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Cheap flights from Louisville to Saint Lucia from $619

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 2/19. 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
5:00 am - 3:18 pm
SDF
-
UVF
9h 18m1 stop
American Airlines Logo
4:58 pm - 10:04 am
UVF
-
SDF
18h 06m2 stops
$619American Airlines
Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
6:00 am - 3:03 pm
SDF
-
UVF
8h 03m1 stop
American Airlines Logo
4:06 pm - 10:42 am
UVF
-
SDF
19h 36m2 stops
$623American Airlines
Wed, Feb 4 - Wed, Feb 11
American Airlines Logo
6:32 pm - 4:02 pm
SDF
-
UVF
20h 30m2 stops
American Airlines Logo
5:02 pm - 3:19 pm
UVF
-
SDF
23h 17m2 stops
$648American Airlines
Wed, Feb 4 - Wed, Feb 11
American Airlines Logo
6:00 am - 3:03 pm
SDF
-
UVF
8h 03m1 stop
American Airlines Logo
4:06 pm - 9:02 am
UVF
-
SDF
17h 56m1 stop
$649American Airlines
Wed, Feb 4 - Wed, Feb 11
Delta Logo
5:33 am - 3:05 pm
SDF
-
UVF
8h 32m1 stop
Delta Logo
4:25 pm - 11:58 pm
UVF
-
SDF
8h 33m1 stop
$674Delta
Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
8:00 pm - 2:58 pm
SDF
-
UVF
18h 58m2 stops
American Airlines Logo
2:10 pm - 12:45 pm
UVF
-
SDF
22h 35m1 stop
$706American Airlines
Sat, Mar 28 - Sat, Apr 25
American Airlines Logo
5:00 am - 3:58 pm
SDF
-
UVF
9h 58m2 stops
American Airlines Logo
4:58 pm - 1:34 pm
UVF
-
SDF
21h 36m2 stops
$724American Airlines
Fri, Feb 20 - Fri, Feb 27
American Airlines Logo
8:02 pm - 2:08 pm
SDF
-
UVF
17h 06m2 stops
American Airlines Logo
4:58 pm - 1:34 pm
UVF
-
SDF
21h 36m2 stops
$729American Airlines
Fri, Feb 13 - Fri, Feb 20
American Airlines Logo
3:49 pm - 2:08 pm
SDF
-
UVF
21h 19m1 stop
American Airlines Logo
4:58 pm - 1:34 pm
UVF
-
SDF
21h 36m2 stops
$739American Airlines
Fri, Feb 13 - Fri, Feb 20
American Airlines Logo
8:15 pm - 3:04 pm
SDF
-
UVF
18h 49m2 stops
American Airlines Logo
2:17 pm - 11:47 am
UVF
-
SDF
21h 30m1 stop
$765American Airlines
Mon, May 25 - Sat, May 30

WestJet flights from Louisville to Saint Lucia

Our best WestJet deals on Louisville to Saint Lucia flight tickets
WestJet
Apr 8
SDF12:48 pmLouisville Intl
24h 58m
2 stops
UVF1:46 pmCastries Hewanorra
Apr 14
UVF2:40 pmCastries Hewanorra
26h 02m
2 stops
SDF4:42 pmLouisville Intl
$3,548
WestJet
Jan 26
SDF12:25 pmLouisville Intl
25h 25m
2 stops
UVF2:50 pmCastries Hewanorra
Jan 29
UVF3:40 pmCastries Hewanorra
30h 35m
2 stops
SDF9:15 pmLouisville Intl
$3,652
WestJet
Jan 26
SDF12:22 pmLouisville Intl
25h 28m
2 stops
UVF2:50 pmCastries Hewanorra
Jan 29
UVF3:40 pmCastries Hewanorra
28h 22m
2 stops
SDF7:02 pmLouisville Intl
$3,657

American Airlines flights from Louisville to Saint Lucia

Our best American Airlines deals on Louisville to Saint Lucia flight tickets
American Airlines
Feb 19
SDF4:50 pmLouisville Intl
20h 58m
2 stops
UVF2:48 pmCastries Hewanorra
Feb 25
UVF4:58 pmCastries Hewanorra
21h 33m
2 stops
SDF1:31 pmLouisville Intl
$619
American Airlines
Feb 4
SDF6:00 amLouisville Intl
8h 03m
1 stop
UVF3:03 pmCastries Hewanorra
Feb 11
UVF4:06 pmCastries Hewanorra
19h 36m
2 stops
SDF10:42 amLouisville Intl
$623
American Airlines
Feb 4
SDF6:32 pmLouisville Intl
20h 30m
2 stops
UVF4:02 pmCastries Hewanorra
Feb 11
UVF5:02 pmCastries Hewanorra
23h 17m
2 stops
SDF3:19 pmLouisville Intl
$648

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 8, 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 2/19

5:00 am-3:18 pm

1 stop9h 18m

Castries Hewanorra

Wed 2/25

4:58 pm-10:04 am

2 stops18h 06m

$619

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 2/4

6:00 am-3:03 pm

1 stop8h 03m

Castries Hewanorra

Wed 2/11

4:06 pm-10:42 am

2 stops19h 36m

$623

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 2/4

6:32 pm-4:02 pm

2 stops20h 30m

Castries Hewanorra

Wed 2/11

5:02 pm-3:19 pm

2 stops23h 17m

$648

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 2/4

6:00 am-3:03 pm

1 stop8h 03m

Castries Hewanorra

Wed 2/11

4:06 pm-9:02 am

1 stop17h 56m

$649

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Thu 2/19

5:33 am-3:05 pm

1 stop8h 32m

Castries Hewanorra

Wed 2/25

4:25 pm-11:58 pm

1 stop8h 33m

$674

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sat 3/28

8:00 pm-2:58 pm

2 stops18h 58m

Castries Hewanorra

Sat 4/25

2:10 pm-12:45 pm

1 stop22h 35m

$706

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Fri 2/20

5:00 am-3:58 pm

2 stops9h 58m

Castries Hewanorra

Fri 2/27

4:58 pm-1:34 pm

2 stops21h 36m

$724

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Fri 2/13

8:02 pm-2:08 pm

2 stops17h 06m

Castries Hewanorra

Fri 2/20

4:58 pm-1:34 pm

2 stops21h 36m

$729

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Fri 2/13

3:49 pm-2:08 pm

1 stop21h 19m

Castries Hewanorra

Fri 2/20

4:58 pm-1:34 pm

2 stops21h 36m

$739

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

8:15 pm-3:04 pm

2 stops18h 49m

Castries Hewanorra

Sat 5/30

2:17 pm-11:47 am

1 stop21h 30m

$765

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?

  • 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
11,094 reviews
Search American Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,025 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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Sat 2/7
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Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo
Flights to Castriesfrom $450