$168+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STT
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Saint Thomas Island with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
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Cheapest flights from Louisville to Saint Thomas IslandExplore 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 July 27, 2026.
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 July 27, 2026.
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/226:08 am
SDF
- STT
2 stops9h 44m
American Airlines
Sat 8/294:42 pm
STT
- SDF
1 stop7h 09m
American Airlines
Deal found 7/23![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/226:08 am
SDF
- STT
2 stops9h 44m
American Airlines
Fri 8/284:42 pm
STT
- SDF
2 stops20h 07m
American Airlines
Deal found 7/22![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/35:59 pm
SDF
- STT
2 stops18h 52m
American Airlines
Tue 10/61:48 pm
STT
- SDF
1 stop9h 11m
American Airlines
Deal found 7/25![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/247:12 pm
SDF
- STT
2 stops17h 41m
American Airlines
Thu 8/274:42 pm
STT
- SDF
2 stops19h 25m
American Airlines
Deal found 7/27![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/175:04 am
SDF
- STT
1 stop7h 35m
American Airlines
Wed 10/211:48 pm
STT
- SDF
1 stop9h 11m
American Airlines
Deal found 7/25![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/288:16 am
SDF
- STT
1 stop6h 43m
American Airlines
Mon 8/314:42 pm
STT
- SDF
2 stops19h 25m
American Airlines
Deal found 7/25![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 10/175:04 am
SDF
- STT
1 stop7h 35m
American Airlines
Sat 10/243:46 pm
STT
- SDF
2 stops20h 25m
American Airlines
Deal found 7/23![American Airlines logo]()
$478
Best flights from Louisville to Saint Thomas IslandDiscover carefully curated flight deals from Louisville to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Louisville to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 10/137:08 pm
SDF
- STT
2 stops17h 50m
American Airlines
Fri 10/161:48 pm
STT
- SDF
2 stops19h 44m
American Airlines
Deal found 7/22![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 10/177:25 am
SDF
- STT
1 stop8h 18m
United Airlines
Sat 10/242:10 pm
STT
- SDF
1 stop9h 45m
United Airlines
Deal found 7/23![United Airlines logo]()
$653
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/226:08 am
SDF
- STT
2 stops9h 44m
American Airlines
Fri 8/284:42 pm
STT
- SDF
2 stops20h 07m
American Airlines
Deal found 7/22![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/35:59 pm
SDF
- STT
2 stops18h 52m
American Airlines
Tue 10/63:46 pm
STT
- SDF
2 stops18h 57m
American Airlines
Deal found 7/25![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/175:04 am
SDF
- STT
1 stop7h 35m
American Airlines
Wed 10/211:48 pm
STT
- SDF
1 stop9h 11m
American Airlines
Deal found 7/25![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 10/186:00 am
SDF
- STT
1 stop8h 55m
American Airlines
Sat 10/243:46 pm
STT
- SDF
2 stops20h 25m
American Airlines
Deal found 7/23![American Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/27:12 pm
SDF
- STT
2 stops20h 40m
American Airlines
Wed 9/91:41 pm
STT
- SDF
2 stops24h 02m
American Airlines
Deal found 7/26![American Airlines logo]()
$532
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/168:12 pm
SDF
- STT
2 stops19h 40m
American Airlines
Thu 8/204:42 pm
STT
- SDF
2 stops19h 25m
American Airlines
Deal found 7/25![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/137:12 pm
SDF
- STT
2 stops20h 40m
American Airlines
Mon 8/171:49 pm
STT
- SDF
2 stops20h 29m
American Airlines
Deal found 7/24![American Airlines logo]()
$685
Last-minute flights from Louisville to Saint Thomas IslandDiscover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated July 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/226:08 am
SDF
- STT
2 stops9h 44m
American Airlines
Sat 8/294:42 pm
STT
- SDF
1 stop7h 09m
American Airlines
Deal found 7/23![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/226:08 am
SDF
- STT
2 stops9h 44m
American Airlines
Fri 8/284:42 pm
STT
- SDF
2 stops20h 07m
American Airlines
Deal found 7/22![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/247:12 pm
SDF
- STT
2 stops17h 41m
American Airlines
Thu 8/274:42 pm
STT
- SDF
2 stops19h 25m
American Airlines
Deal found 7/27![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/288:16 am
SDF
- STT
1 stop6h 43m
American Airlines
Mon 8/314:42 pm
STT
- SDF
2 stops19h 25m
American Airlines
Deal found 7/25![American Airlines logo]()
$464
One-way flights from Louisville to Saint Thomas IslandSearch for one-way flight options from Louisville to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Louisville to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Delta deal was found by Cheapflights users on 7/26. 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 9/87:05 am
SDF
- STT
1 stop6h 37m
Delta
Deal found 7/26![Delta logo]()
$168
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 9/811:10 am
SDF
- STT
2 stops25h 41m
American Airlines
Deal found 7/26![American Airlines logo]()
$239
Find 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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $340 (American Airlines) |
One-way from | $168 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $717 |
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 July 27, 2026.
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
Cheapest round-trip
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Tue 10/13
7:08 pm-12:58 pm
2 stops17h 50m
Saint Thomas Island Cyril E King
Fri 10/16
1:48 pm-9:32 am
2 stops19h 44m
$340
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sat 8/22
6:08 am-3:52 pm
2 stops9h 44m
Saint Thomas Island Cyril E King
Fri 8/28
4:42 pm-12:49 pm
2 stops20h 07m
$365
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sat 10/3
5:59 pm-12:51 pm
2 stops18h 52m
Saint Thomas Island Cyril E King
Tue 10/6
3:46 pm-10:43 am
2 stops18h 57m
$380
Quickest round-trip
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sat 10/17
5:04 am-12:39 pm
1 stop7h 35m
Saint Thomas Island Cyril E King
Wed 10/21
1:48 pm-10:59 pm
1 stop9h 11m
$445
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sun 10/18
6:00 am-2:55 pm
1 stop8h 55m
Saint Thomas Island Cyril E King
Sat 10/24
3:46 pm-12:11 pm
2 stops20h 25m
$478
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Wed 9/2
7:12 pm-3:52 pm
2 stops20h 40m
Saint Thomas Island Cyril E King
Wed 9/9
1:41 pm-1:43 pm
2 stops24h 02m
$532
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sun 8/16
8:12 pm-3:52 pm
2 stops19h 40m
Saint Thomas Island Cyril E King
Thu 8/20
4:42 pm-12:07 pm
2 stops19h 25m
$604
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Sat 10/17
7:25 am-3:43 pm
1 stop8h 18m
Saint Thomas Island Cyril E King
Sat 10/24
2:10 pm-11:55 pm
1 stop9h 45m
$653
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Thu 8/13
7:12 pm-3:52 pm
2 stops20h 40m
Saint Thomas Island Cyril E King
Mon 8/17
1:49 pm-10:18 am
2 stops20h 29m
$685
Cheapest one-way
Quickest one-way
LouisvilleSaint Thomas Island
SDF - STT
SDFSTT
Louisville Intl
Tue 9/8
7:05 am-1:42 pm
1 stop6h 37m
$168
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Louisville to Saint Thomas Island
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Saint Thomas Island in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Saint Thomas Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SDF-STT
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?
Booking 28 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, January is the cheapest month in which you can book a flight from Louisville to Saint Thomas Island (average of $437). Flying from Louisville to Saint Thomas Island in June is currently the most expensive (average of $740). 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.
How much does it cost to fly round-trip from Louisville to Saint Thomas Island?
Airfare is below average for this route at the moment.
Louisville to Saint Thomas Island flights typically cost between $451 and $592 in August.The cheapest round-trip price found within the last 5 days was $340 on American Airlines (Aug 22-Aug 29).
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 July 27, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Complete your trip
Complete your trip to Saint Thomas Island by adding a car rental and/or hotel reservation to your travel itinerary.
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Louisville and Saint Thomas Island flights
Browse other Louisville and Saint Thomas Island flight options. Last updated on July 27, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Popular flight searches
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Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Top 3 airlines flying from Louisville to Saint Thomas Island
Discover the top 3 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$599 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$560 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$549 | FlexibilityNo cancel fee | On-time71% |