HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$564+ Cheap flights from Louisville (SDF) to Saint Lucia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — UVF
oct. 31 — nov. 71
vie. 10/31
vie. 11/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Saint Lucia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Saint Lucia

Keep the following information in mind while searching for Louisville to Saint Lucia flight deals. Data was last updated octubre 1, 2025.

Round-trip from

$564
(American Airlines)

Popular in

December

Cheapest in

February
From Louisville Intl to Saint Lucia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($60 potential savings vs. average RT price).
Search Deals

Find flight deals from Louisville to Saint Lucia

Cheapest flights from Louisville to Saint Lucia
Explore the most affordable flight options available from Louisville to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 1, 2025.

This American Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 amSDF - UVF
1 stop8h 52mAmerican Airlines
jue. 11/204:04 pmUVF - SDF
1 stop9h 18mAmerican Airlines
Deal found 9/29$613
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/197:09 amSDF - UVF
1 stop7h 17mDelta
mar. 10/213:41 pmUVF - SDF
1 stop8h 20mDelta
Deal found 9/30$999
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/196:00 amSDF - UVF
1 stop7h 56mAmerican Airlines
mar. 10/212:56 pmUVF - SDF
2 stops19h 47mAmerican Airlines
Deal found 9/28$1,068

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 1, 2025.
Use the filters below to find and compare flights from Louisville to Saint Lucia that are best for you.

Fly from

Louisville

Fly to

Saint Lucia

Route

Depart

Return

Price

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

lun. 1/12

7:20 pm-4:02 pm

2 stops19h 42m

Castries Hewanorra

vie. 1/16

5:02 pm-1:44 pm

2 stops21h 42m

$564

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

jue. 11/13

6:00 am-3:52 pm

1 stop8h 52m

Castries Hewanorra

jue. 11/20

4:04 pm-12:22 am

1 stop9h 18m

$613

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

lun. 1/5

7:24 pm-4:02 pm

2 stops19h 38m

Castries Hewanorra

sáb. 1/10

5:02 pm-10:38 am

2 stops18h 36m

$649

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

dom. 3/1

6:33 am-2:35 pm

1 stop7h 02m

Castries Hewanorra

dom. 3/8

3:50 pm-12:14 am

1 stop8h 24m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Best time to book a flight from Louisville to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Saint Lucia

What is the cheapest month to book a flight from Louisville to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Louisville to Saint Lucia (average of $556). Flying from Louisville to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated octubre 1, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Louisville to Saint Lucia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
11,030 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Saint Lucia?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Saint Lucia.

  • How long is the flight from Louisville to Saint Lucia?

    Airlines like American Airlines fly from Louisville to Saint Lucia in about 19h 42m. The time it takes to get you to your destination can typically vary by up to . The distance from Louisville to Saint Lucia is about 2268 mi.

  • Can I find deals for flights from Louisville to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Louisville to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Saint Lucia.

  • Can I find deals for business class flights from Louisville to Saint Lucia?

    Yes. Cheapflights offers flight deals from Louisville to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Saint Lucia (average of $556). Flying from Louisville to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Luis Munoz Marin Intl flights
Nashville to Luis Munoz Marin Intl flights
Louisville to Luis Munoz Marin Intl flights
Cincinnati to Saint Thomas Island flights
Cincinnati to Montego Bay flights
Cincinnati to Punta Cana flights
Cincinnati to Oranjestad flights
Nashville to Punta Cana flights
Knoxville to Luis Munoz Marin Intl flights
Lexington to Luis Munoz Marin Intl flights
Nashville to Oranjestad flights
Cincinnati to Nassau flights
Knoxville to Montego Bay flights
Nashville to Nassau flights
Cincinnati to Simpson Bay flights
Nashville to Saint Thomas Island flights
Nashville to Willemstad flights
Nashville to Providenciales flights
Cincinnati to Puerto Plata flights
Cincinnati to Santo Domingo flights
Nashville to Montego Bay flights
Cincinnati to Willemstad flights
Cincinnati to Christiansted flights
Louisville to Punta Cana flights
Lexington to Punta Cana flights
Louisville to Saint Thomas Island flights
Cincinnati to Providenciales flights
Knoxville to Oranjestad flights
Knoxville to Punta Cana flights
Cincinnati to Road Town flights
Louisville to Montego Bay flights
Cincinnati to George Town flights
Nashville to Santo Domingo flights
Cincinnati to Santiago de los Caballeros flights
Louisville to Providenciales flights
Knoxville to Castries flights
Louisville to Castries flights
Nashville to Castries flights
Lexington to Montego Bay flights
Knoxville to Saint Thomas Island flights
Nashville to Puerto Plata flights
Cincinnati to Castries flights
Lexington to Oranjestad flights
Lexington to Santo Domingo flights
Blountville to Montego Bay flights
Nashville to Kingston flights
Nashville to Port of Spain flights
Nashville to Simpson Bay flights
Evansville to Luis Munoz Marin Intl flights
Nashville to Christiansted flights

Top 2 airlines flying from Louisville to Saint Lucia

Discover the top 2 airlines that operate flights from Louisville to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$527Average$1,042FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$539Average$773FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.