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Cheap flights from Louisville to Saint Lucia from $580

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 3/10. 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
6:00 am - 1:58 pm
SDF
-
UVF
7h 58m
1 stop
Delta Logo
3:18 pm - 11:57 pm
UVF
-
SDF
8h 39m
1 stop
$580Delta
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
6:12 pm - 2:58 pm
SDF
-
UVF
20h 46m
2 stops
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SDF
9h 11m
1 stop
$585American Airlines
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
6:07 am - 2:58 pm
SDF
-
UVF
8h 51m
1 stop
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SDF
9h 11m
1 stop
$588American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:00 am - 2:58 pm
SDF
-
UVF
9h 58m
2 stops
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SDF
9h 11m
1 stop
$593American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:00 am - 2:58 pm
SDF
-
UVF
9h 58m
2 stops
American Airlines Logo
3:58 pm - 3:03 pm
UVF
-
SDF
23h 05m
2 stops
$603American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
4:27 pm - 1:35 pm
SDF
-
UVF
21h 08m
2 stops
American Airlines Logo
2:10 pm - 12:45 pm
UVF
-
SDF
22h 35m
1 stop
$619American Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
7:52 pm - 2:23 pm
SDF
-
UVF
18h 31m
1 stop
American Airlines Logo
2:10 pm - 12:45 pm
UVF
-
SDF
22h 35m
1 stop
$622American Airlines
Sat, May 9 - Sat, May 16
American Airlines Logo
5:00 am - 3:18 pm
SDF
-
UVF
9h 18m
1 stop
American Airlines Logo
3:18 pm - 12:27 am
UVF
-
SDF
9h 09m
1 stop
$634American Airlines
Mon, Mar 2 - Mon, Mar 9
American Airlines Logo
6:12 pm - 3:58 pm
SDF
-
UVF
20h 46m
2 stops
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SDF
9h 11m
1 stop
$639American Airlines
Mon, Mar 2 - Mon, Mar 9
American Airlines Logo
5:42 pm - 1:35 pm
SDF
-
UVF
19h 53m
2 stops
American Airlines Logo
2:35 pm - 8:38 am
UVF
-
SDF
18h 03m
2 stops
$670American Airlines
Sat, May 9 - Sat, May 16

American Airlines flights from Louisville to Saint Lucia

Our best American Airlines deals on Louisville to Saint Lucia flight tickets
American Airlines
Mar 10
SDF6:12 pmLouisville Intl
20h 46m
2 stops
UVF2:58 pmCastries Hewanorra
Mar 18
UVF2:48 pmCastries Hewanorra
9h 11m
1 stop
SDF11:59 pmLouisville Intl
$585
American Airlines
Mar 24
SDF6:07 amLouisville Intl
8h 51m
1 stop
UVF2:58 pmCastries Hewanorra
Mar 31
UVF2:48 pmCastries Hewanorra
9h 11m
1 stop
SDF11:59 pmLouisville Intl
$588
American Airlines
Mar 24
SDF5:00 amLouisville Intl
9h 58m
2 stops
UVF2:58 pmCastries Hewanorra
Mar 31
UVF2:48 pmCastries Hewanorra
9h 11m
1 stop
SDF11:59 pmLouisville Intl
$593

Air Canada flights from Louisville to Saint Lucia

Our best Air Canada deals on Louisville to Saint Lucia flight tickets
Air Canada
Feb 8
SDF5:35 amLouisville Intl
33h 50m
2 stops
UVF4:25 pmCastries Hewanorra
Feb 12
UVF5:15 pmCastries Hewanorra
31h 44m
2 stops
SDF11:59 pmLouisville Intl
$1,992
Air Canada
Feb 8
SDF8:29 amLouisville Intl
30h 56m
2 stops
UVF4:25 pmCastries Hewanorra
Feb 12
UVF5:15 pmCastries Hewanorra
29h 58m
2 stops
SDF10:13 pmLouisville Intl
$2,051
Air Canada
Feb 8
SDF6:28 amLouisville Intl
32h 57m
2 stops
UVF4:25 pmCastries Hewanorra
Feb 12
UVF5:15 pmCastries Hewanorra
29h 58m
2 stops
SDF10:13 pmLouisville Intl
$2,072

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 January 18, 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

Tue 3/10

6:00 am-1:58 pm

1 stop7h 58m

Castries Hewanorra

Wed 3/18

3:18 pm-11:57 pm

1 stop8h 39m

$580

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 3/10

6:12 pm-2:58 pm

2 stops20h 46m

Castries Hewanorra

Wed 3/18

2:48 pm-11:59 pm

1 stop9h 11m

$585

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 3/24

6:07 am-2:58 pm

1 stop8h 51m

Castries Hewanorra

Tue 3/31

2:48 pm-11:59 pm

1 stop9h 11m

$588

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 3/24

5:00 am-2:58 pm

2 stops9h 58m

Castries Hewanorra

Tue 3/31

2:48 pm-11:59 pm

1 stop9h 11m

$593

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Tue 3/24

5:00 am-2:58 pm

2 stops9h 58m

Castries Hewanorra

Tue 3/31

3:58 pm-3:03 pm

2 stops23h 05m

$603

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 5/9

4:27 pm-1:35 pm

2 stops21h 08m

Castries Hewanorra

Sat 5/16

2:10 pm-12:45 pm

1 stop22h 35m

$619

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 5/9

7:52 pm-2:23 pm

1 stop18h 31m

Castries Hewanorra

Sat 5/16

2:10 pm-12:45 pm

1 stop22h 35m

$622

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/2

5:00 am-3:18 pm

1 stop9h 18m

Castries Hewanorra

Mon 3/9

3:18 pm-12:27 am

1 stop9h 09m

$634

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/2

6:12 pm-3:58 pm

2 stops20h 46m

Castries Hewanorra

Mon 3/9

2:48 pm-11:59 pm

1 stop9h 11m

$639

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 5/9

5:42 pm-1:35 pm

2 stops19h 53m

Castries Hewanorra

Sat 5/16

2:35 pm-8:38 am

2 stops18h 03m

$670

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 05m

Direct flights

None
The fastest flight from Louisville to Saint Lucia takes 7h 05m
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
11,155 reviews
Search American Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,075 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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