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

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

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

Atlanta (ATL) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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 22m.

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 connection time from Louisville to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 2h 32m.

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.

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 November 2025.

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.

$172 Cheap Flights from Louisville to Saint Thomas Island in 2025/26

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6:00 am - 3:11 pmSDF-STT

8h 11m1 stop

4:06 pm - 11:45 pmSTT-SDF

8h 39m1 stop

$335Spirit Airlines

Find Deal

Fri, Feb 20 - Wed, Feb 25

8:55 am - 3:54 pmSDF-STT

5h 59m1 stop

3:00 pm - 8:25 pmSTT-SDF

6h 25m1 stop

$371Delta

Find Deal

Wed, Feb 18 - Wed, Feb 25

5:05 am - 11:31 amSDF-STT

29h 26m1 stop

4:06 pm - 11:45 pmSTT-SDF

8h 39m1 stop

$395Spirit Airlines

Find Deal

Wed, Dec 24 - Sat, Jan 10

5:05 am - 11:31 amSDF-STT

29h 26m1 stop

12:31 pm - 11:59 pmSTT-SDF

12h 28m1 stop

$396Spirit Airlines

Find Deal

Wed, Dec 24 - Wed, Jan 7

5:05 am - 11:31 amSDF-STT

29h 26m1 stop

4:06 pm - 11:45 pmSTT-SDF

8h 39m1 stop

$406Spirit Airlines

Find Deal

Wed, Dec 24 - Thu, Jan 8

5:05 am - 11:31 amSDF-STT

29h 26m1 stop

4:06 pm - 11:45 pmSTT-SDF

8h 39m1 stop

$410Spirit Airlines

Find Deal

Wed, Dec 24 - Fri, Jan 9

5:05 am - 11:31 amSDF-STT

29h 26m1 stop

1:33 pm - 9:54 amSTT-SDF

21h 21m1 stop

$411Spirit Airlines

Find Deal

Wed, Dec 24 - Sun, Jan 11

6:00 am - 4:25 pmSDF-STT

9h 25m1 stop

4:15 pm - 11:55 pmSTT-SDF

8h 40m1 stop

$440Delta

Find Deal

Mon, Dec 22 - Thu, Jan 8

6:20 pm - 12:21 pmSDF-STT

17h 01m2 stops

2:45 pm - 8:33 amSTT-SDF

18h 48m2 stops

$451American Airlines

Find Deal

Fri, Feb 20 - Wed, Feb 25

7:13 pm - 4:57 pmSDF-STT

20h 44m2 stops

1:50 pm - 11:53 pmSTT-SDF

11h 03m1 stop

$456American Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

Delta flights from Louisville to Saint Thomas Island

Our best Delta deals on Louisville to Saint Thomas Island flight tickets

Delta

Feb 18

SDF8:55 amLouisville Intl

5h 59m

1 stop

STT3:54 pmSaint Thomas Island Cyril E King

Feb 25

STT3:00 pmSaint Thomas Island Cyril E King

6h 25m

1 stop

SDF8:25 pmLouisville Intl

$371

Find similar

Delta

Dec 22

SDF6:00 amLouisville Intl

9h 25m

1 stop

STT4:25 pmSaint Thomas Island Cyril E King

Jan 8

STT4:15 pmSaint Thomas Island Cyril E King

8h 40m

1 stop

SDF11:55 pmLouisville Intl

$440

Find similar

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 20

SDF6:20 pmLouisville Intl

17h 01m

2 stops

STT12:21 pmSaint Thomas Island Cyril E King

Feb 25

STT2:45 pmSaint Thomas Island Cyril E King

18h 48m

2 stops

SDF8:33 amLouisville Intl

$451

Find similar

American Airlines

Nov 18

SDF7:13 pmLouisville Intl

20h 44m

2 stops

STT4:57 pmSaint Thomas Island Cyril E King

Nov 22

STT1:50 pmSaint Thomas Island Cyril E King

11h 03m

1 stop

SDF11:53 pmLouisville Intl

$456

Find similar

American Airlines

Mar 10

SDF7:19 pmLouisville Intl

17h 36m

2 stops

STT12:55 pmSaint Thomas Island Cyril E King

Mar 11

STT5:30 pmSaint Thomas Island Cyril E King

6h 44m

1 stop

SDF12:14 amLouisville Intl

$481

Find similar

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 2/20

6:00 am-3:11 pm

1 stop8h 11m

Saint Thomas Island Cyril E King

Wed 2/25

4:06 pm-11:45 pm

1 stop8h 39m

$335

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 2/18

8:55 am-3:54 pm

1 stop5h 59m

Saint Thomas Island Cyril E King

Wed 2/25

3:00 pm-8:25 pm

1 stop6h 25m

$371

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 12/24

5:05 am-11:31 am

1 stop29h 26m

Saint Thomas Island Cyril E King

Sat 1/10

4:06 pm-11:45 pm

1 stop8h 39m

$395

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 12/24

5:05 am-11:31 am

1 stop29h 26m

Saint Thomas Island Cyril E King

Wed 1/7

12:31 pm-11:59 pm

1 stop12h 28m

$396

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 12/24

5:05 am-11:31 am

1 stop29h 26m

Saint Thomas Island Cyril E King

Thu 1/8

4:06 pm-11:45 pm

1 stop8h 39m

$406

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 12/24

5:05 am-11:31 am

1 stop29h 26m

Saint Thomas Island Cyril E King

Fri 1/9

4:06 pm-11:45 pm

1 stop8h 39m

$410

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 12/24

5:05 am-11:31 am

1 stop29h 26m

Saint Thomas Island Cyril E King

Sun 1/11

1:33 pm-9:54 am

1 stop21h 21m

$411

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 12/22

6:00 am-4:25 pm

1 stop9h 25m

Saint Thomas Island Cyril E King

Thu 1/8

4:15 pm-11:55 pm

1 stop8h 40m

$440

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 2/20

6:20 pm-12:21 pm

2 stops17h 01m

Saint Thomas Island Cyril E King

Wed 2/25

2:45 pm-8:33 am

2 stops18h 48m

$451

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 11/18

7:13 pm-4:57 pm

2 stops20h 44m

Saint Thomas Island Cyril E King

Sat 11/22

1:50 pm-11:53 pm

1 stop11h 03m

$456

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Showing 1-10 of 12 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 typical price of a round-trip flight between Louisville and Saint Thomas Island?

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

The month of February is another great option to travel to Saint Thomas Island, with average flight prices from Louisville averaging around $371.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Louisville is on a Friday. momondo users have found tickets for Friday departures for as low as $431. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Saint Thomas Island for around $691.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $260. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $564. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $552 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 $268 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

Direct flights	None

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 5h 59m.
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 November 2025.
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 (58% of total bookings). The next most popular airlines are Delta (21%), Spirit Airlines (15%), 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 $183	Free Cancellation	Rating 6.3 8,113 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
Delta	PriceFrom $349	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
American Airlines	PriceFrom $349	Free Cancellation	Rating 7.2 11,040 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.

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Cheap flights from Louisville to Saint Thomas Island from $298

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Delta flights from Louisville to Saint Thomas Island

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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

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

What is the typical price of a round-trip flight between Louisville and Saint Thomas Island?

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

The month of February is another great option to travel to Saint Thomas Island, with average flight prices from Louisville averaging around $371.

What is the cheapest day to depart on your flight to Saint Thomas Island?

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

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?

United Airlines and American 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: 67% 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 22m.

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 32m.

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

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