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Cheap flights from Louisville to Saint Lucia from $621

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 5/28. 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.
American Airlines Logo
8:08 pm - 2:16 pm
SDF
-
UVF
18h 08m
1 stop
American Airlines Logo
1:02 pm - 11:46 pm
UVF
-
SDF
10h 44m
1 stop
$621American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
8:08 pm - 2:16 pm
SDF
-
UVF
18h 08m
1 stop
American Airlines Logo
1:02 pm - 9:41 am
UVF
-
SDF
20h 39m
2 stops
$626American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
5:00 am - 2:18 pm
SDF
-
UVF
9h 18m
1 stop
American Airlines Logo
3:18 pm - 9:51 am
UVF
-
SDF
18h 33m
1 stop
$642American Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
6:23 pm - 1:48 pm
SDF
-
UVF
19h 25m
2 stops
American Airlines Logo
2:48 pm - 9:51 am
UVF
-
SDF
19h 03m
2 stops
$647American Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
8:08 pm - 12:02 pm
SDF
-
UVF
15h 54m
2 stops
American Airlines Logo
1:02 pm - 10:15 am
UVF
-
SDF
21h 13m
2 stops
$666American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
8:08 pm - 12:02 pm
SDF
-
UVF
15h 54m
2 stops
American Airlines Logo
1:02 pm - 11:46 pm
UVF
-
SDF
10h 44m
1 stop
$706American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
8:08 pm - 12:02 pm
SDF
-
UVF
15h 54m
2 stops
American Airlines Logo
2:06 pm - 11:42 am
UVF
-
SDF
21h 36m
1 stop
$716American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
8:15 pm - 2:10 pm
SDF
-
UVF
17h 55m
1 stop
American Airlines Logo
2:17 pm - 11:47 am
UVF
-
SDF
21h 30m
1 stop
$729American Airlines
Mon, Jul 13 - Sat, Jul 18
American Airlines Logo
8:08 pm - 2:16 pm
SDF
-
UVF
18h 08m
1 stop
American Airlines Logo
1:02 pm - 11:46 pm
UVF
-
SDF
10h 44m
1 stop
$758American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
8:15 pm - 2:10 pm
SDF
-
UVF
17h 55m
1 stop
American Airlines Logo
2:17 pm - 11:47 am
UVF
-
SDF
21h 30m
1 stop
$759American Airlines
Mon, Jul 13 - Sat, Jul 18

American Airlines flights from Louisville to Saint Lucia

Our best American Airlines deals on Louisville to Saint Lucia flight tickets
American Airlines
May 28
SDF8:08 pmLouisville Intl
18h 08m
1 stop
UVF2:16 pmCastries Hewanorra
Jun 2
UVF1:02 pmCastries Hewanorra
10h 44m
1 stop
SDF11:46 pmLouisville Intl
$621
American Airlines
May 28
SDF8:08 pmLouisville Intl
18h 08m
1 stop
UVF2:16 pmCastries Hewanorra
Jun 2
UVF1:02 pmCastries Hewanorra
20h 39m
2 stops
SDF9:41 amLouisville Intl
$626
American Airlines
Mar 23
SDF5:00 amLouisville Intl
9h 18m
1 stop
UVF2:18 pmCastries Hewanorra
Mar 30
UVF2:48 pmCastries Hewanorra
9h 11m
1 stop
SDF11:59 pmLouisville Intl
$642

Delta flights from Louisville to Saint Lucia

Our best Delta deals on Louisville to Saint Lucia flight tickets
Delta
Mar 26
SDF6:00 amLouisville Intl
7h 58m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 2
UVF3:18 pmCastries Hewanorra
8h 39m
1 stop
SDF11:57 pmLouisville Intl
$835
Delta
Feb 14
SDF5:33 amLouisville Intl
8h 32m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 28
UVF4:25 pmCastries Hewanorra
8h 33m
1 stop
SDF11:58 pmLouisville Intl
$1,066
Delta
Feb 14
SDF5:33 amLouisville Intl
8h 32m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 28
UVF4:25 pmCastries Hewanorra
8h 33m
1 stop
SDF11:58 pmLouisville Intl
$1,125

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 February 9, 2026.
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

Thu 5/28

8:08 pm-2:16 pm

1 stop18h 08m

Castries Hewanorra

Tue 6/2

1:02 pm-11:46 pm

1 stop10h 44m

$621

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Thu 5/28

8:08 pm-2:16 pm

1 stop18h 08m

Castries Hewanorra

Tue 6/2

1:02 pm-9:41 am

2 stops20h 39m

$626

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/23

5:00 am-2:18 pm

1 stop9h 18m

Castries Hewanorra

Mon 3/30

3:18 pm-9:51 am

1 stop18h 33m

$642

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/23

6:23 pm-1:48 pm

2 stops19h 25m

Castries Hewanorra

Mon 3/30

2:48 pm-9:51 am

2 stops19h 03m

$647

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-10:15 am

2 stops21h 13m

$666

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

$706

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

$716

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/13

8:15 pm-2:10 pm

1 stop17h 55m

Castries Hewanorra

Sat 7/18

2:17 pm-11:47 am

1 stop21h 30m

$729

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

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 7/13

8:15 pm-2:10 pm

1 stop17h 55m

Castries Hewanorra

Sat 7/18

2:17 pm-11:47 am

1 stop21h 30m

$759

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

7h 13m

Direct flights

None
The fastest flight from Louisville to Saint Lucia takes 7h 13m
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
American AirlinesPriceFrom $586Free CancellationRating
7.2
11,259 reviews
Search American Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,178 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.

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