Which layover airport has the shortest connection time from Louisville to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 2h 26m.

What is the cheapest airline that flies from Louisville Intl to Saint Thomas Island Cyril E King?

Spirit Airlines, American Airlines, and United Airlines are the most popular carriers operating from Louisville Intl to Saint Thomas Island Cyril E King

Which layover airport offers the lowest fares from Louisville to Saint Thomas Island?

Flights via Orlando (MCO) offer the lowest average round-trip price of $237.

What airlines fly to Saint Thomas Island?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Saint Thomas Island from Louisville according to our data. American Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 5 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Louisville to Saint Thomas Island?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 7h 17m.

Which airport is the most popular layover for flights between Louisville and Saint Thomas Island?

Atlanta (ATL) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

Prices for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport were last updated today.

How many operators does momondo search for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

There are 4 operators available for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport as of February 2026.

How old do you have to be to fly from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport.

What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport 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 Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$143 Cheap Flights from Louisville to Saint Thomas Island in 2026

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Find the cheapest flights from Louisville to Saint Thomas Island

Round-trip

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Enter your travel dates to find the best prices.

1:19 pm - 2:31 pm

SDF

STT

24h 12m

1 stop

2:36 pm - 12:21 pm

STT

SDF

21h 45m

1 stop

$285Spirit Airlines

Mon, Mar 2 - Tue, Mar 10

12:42 pm - 3:28 pm

SDF

STT

26h 46m

1 stop

4:35 pm - 11:47 am

STT

SDF

19h 12m

1 stop

$292Spirit Airlines

Tue, Apr 7 - Mon, Apr 13

9:13 pm - 3:28 pm

SDF

STT

18h 15m

1 stop

2:36 pm - 11:14 am

STT

SDF

20h 38m

1 stop

$302Multiple Airlines

Mon, Mar 16 - Thu, Mar 19

1:19 pm - 2:31 pm

SDF

STT

24h 12m

1 stop

4:40 pm - 12:21 pm

STT

SDF

19h 41m

2 stops

$304Spirit Airlines

Mon, Mar 2 - Tue, Mar 10

3:33 pm - 4:34 pm

SDF

STT

24h 01m

1 stop

4:40 pm - 8:40 am

STT

SDF

16h 00m

1 stop

$310Multiple Airlines

Tue, Mar 3 - Sun, Mar 8

1:19 pm - 2:31 pm

SDF

STT

24h 12m

1 stop

2:36 pm - 11:14 am

STT

SDF

20h 38m

1 stop

$316Spirit Airlines

Fri, Mar 6 - Sun, Mar 15

12:42 pm - 1:26 pm

SDF

STT

24h 44m

2 stops

4:35 pm - 11:47 am

STT

SDF

19h 12m

1 stop

$318Spirit Airlines

Tue, Apr 7 - Mon, Apr 13

9:13 pm - 1:26 pm

SDF

STT

16h 13m

2 stops

2:36 pm - 11:14 am

STT

SDF

20h 38m

1 stop

$324Multiple Airlines

Mon, Mar 16 - Thu, Mar 19

1:19 pm - 4:34 pm

SDF

STT

26h 15m

3 stops

4:40 pm - 12:21 pm

STT

SDF

19h 41m

2 stops

$325Spirit Airlines

Mon, Mar 2 - Tue, Mar 10

3:33 pm - 3:28 pm

SDF

STT

23h 55m

1 stop

4:35 pm - 2:33 pm

STT

SDF

21h 58m

1 stop

$326Spirit Airlines

Sun, Mar 15 - Wed, Mar 18

Spirit Airlines flights from Louisville to Saint Thomas Island

Our best Spirit Airlines deals on Louisville to Saint Thomas Island flight tickets

Spirit Airlines

Mar 2

SDF1:19 pmLouisville Intl

24h 12m

1 stop

STT2:31 pmSaint Thomas Island Cyril E King

Mar 10

STT2:36 pmSaint Thomas Island Cyril E King

21h 45m

1 stop

SDF12:21 pmLouisville Intl

$285

Spirit Airlines

Apr 7

SDF12:42 pmLouisville Intl

26h 46m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 13

STT4:35 pmSaint Thomas Island Cyril E King

19h 12m

1 stop

SDF11:47 amLouisville Intl

$292

Spirit Airlines

Mar 2

SDF1:19 pmLouisville Intl

24h 12m

1 stop

STT2:31 pmSaint Thomas Island Cyril E King

Mar 10

STT4:40 pmSaint Thomas Island Cyril E King

19h 41m

2 stops

SDF12:21 pmLouisville Intl

$304

American Airlines flights from Louisville to Saint Thomas Island

Our best American Airlines deals on Louisville to Saint Thomas Island flight tickets

American Airlines

Feb 14

SDF8:00 pmLouisville Intl

15h 12m

2 stops

STT12:12 pmSaint Thomas Island Cyril E King

Feb 19

STT2:13 pmSaint Thomas Island Cyril E King

10h 03m

1 stop

SDF11:16 pmLouisville Intl

$392

American Airlines

Feb 14

SDF8:00 pmLouisville Intl

15h 12m

2 stops

STT12:12 pmSaint Thomas Island Cyril E King

Feb 21

STT4:37 pmSaint Thomas Island Cyril E King

17h 25m

2 stops

SDF9:02 amLouisville Intl

$581

American Airlines

Feb 19

SDF8:02 pmLouisville Intl

15h 10m

2 stops

STT12:12 pmSaint Thomas Island Cyril E King

Feb 22

STT2:53 pmSaint Thomas Island Cyril E King

10h 34m

2 stops

SDF12:27 amLouisville Intl

$636

momondo Fare Finder

Use the filters below to find and compare flights from Louisville to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 3/2

1:19 pm-2:31 pm

1 stop24h 12m

Saint Thomas Island Cyril E King

Tue 3/10

2:36 pm-12:21 pm

1 stop21h 45m

$285

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 4/7

12:42 pm-3:28 pm

1 stop26h 46m

Saint Thomas Island Cyril E King

Mon 4/13

4:35 pm-11:47 am

1 stop19h 12m

$292

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 3/16

9:13 pm-3:28 pm

1 stop18h 15m

Saint Thomas Island Cyril E King

Thu 3/19

2:36 pm-11:14 am

1 stop20h 38m

$302

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 3/2

1:19 pm-2:31 pm

1 stop24h 12m

Saint Thomas Island Cyril E King

Tue 3/10

4:40 pm-12:21 pm

2 stops19h 41m

$304

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 3/3

3:33 pm-4:34 pm

1 stop24h 01m

Saint Thomas Island Cyril E King

Sun 3/8

4:40 pm-8:40 am

1 stop16h 00m

$310

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 3/6

1:19 pm-2:31 pm

1 stop24h 12m

Saint Thomas Island Cyril E King

Sun 3/15

2:36 pm-11:14 am

1 stop20h 38m

$316

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 4/7

12:42 pm-1:26 pm

2 stops24h 44m

Saint Thomas Island Cyril E King

Mon 4/13

4:35 pm-11:47 am

1 stop19h 12m

$318

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 3/16

9:13 pm-1:26 pm

2 stops16h 13m

Saint Thomas Island Cyril E King

Thu 3/19

2:36 pm-11:14 am

1 stop20h 38m

$324

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 3/2

1:19 pm-4:34 pm

3 stops26h 15m

Saint Thomas Island Cyril E King

Tue 3/10

4:40 pm-12:21 pm

2 stops19h 41m

$325

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Sun 3/15

3:33 pm-3:28 pm

1 stop23h 55m

Saint Thomas Island Cyril E King

Wed 3/18

4:35 pm-2:33 pm

1 stop21h 58m

$326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Saint Thomas Island?

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Louisville averaging around $437.

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $564 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Louisville for as low as $430 on momondo.

When to book flights from Louisville to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Saint Thomas Island (SDF to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Saint Thomas Island

Fastest flight time	7h 10m
Direct flights	None

The fastest flight from Louisville to Saint Thomas Island takes 7h 10m

There are no direct flights from Louisville to Saint Thomas Island. There are no popular flight routes from Louisville to Saint Thomas Island.

Search flight deals

How far is Louisville Intl to Saint Thomas Island Cyril E King by plane?
Louisville Intl and Saint Thomas Island Cyril E King are 1859.4 mi apart from one another. A reasonable flight in good conditions will take 7h 10m.
When did momondo last update prices for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?
Prices for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?
There are 4 operators available for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport as of February 2026.
How old do you have to be to fly from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport.
What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?
The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport 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 Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to Saint Thomas Island?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Saint Thomas Island is American Airlines (59% of total bookings). The next most popular airlines are Delta (24%), Spirit Airlines (11%), and United Airlines (6%).

Best airlines flying from Louisville to Saint Thomas Island

Compare and see reviews for airlines that fly from Louisville to Saint Thomas Island with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $191	Free Cancellation	Rating 6.3 8,419 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 9,240 reviews	Search United Airlines flights
Delta	PriceFrom $351	Free Cancellation	Rating 7.9 8,151 reviews	Search Delta flights
American Airlines	PriceFrom $371	Free Cancellation	Rating 7.2 11,237 reviews	Search American Airlines flights

St. John

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Saint Thomas Island?

Finding the right flight to Saint Thomas Island 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 Saint Thomas Island quick and easy, saving you time and money.

Can I find flights from Louisville to Saint Thomas Island with flexible booking policies on momondo?

Flights from Louisville to Saint Thomas Island 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 Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Saint Thomas Island right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Thomas Island 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.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Louisville to Saint Thomas Island from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Saint Thomas Island departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Louisville to Saint Thomas Island

Cheap round-trip flights

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Spirit Airlines flights from Louisville to Saint Thomas Island

Our best Spirit Airlines deals on Louisville to Saint Thomas Island flight tickets

American Airlines flights from Louisville to Saint Thomas Island

Our best American Airlines deals on Louisville to Saint Thomas Island flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Louisville to Saint Thomas Island that are best for you.

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Louisville to Saint Thomas Island

What is the cheapest month to fly to Saint Thomas Island?

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Louisville averaging around $437.

How far in advance should I book a flight to Saint Thomas Island?

What is the cheapest airline that flies from Louisville Intl to Saint Thomas Island Cyril E King?

Spirit Airlines, American Airlines, and United Airlines are the most popular carriers operating from Louisville Intl to Saint Thomas Island Cyril E King

What airlines fly to Saint Thomas Island?

Which airport is the most popular layover for flights between Louisville and Saint Thomas Island?

Atlanta (ATL) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Louisville to Saint Thomas Island?

Flights via Orlando (MCO) offer the lowest average round-trip price of $237.

Which layover airport has the shortest travel time from Louisville to Saint Thomas Island?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 7h 17m.

Which layover airport has the shortest connection time from Louisville to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 2h 26m.

When to book flights from Louisville to Saint Thomas Island

Cheap Louisville to Saint Thomas Island (SDF to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Saint Thomas Island

Fastest flight time

Direct flights

How far is Louisville Intl to Saint Thomas Island Cyril E King by plane?

When did momondo last update prices for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

How many operators does momondo search for flights from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

How old do you have to be to fly from Louisville Intl Airport to Saint Thomas Island Cyril E King Airport?

What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

What is the most popular airline from Louisville to Saint Thomas Island?

Best airlines flying from Louisville to Saint Thomas Island

Compare and see reviews for airlines that fly from Louisville to Saint Thomas Island with momondo

Traveling to a place near Saint Thomas Island?

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Saint Thomas Island?

Can I find flights from Louisville to Saint Thomas Island with flexible booking policies on momondo?

How can momondo help me find flights from Louisville to Saint Thomas Island?

I’m not ready to book a flight from Louisville to Saint Thomas Island right now. Can momondo alert me if prices change?

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Fly your favorite airline to Saint Thomas Island

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Thomas Island

List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

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