2:18 pm

1 stop7h 18m

Castries Hewanorra

Mon 4/6

3:18 pm-12:27 am

1 stop9h 09m

$584

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

6:24 pm-2:58 pm

2 stops20h 34m

Castries Hewanorra

Mon 4/6

3:18 pm-12:27 am

1 stop9h 09m

$589

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 2/24

6:01 am-2:50 pm

1 stop7h 49m

Castries Hewanorra

Sun 3/1

5:00 pm-3:00 pm

2 stops23h 00m

$594

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 1/12

1:32 pm-3:03 pm

2 stops24h 31m

Castries Hewanorra

Fri 1/16

5:02 pm-12:26 pm

2 stops20h 24m

$624

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 1/12

6:00 am-3:03 pm

1 stop8h 03m

Castries Hewanorra

Fri 1/16

4:06 pm-3:52 pm

1 stop24h 46m

$627

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Fri 1/16

6:00 am-4:02 pm

1 stop9h 02m

Castries Hewanorra

Fri 1/23

2:46 pm-11:59 pm

1 stop10h 13m

$638

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Fri 1/16

6:32 pm-2:10 pm

2 stops18h 38m

Castries Hewanorra

Fri 1/23

2:46 pm-11:59 pm

1 stop10h 13m

$643

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 2/14

6:38 pm-4:00 pm

2 stops20h 22m

Castries Hewanorra

Sat 2/28

5:00 pm-1:33 pm

2 stops21h 33m

$655

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 2/24

6:01 am-4:00 pm

1 stop8h 59m

Castries Hewanorra

Sun 3/1

4:25 pm-6:57 pm

1 stop27h 32m

$658

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Lucia from

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

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Monday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $725. On the other hand, Saturday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $750.

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 00m

Direct flights

None
The fastest flight from Louisville to Saint Lucia takes 7h 00m
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?

  • 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
DeltaPriceFrom $527Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $539Free CancellationRating
7.2
11,047 reviews
Search American Airlines 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.

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