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Saint Thomas Island

$253+ Cheap flights from Louisville (SDF) to Saint Thomas Island (STT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STT
jul. 16 — jul. 231
mié. 7/16
mié. 7/23
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 julio 11, 2025.

Round-trip from

$253
(FlightHub)

Popular in

June

Cheapest in

August

Average price

$553
From Louisville Intl to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($130 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 July 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 julio 11, 2025.

This FlightHub deal was found by Cheapflights users on 7/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:45 amSDF - STT
1 stop7h 32mSpirit Airlines
lun. 9/224:24 pmSTT - SDF
1 stop6h 16mSpirit Airlines
Deal found 7/10$253
This Mytrip deal was found by Cheapflights users on 7/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/318:13 pmSDF - STT
1 stop15h 18mMultiple Airlines
lun. 8/410:43 amSTT - SDF
2 stops22h 24mMultiple Airlines
Deal found 7/10$326
This American Airlines deal was found by Cheapflights users on 7/9. 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.
vie. 12/54:02 pmSDF - STT
2 stops19h 08mAmerican Airlines
sáb. 12/136:05 pmSTT - SDF
2 stops17h 32mAmerican Airlines
Deal found 7/9$371

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 julio 11, 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

vie. 9/19

7:45 am-3:17 pm

1 stop7h 32m

Saint Thomas Island Cyril E King

lun. 9/22

4:24 pm-10:40 pm

1 stop6h 16m

$253

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

jue. 7/31

8:13 pm-11:31 am

1 stop15h 18m

Saint Thomas Island Cyril E King

lun. 8/4

10:43 am-9:07 am

2 stops22h 24m

$326

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

vie. 12/5

4:02 pm-12:10 pm

2 stops19h 08m

Saint Thomas Island Cyril E King

sáb. 12/13

6:05 pm-10:37 am

2 stops17h 32m

$371

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

jue. 12/4

6:35 am-3:55 pm

1 stop8h 20m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

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 27, 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 $649). 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 julio 11, 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.

How much does it cost to fly round-trip from Louisville to Saint Thomas Island?

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 julio 11, 2025.
Get a feel of what it's like to fly with American Airlines and Spirit Airlines from Louisville to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Spirit Airlines
6.3
Okay
8,055 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

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 $253. Another airline that can offer you cheap pricing is American Airlines. Users have found that Spirit Airlines is 52% 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 $649). 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.

See more FAQs

Traveling to a place near Louisville?

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St. John

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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 julio 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$183Average$311FlexibilityNo cancel feeOn-time65%
DeltaCheapest$267Average$485FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$675FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$661FlexibilityNo cancel feeOn-time71%

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