$188+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STT
Oct 9 — Oct 161
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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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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/76:11 pm -
2 stops18h 27m
Tue 11/104:53 pm -
1 stop8h 06m
Deal found 9/8![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/195:19 pm -
2 stops19h 08m
Sun 10/253:46 pm -
2 stops20h 22m
Deal found 9/5![American Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 12/136:50 am -
1 stop8h 30m
Wed 12/163:00 pm -
1 stop9h 15m
Deal found 9/5![United Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/175:19 pm -
2 stops19h 22m
Sat 10/241:48 pm -
2 stops19h 44m
Deal found 9/5![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/66:07 pm -
2 stops18h 34m
Sat 10/103:46 pm -
2 stops20h 24m
Deal found 9/7![American Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/206:07 pm -
2 stops18h 34m
Sun 10/253:46 pm -
2 stops20h 24m
Deal found 9/5![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/136:10 pm -
2 stops17h 07m
Tue 12/222:34 pm -
1 stop9h 40m
Deal found 9/8![American Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/144:46 pm -
2 stops18h 30m
Sat 11/211:07 pm -
2 stops12h 02m
Deal found 9/7![American Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 12/179:50 am -
1 stop7h 00m
Thu 12/241:07 pm -
1 stop7h 13m
Deal found 9/7![United Airlines logo]()
$553
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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 2/86:00 am -
1 stop7h 17m
Sat 2/134:27 pm -
2 stops17h 06m
Deal found 9/7![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 1/297:00 am -
1 stop8h 20m
Tue 2/23:00 pm -
1 stop9h 19m
Deal found 9/7![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 2/86:00 am -
1 stop8h 05m
Sat 2/134:15 pm -
1 stop8h 47m
Deal found 9/5![Delta logo]()
$571
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/206:07 pm -
2 stops18h 34m
Sun 10/253:46 pm -
2 stops20h 24m
Deal found 9/5![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 2/196:01 am -
1 stop8h 35m
Fri 2/264:27 pm -
1 stop8h 32m
Deal found 9/9![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 2/17:00 am -
1 stop8h 20m
Fri 2/51:07 pm -
2 stops12h 03m
Deal found 9/8![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 12/179:50 am -
1 stop7h 00m
Thu 12/241:07 pm -
2 stops10h 32m
Deal found 9/7![United Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/296:00 am -
1 stop6h 56m
Sat 11/71:07 pm -
1 stop7h 23m
Deal found 9/5![United Airlines logo]()
$699
Last-minute flights from Louisville to Saint Thomas IslandDiscover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/66:07 pm -
2 stops18h 34m
Sat 10/103:46 pm -
2 stops20h 24m
Deal found 9/7![American Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/98:18 pm -
2 stops18h 37m
Sun 10/113:46 pm -
2 stops20h 22m
Deal found 9/8![American Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/175:19 pm -
2 stops19h 22m
Sat 10/241:48 pm -
2 stops19h 44m
Deal found 9/5![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/195:19 pm -
2 stops19h 08m
Sun 10/253:46 pm -
2 stops20h 22m
Deal found 9/5![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/206:07 pm -
2 stops18h 34m
Sun 10/253:46 pm -
2 stops20h 24m
Deal found 9/5![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/296:00 am -
1 stop6h 56m
Sat 11/71:07 pm -
2 stops10h 23m
Deal found 9/5![United Airlines logo]()
$699
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 September 9, 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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 2/87:00 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$188
This American Airlines deal was found by Cheapflights users on 9/5. 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 2/84:08 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$229
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $380 (American Airlines) |
One-way from | $188 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $801 |
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 7,457,451 searches. Data last updated September 9, 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
Quickest round-trip
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Mon 2/8
7:00 am-4:15 pm
1 stop8h 15m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$188
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Mon 2/8
4:08 pm-12:13 pm
2 stops19h 05m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Mon 2/8
6:00 am-2:17 pm
1 stop7h 17m
Saint Thomas Island Cyril E King
Sat 2/13
4:27 pm-8:33 am
2 stops17h 06m
$380
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Fri 1/29
7:00 am-4:20 pm
1 stop8h 20m
Saint Thomas Island Cyril E King
Tue 2/2
3:00 pm-11:19 pm
1 stop9h 19m
$461
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Tue 10/20
6:07 pm-12:41 pm
2 stops18h 34m
Saint Thomas Island Cyril E King
Sun 10/25
3:46 pm-12:10 pm
2 stops20h 24m
$491
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Fri 2/19
6:01 am-3:36 pm
1 stop8h 35m
Saint Thomas Island Cyril E King
Fri 2/26
4:27 pm-11:59 pm
1 stop8h 32m
$509
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Mon 2/8
6:00 am-3:05 pm
1 stop8h 05m
Saint Thomas Island Cyril E King
Sat 2/13
4:15 pm-12:02 am
1 stop8h 47m
$571
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Mon 2/1
7:00 am-4:20 pm
1 stop8h 20m
Saint Thomas Island Cyril E King
Fri 2/5
1:07 pm-12:10 am
2 stops12h 03m
$609
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Thu 12/17
9:50 am-5:50 pm
1 stop7h 00m
Saint Thomas Island Cyril E King
Thu 12/24
1:07 pm-10:39 pm
2 stops10h 32m
$621
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Thu 10/29
6:00 am-12:56 pm
1 stop6h 56m
Saint Thomas Island Cyril E King
Sat 11/7
1:07 pm-7:30 pm
1 stop7h 23m
$699
Sorted 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 September.
| 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 37 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 September is currently the most expensive (average of $801). 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.
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 September 9, 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.
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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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Louisville and Saint Thomas Island flights
Browse other Louisville and Saint Thomas Island flight options. Last updated on September 9, 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 September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 9, 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$604 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$560 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$569 | FlexibilityNo cancel fee | On-time71% |