$218+ 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
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Saint Thomas Island with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to Saint Thomas Island
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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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/54:51 pm -
2 stops18h 26m
Mon 12/144:38 pm -
1 stop8h 05m
Deal found 10/21![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/24:35 pm -
2 stops18h 42m
Sun 12/64:38 pm -
2 stops17h 44m
Deal found 10/21![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/86:10 pm -
2 stops17h 06m
Thu 11/124:53 pm -
1 stop8h 32m
Deal found 10/24![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 10/24. 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 12/318:07 pm -
1 stop16h 26m
Tue 1/55:12 pm -
2 stops20h 06m
Deal found 10/24![American Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 10/21. 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 12/226:10 am -
1 stop9h 14m
Mon 12/281:59 pm -
1 stop11h 24m
Deal found 10/21![Delta logo]()
$517
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/96:03 am -
1 stop8h 59m
Wed 12/163:13 pm -
1 stop9h 46m
Deal found 10/21![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/207:31 pm -
1 stop15h 46m
Fri 12/252:14 pm -
1 stop6h 23m
Deal found 10/21![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 10/20. 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 10/245:59 pm -
2 stops18h 59m
Fri 10/303:46 pm -
1 stop7h 59m
Deal found 10/20![American Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 11/116:02 am -
1 stop9h 01m
Mon 11/164:53 pm -
1 stop8h 32m
Deal found 10/25![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:02 am -
1 stop9h 01m
Tue 11/104:33 pm -
1 stop8h 05m
Deal found 10/22![American Airlines logo]()
$573
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 1/55:00 am -
1 stop9h 42m
Tue 1/121:14 pm -
1 stop11h 45m
Deal found 10/22![American Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:03 am -
1 stop8h 02m
Thu 1/73:11 pm -
1 stop9h 48m
Deal found 10/24![Delta logo]()
$517
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 11/116:31 pm -
2 stops18h 07m
Mon 11/164:33 pm -
2 stops18h 05m
Deal found 10/25![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 12/24:35 pm -
2 stops18h 42m
Sun 12/64:38 pm -
2 stops17h 44m
Deal found 10/22![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 12/313:23 pm -
2 stops19h 54m
Tue 1/56:44 pm -
2 stops18h 34m
Deal found 10/25![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:02 am -
1 stop9h 01m
Tue 11/104:33 pm -
1 stop8h 05m
Deal found 10/22![American Airlines logo]()
$573
Last-minute flights from Louisville to Saint Thomas IslandDiscover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated October 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 10/238:18 pm -
2 stops16h 40m
Sun 10/253:46 pm -
2 stops20h 22m
Deal found 10/22![American Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 am -
1 stop30h 03m
Sun 10/252:00 pm -
1 stop8h 30m
Deal found 10/22![United Airlines logo]()
$859
This American Airlines deal was found by Cheapflights users on 10/20. 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 10/245:59 pm -
2 stops18h 59m
Fri 10/303:46 pm -
1 stop7h 59m
Deal found 10/20![American Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 10/23. 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 10/247:25 am -
1 stop8h 18m
Fri 10/302:00 pm -
1 stop9h 30m
Deal found 10/23![United Airlines logo]()
$743
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/66:31 pm -
2 stops18h 19m
Tue 11/102:01 pm -
1 stop10h 37m
Deal found 10/22![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/86:10 pm -
2 stops17h 06m
Thu 11/124:53 pm -
1 stop8h 32m
Deal found 10/24![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 11/116:04 am -
1 stop6h 09m
Mon 11/164:53 pm -
2 stops18h 44m
Deal found 10/25![American Airlines logo]()
$445
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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 2/86:28 pm -
2 stops16h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$218
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $440 (American Airlines) |
One-way from | $218 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $585 |
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 October 25, 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
6:28 pm-12:24 pm
2 stops16h 56m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$218
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Tue 1/5
5:00 am-3:42 pm
1 stop9h 42m
Saint Thomas Island Cyril E King
Tue 1/12
1:14 pm-11:59 pm
1 stop11h 45m
$440
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Wed 11/11
6:31 pm-1:38 pm
2 stops18h 07m
Saint Thomas Island Cyril E King
Mon 11/16
4:33 pm-9:38 am
2 stops18h 05m
$445
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Wed 12/2
4:35 pm-12:17 pm
2 stops18h 42m
Saint Thomas Island Cyril E King
Sun 12/6
4:38 pm-9:22 am
2 stops17h 44m
$445
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Thu 12/31
6:03 am-3:05 pm
1 stop8h 02m
Saint Thomas Island Cyril E King
Thu 1/7
3:11 pm-11:59 pm
1 stop9h 48m
$517
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Thu 12/31
3:23 pm-12:17 pm
2 stops19h 54m
Saint Thomas Island Cyril E King
Tue 1/5
6:44 pm-12:18 pm
2 stops18h 34m
$542
LouisvilleSaint Thomas Island
SDF Louisville Intl - STT Saint Thomas Island Cyril E King
SDFSTT
Louisville Intl
Fri 11/6
6:02 am-4:03 pm
1 stop9h 01m
Saint Thomas Island Cyril E King
Tue 11/10
4:33 pm-11:38 pm
1 stop8h 05m
$573
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 October.
| 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 | |
| Price Accuracy2 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 58 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 December is currently the most expensive (average of $1,530). 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 $618 and $718 in February.The cheapest round-trip price found within the last 5 days was $440 on American Airlines (Feb 19-Feb 26).
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 October 25, 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.
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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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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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Find flights from Louisville to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Saint Thomas Island flights
Browse other Louisville and Saint Thomas Island flight options. Last updated on October 25, 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 October 25, 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 October 25, 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$499 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$588 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$585 | FlexibilityNo cancel fee | On-time71% |