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Saint Thomas Island

$174+ Cheap flights from Louisville (SDF) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Louisville to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$271
(FlightHub)

One-way from

$174
(FlightHub)

Popular in

June

Cheapest in

August

Average price

$816
From Louisville Intl to Saint Thomas Island Cyril E King
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One-way flight from Louisville Intl to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 19% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Louisville to Saint Thomas Island

Cheapest flights from Louisville to Saint Thomas Island
Explore the most affordable flight options available from Louisville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:13 pmSDF - STT
1 stop13h 35mSpirit Airlines
Wed 7/1610:43 amSTT - SDF
1 stop8h 25mSpirit Airlines
Deal found 6/12$271
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:10 amSDF - STT
1 stop6h 00mDelta
Sat 8/163:21 pmSTT - SDF
1 stop8h 35mDelta
Deal found 6/10$371
This American Airlines deal was found by Cheapflights users on 6/12. 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 11/135:15 amSDF - STT
1 stop9h 35mAmerican Airlines
Tue 11/186:15 pmSTT - SDF
1 stop6h 29mAmerican Airlines
Deal found 6/12$440
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2110:54 amSDF - STT
2 stops25h 35mMultiple Airlines
Tue 6/2410:47 amSTT - SDF
2 stops27h 25mMultiple Airlines
Deal found 6/12$509
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/247:19 amSDF - STT
1 stop8h 24mUnited Airlines
Fri 7/44:45 pmSTT - SDF
1 stop28h 21mUnited Airlines
Deal found 6/12$816

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Saint Thomas Island 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 June 12, 2025.
Use the filters below to find and compare flights from Louisville to Saint Thomas Island that are best for you.

Fly from

Louisville

Fly to

Saint Thomas Island

Route

Depart

Return

Price

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 7/9

8:13 pm-9:48 am

1 stop13h 35m

Saint Thomas Island Cyril E King

Wed 7/16

10:43 am-7:08 pm

1 stop8h 25m

$271

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 8/12

8:10 am-2:10 pm

1 stop6h 00m

Saint Thomas Island Cyril E King

Sat 8/16

3:21 pm-11:56 pm

1 stop8h 35m

$371

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Thu 11/13

5:15 am-3:50 pm

1 stop9h 35m

Saint Thomas Island Cyril E King

Tue 11/18

6:15 pm-11:44 pm

1 stop6h 29m

$440

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 8/8

12:16 pm-3:10 pm

2 stops26h 54m

Saint Thomas Island Cyril E King

Tue 8/12

10:43 am-8:11 am

3 stops45h 28m

$524

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Tue 6/24

7:19 am-3:43 pm

1 stop8h 24m

Saint Thomas Island Cyril E King

Fri 7/4

4:45 pm-9:06 pm

1 stop28h 21m

$816

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Thu 7/3

1:18 pm-1:58 pm

1 stop24h 40m

$174

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Sat 6/28

7:00 am-2:54 pm

1 stop7h 54m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Louisville to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island 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 Thomas Island

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Saint Thomas Island. Price data was last updated on June 9, 2025.

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Louisville to Saint Thomas Island (average of $433). Flying from Louisville to Saint Thomas Island in June is currently the most expensive (average of $650). 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.

What is the cheapest time of day to fly from SDF to STT?

Find hourly flight availability from Louisville to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Louisville to Saint Thomas Island at noon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Thomas Island. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Louisville to Saint Thomas Island round-trip?

    Cheapflights users have booked flights from Louisville to Saint Thomas Island round-trip from $271. Other airlines that can offer you cheap pricing are Delta, from $371, and American Airlines, from $440. Users have found that Spirit Airlines is 49% cheaper than the other options available to this destination.

  • Can I find deals for flights from Louisville to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Louisville to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Saint Thomas Island.

  • Can I find deals for business class flights from Louisville to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Louisville to Saint Thomas Island 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 Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Saint Thomas Island (average of $433). Flying from Louisville to Saint Thomas Island in June is currently the most expensive (average of $650). 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.

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Top 4 airlines flying from Louisville to Saint Thomas Island

Discover the top 4 airlines that operate flights from Louisville to Saint Thomas Island. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$180Average$319FlexibilityNo cancel feeOn-time65%
DeltaCheapest$267Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$675FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$330Average$675FlexibilityNo cancel feeOn-time71%

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