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Cheap flights from Louisville to Castries from $636

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 Castries departing on 5/25. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:39 pm - 12:02 pm
SDF
-
UVF
20h 23m
2 stops
American Airlines Logo
1:02 pm - 10:15 am
UVF
-
SDF
21h 13m
2 stops
$636American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
5:00 am - 2:18 pm
SDF
-
UVF
9h 18m
1 stop
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SDF
9h 11m
1 stop
$652American Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
7:57 pm - 1:48 pm
SDF
-
UVF
17h 51m
2 stops
American Airlines Logo
2:48 pm - 9:55 am
UVF
-
SDF
19h 07m
2 stops
$657American Airlines
Mon, Mar 30 - Mon, Apr 6
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
$666American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
7:57 pm - 2:58 pm
SDF
-
UVF
19h 01m
2 stops
American Airlines Logo
3:18 pm - 8:50 am
UVF
-
SDF
17h 32m
1 stop
$692American Airlines
Sun, Mar 29 - Sun, Apr 5
American Airlines Logo
7:57 pm - 2:18 pm
SDF
-
UVF
18h 21m
1 stop
American Airlines Logo
3:18 pm - 8:50 am
UVF
-
SDF
17h 32m
1 stop
$695American Airlines
Sun, Mar 29 - Sun, Apr 5
American Airlines Logo
5:43 pm - 12:02 pm
SDF
-
UVF
18h 19m
2 stops
American Airlines Logo
1:02 pm - 11:27 am
UVF
-
SDF
22h 25m
2 stops
$696American 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
$706American Airlines
Mon, May 25 - Sat, May 30
American Airlines Logo
3:39 pm - 12:02 pm
SDF
-
UVF
20h 23m
2 stops
American Airlines Logo
3:16 pm - 12:46 pm
UVF
-
SDF
21h 30m
2 stops
$733American Airlines
Wed, Jun 10 - Wed, Jun 17
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 flights from Louisville to Castries

Our best American Airlines deals on Louisville to Castries flight tickets
American Airlines
May 25
SDF3:39 pmLouisville Intl
20h 23m
2 stops
UVF12:02 pmCastries Hewanorra
May 30
UVF1:02 pmCastries Hewanorra
21h 13m
2 stops
SDF10:15 amLouisville Intl
$636
American Airlines
Mar 30
SDF5:00 amLouisville Intl
9h 18m
1 stop
UVF2:18 pmCastries Hewanorra
Apr 6
UVF2:48 pmCastries Hewanorra
9h 11m
1 stop
SDF11:59 pmLouisville Intl
$652
American Airlines
Mar 30
SDF7:57 pmLouisville Intl
17h 51m
2 stops
UVF1:48 pmCastries Hewanorra
Apr 6
UVF2:48 pmCastries Hewanorra
19h 07m
2 stops
SDF9:55 amLouisville Intl
$657

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Castries 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 15, 2026.
Use the filters below to find and compare flights from Louisville to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

3:39 pm-12:02 pm

2 stops20h 23m

Castries Hewanorra

Sat 5/30

1:02 pm-10:15 am

2 stops21h 13m

$636

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

5:00 am-2:18 pm

1 stop9h 18m

Castries Hewanorra

Mon 4/6

2:48 pm-11:59 pm

1 stop9h 11m

$652

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 3/30

7:57 pm-1:48 pm

2 stops17h 51m

Castries Hewanorra

Mon 4/6

2:48 pm-9:55 am

2 stops19h 07m

$657

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

$666

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sun 3/29

7:57 pm-2:58 pm

2 stops19h 01m

Castries Hewanorra

Sun 4/5

3:18 pm-8:50 am

1 stop17h 32m

$692

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Sun 3/29

7:57 pm-2:18 pm

1 stop18h 21m

Castries Hewanorra

Sun 4/5

3:18 pm-8:50 am

1 stop17h 32m

$695

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Mon 5/25

5:43 pm-12:02 pm

2 stops18h 19m

Castries Hewanorra

Sat 5/30

1:02 pm-11:27 am

2 stops22h 25m

$696

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

$706

LouisvilleCastries

SDF - UVF

SDFUVF

Louisville Intl

Wed 6/10

3:39 pm-12:02 pm

2 stops20h 23m

Castries Hewanorra

Wed 6/17

3:16 pm-12:46 pm

2 stops21h 30m

$733

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

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Castries (SDF to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Castries

Fastest flight time

6h 53m

Direct flights

None
The fastest flight from Louisville to Castries takes 6h 53m
There are no direct flights from Louisville to Castries. There are no popular flight routes from Louisville to Castries.
Search flight deals

  • How far is Louisville Intl to Castries Hewanorra by plane?

    The distance between Louisville Intl and Castries Hewanorra is about 2255.9 mi. A reasonable flight in good conditions will take 6h 53m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Castries Hewanorra Airport?

    Prices for flights from Louisville Intl Airport to Castries Hewanorra Airport are updated daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Castries Hewanorra Airport?

    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 Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The required travel and health documents for your Castries Hewanorra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Castries Hewanorra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to Castries?

Best airlines flying from Louisville to Castries

Compare and see reviews for airlines that fly from Louisville to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $586Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,204 reviews
Search Delta flights

  • How do I get Price Alerts for flights from Louisville to Castries?

    Confirm your travel details to search for the latest offers for flights from Louisville to Castries. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Louisville to Castries with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Castries?

Finding the right flight to Castries from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Castries quick and easy, saving you time and money.

Can I find flights from Louisville to Castries with flexible booking policies on momondo?

Flights from Louisville to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Louisville to Castries?

Once all potential Louisville to Castries 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 Castries right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Castries flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport