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 67% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 4 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: 6h 28m.

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

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 10m.

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

Flights via Atlanta (ATL) offer the lowest average round-trip price of $462.

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

Delta 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: 62% 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 September 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.

$198 Cheap Flights from Louisville to Saint Thomas Island in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Saint Thomas Island

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 pm - 12:21 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

15h 31m2 stops Charlotte Douglas Miami

4:27 pm - 9:32 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

18h 05m2 stops Miami Chicago O'Hare Intl

$400American Airlines

Tue, Mar 2 - Tue, Mar 9

7:13 pm - 1:48 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

17h 35m2 stops Dallas/Fort Worth Miami

2:13 pm - 9:35 pmSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

8h 22m1 stop Chicago O'Hare Intl

$400American Airlines

Tue, Mar 2 - Tue, Mar 9

6:10 am - 3:05 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

7h 55m1 stop Atlanta Hartsfield-Jackson

4:15 pm - 12:02 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

8h 47m1 stop Atlanta Hartsfield-Jackson

$445Delta

Thu, Dec 31 - Wed, Jan 13

8:20 am - 4:15 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

6h 55m1 stop Atlanta Hartsfield-Jackson

1:50 pm - 12:02 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

11h 12m1 stop Atlanta Hartsfield-Jackson

$445Delta

Tue, Mar 2 - Tue, Mar 9

7:00 am - 4:20 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

8h 20m1 stop Chicago O'Hare Intl

3:00 pm - 11:15 pmSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

9h 15m1 stop Newark

$496United Airlines

Fri, Feb 26 - Tue, Mar 2

10:00 am - 5:50 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

6h 50m1 stop Washington, D.C. Dulles Intl

3:00 pm - 12:10 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

10h 10m1 stop Chicago O'Hare Intl

$500United Airlines

Wed, Jan 6 - Wed, Jan 13

5:40 am - 1:50 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

7h 10m1 stop Baltimore/Washington

3:45 pm - 12:25 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

9h 40m1 stop Baltimore/Washington

$500Southwest

Sun, Dec 13 - Sun, Dec 20

9:40 am - 10:14 amSDF Louisville Intl-STT Saint Thomas Island Cyril E King

24h 34m2 stops Houston George Bush Intcntl San Juan Luis Munoz Marin Intl

12:07 pm - 7:30 pmSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

7h 23m1 stop Washington, D.C. Dulles Intl

$659Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

7:25 am - 7:50 amSDF Louisville Intl-STT Saint Thomas Island Cyril E King

24h 25m2 stops Houston George Bush Intcntl San Juan Luis Munoz Marin Intl

12:07 pm - 10:30 pmSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

10h 23m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$719Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

5:10 am - 3:00 pmSDF Louisville Intl-STT Saint Thomas Island Cyril E King

8h 50m1 stop Orlando

3:45 pm - 12:30 amSTT Saint Thomas Island Cyril E King-SDF Louisville Intl

9h 45m1 stop Baltimore/Washington

$762Southwest

Wed, Nov 25 - Mon, Nov 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Louisville to Saint Thomas Island

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

American Airlines

Jan 28

SDF6:10 amLouisville Intl

8h 00m

1 stop

STT3:10 pmSaint Thomas Island Cyril E King

Feb 1

STT3:00 pmSaint Thomas Island Cyril E King

9h 59m

1 stop

SDF11:59 pmLouisville Intl

$400

American Airlines

Feb 17

SDF6:01 amLouisville Intl

8h 35m

1 stop

STT3:36 pmSaint Thomas Island Cyril E King

Feb 24

STT1:16 pmSaint Thomas Island Cyril E King

11h 43m

1 stop

SDF11:59 pmLouisville Intl

$405

American Airlines

Feb 19

SDF6:29 amLouisville Intl

7h 28m

1 stop

STT2:57 pmSaint Thomas Island Cyril E King

Feb 26

STT3:13 pmSaint Thomas Island Cyril E King

18h 20m

2 stops

SDF8:33 amLouisville Intl

$419

United Airlines flights from Louisville to Saint Thomas Island

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

United Airlines

Feb 26

SDF7:00 amLouisville Intl

8h 20m

1 stop

STT4:20 pmSaint Thomas Island Cyril E King

Mar 2

STT3:00 pmSaint Thomas Island Cyril E King

9h 15m

1 stop

SDF11:15 pmLouisville Intl

$496

United Airlines

Jan 3

SDF7:00 amLouisville Intl

9h 50m

2 stops

STT5:50 pmSaint Thomas Island Cyril E King

Jan 13

STT3:00 pmSaint Thomas Island Cyril E King

10h 10m

1 stop

SDF12:10 amLouisville Intl

$500

United Airlines

Jan 1

SDF9:50 amLouisville Intl

7h 00m

1 stop

STT5:50 pmSaint Thomas Island Cyril E King

Jan 13

STT3:00 pmSaint Thomas Island Cyril E King

10h 10m

1 stop

SDF12:10 amLouisville Intl

$560

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

Cheapest round-trip

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Tue 3/2

7:50 pm-12:21 pm

2 stops15h 31m

Saint Thomas Island Cyril E King

Tue 3/9

4:27 pm-9:32 am

2 stops18h 05m

$400

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Tue 3/2

7:13 pm-1:48 pm

2 stops17h 35m

Saint Thomas Island Cyril E King

Tue 3/9

2:13 pm-9:35 pm

1 stop8h 22m

$400

Quickest round-trip

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Thu 12/31

6:10 am-3:05 pm

1 stop7h 55m

Saint Thomas Island Cyril E King

Wed 1/13

4:15 pm-12:02 am

1 stop8h 47m

$445

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Tue 3/2

8:20 am-4:15 pm

1 stop6h 55m

Saint Thomas Island Cyril E King

Tue 3/9

1:50 pm-12:02 am

1 stop11h 12m

$445

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Fri 2/26

7:00 am-4:20 pm

1 stop8h 20m

Saint Thomas Island Cyril E King

Tue 3/2

3:00 pm-11:15 pm

1 stop9h 15m

$496

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Wed 1/6

10:00 am-5:50 pm

1 stop6h 50m

Saint Thomas Island Cyril E King

Wed 1/13

3:00 pm-12:10 am

1 stop10h 10m

$500

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Sun 12/13

5:40 am-1:50 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Sun 12/20

3:45 pm-12:25 am

1 stop9h 40m

$500

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Tue 10/20

9:40 am-10:14 am

2 stops24h 34m

Saint Thomas Island Cyril E King

Mon 10/26

12:07 pm-7:30 pm

1 stop7h 23m

$659

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Tue 10/20

7:25 am-7:50 am

2 stops24h 25m

Saint Thomas Island Cyril E King

Mon 10/26

12:07 pm-10:30 pm

2 stops10h 23m

$719

LouisvilleSaint Thomas Island

SDF Louisville Intl - STT Saint Thomas Island Cyril E King

SDFSTT

Louisville Intl

Wed 11/25

5:10 am-3:00 pm

1 stop8h 50m

Saint Thomas Island Cyril E King

Mon 11/30

3:45 pm-12:30 am

1 stop9h 45m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Prices are currently low for flights on this route.

Typical prices usually range from $585 to $702.
The lowest price recently found on this route was $400.

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

The month of April is another great option to travel to Saint Thomas Island, with average flight prices from Louisville averaging around $511.

How far in advance should I book a flight from Louisville 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 $688 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 $272 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

Best Price Found	$198
Fastest flight time	6h 32m
Direct flights	None

The best one-way flight to Saint Thomas Island from Louisville in the past 72 hours is $198. The best round-trip flight deal from Louisville to Saint Thomas Island found on momondo in the last 72 hours is $400.

The fastest flight from Louisville to Saint Thomas Island takes 6h 32m

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

Frequently asked questions about flying from Louisville to Saint Thomas Island

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 6h 32m.
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 September 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 (51% of total bookings). The next most popular airlines are Delta (30%), United Airlines (14%), and Southwest (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
United Airlines	PriceFrom $273	Free Cancellation	Rating 7.4 10,261 reviews	Search United Airlines flights
Delta	PriceFrom $300	Free Cancellation	Rating 7.8 8,608 reviews	Search Delta flights
American Airlines	PriceFrom $320	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights
Southwest	PriceFrom $615	Free Cancellation	Rating 8.0 4,204 reviews	Search Southwest 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 10/30

Fri 11/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

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

Nearby airports

Airlines

Cabin classes

Other flights from Louisville

Complete your trip

Feeling lucky

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from Louisville to Saint Thomas Island from $198

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 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to Saint Thomas Island

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

American Airlines flights from Louisville to Saint Thomas Island

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

United Airlines flights from Louisville to Saint Thomas Island

Our best United 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 typical price of a round-trip flight between Louisville and Saint Thomas Island?

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

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

What is the cheapest airline that flies 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?

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

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

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

When to book flights from Louisville to Saint Thomas Island

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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.

Fly to other destinations from Louisville

According to popular flight searches on momondo this year

Complete your trip to Saint Thomas Island

Explore popular destinations other users love

According to popular flight searches on momondo this year