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Saint Lucia

$559+ 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
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$559
(Delta)

Popular in

December

Cheapest in

October

Average price

$714
From Louisville Intl to Saint Lucia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 11/176:00 amSDF - UVF
1 stop8h 50mAmerican Airlines
Sat 11/224:50 pmUVF - SDF
2 stops20h 23mAmerican Airlines
Deal found 8/14$589
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 11/124:18 pmSDF - UVF
2 stops22h 32mAmerican Airlines
Sun 11/164:50 pmUVF - SDF
2 stops18h 50mAmerican Airlines
Deal found 8/13$627
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/256:31 amSDF - UVF
1 stop7h 46mAmerican Airlines
Wed 10/13:17 pmUVF - SDF
1 stop8h 41mAmerican Airlines
Deal found 8/12$644
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 11/136:25 amSDF - UVF
1 stop7h 35mAmerican Airlines
Tue 11/184:50 pmUVF - SDF
2 stops18h 50mAmerican Airlines
Deal found 8/14$649
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/227:09 pmSDF - UVF
2 stops19h 08mAmerican Airlines
Fri 9/263:17 pmUVF - SDF
2 stops22h 37mAmerican Airlines
Deal found 8/14$654
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 10/36:31 amSDF - UVF
1 stop7h 46mAmerican Airlines
Thu 10/162:40 pmUVF - SDF
2 stops21h 16mAmerican Airlines
Deal found 8/14$694

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 August 14, 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

Mon 1/12

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Fri 1/16

4:24 pm-11:56 pm

1 stop8h 32m

$559

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 1/12

7:13 pm-2:30 pm

2 stops18h 17m

Castries Hewanorra

Fri 1/16

4:50 pm-10:49 am

2 stops18h 59m

$564

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 11/17

6:00 am-3:50 pm

1 stop8h 50m

Castries Hewanorra

Sat 11/22

4:50 pm-10:40 am

2 stops18h 50m

$589

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 11/12

4:18 pm-3:50 pm

2 stops22h 32m

Castries Hewanorra

Sun 11/16

4:50 pm-10:40 am

2 stops18h 50m

$627

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Thu 10/2

7:35 pm-2:17 pm

2 stops18h 42m

Castries Hewanorra

Mon 10/6

2:56 pm-10:26 am

2 stops19h 30m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 14, 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
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.

  • 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

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Alternative routes for Louisville to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$804FlexibilityNo cancel feeOn-time71%
DeltaCheapest$568Average$1,035FlexibilityNo cancel feeOn-timeN/A

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