$215+ Cheap flights from St. Louis (STL) 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STT
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Saint Thomas Island
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Cheapest flights from St. Louis to Saint Thomas IslandExplore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
This American Airlines deal was found by Cheapflights users on 5/4. 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 7/145:48 pm
STL
- STT
2 stops18h 11m
American Airlines
Thu 7/234:46 pm
STT
- STL
1 stop16h 48m
American Airlines
Deal found 5/4![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:24 am
STL
- STT
1 stop6h 51m
American Airlines
Wed 5/202:05 pm
STT
- STL
1 stop9h 19m
American Airlines
Deal found 5/5![American Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:17 pm
STL
- STT
1 stop22h 20m
Multiple Airlines
Tue 6/234:39 pm
STT
- STL
1 stop8h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 5/136:00 am
STL
- STT
1 stop8h 17m
Delta
Wed 5/203:01 pm
STT
- STL
1 stop9h 58m
Delta
Deal found 5/1![Delta logo]()
$455
This American Airlines deal was found by Cheapflights users on 5/4. 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 8/185:00 am
STL
- STT
1 stop6h 52m
American Airlines
Mon 8/244:42 pm
STT
- STL
1 stop19h 03m
American Airlines
Deal found 5/4![American Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 5/4. 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 11/35:21 am
STL
- STT
1 stop7h 54m
American Airlines
Sun 11/86:17 pm
STT
- STL
2 stops18h 20m
American Airlines
Deal found 5/4![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/167:45 am
STL
- STT
1 stop8h 15m
United Airlines
Tue 5/191:22 pm
STT
- STL
1 stop10h 08m
United Airlines
Deal found 4/30![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 5/4. 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.
Sun 9/136:00 am
STL
- STT
1 stop6h 44m
Delta
Wed 9/232:54 pm
STT
- STL
1 stop6h 56m
Delta
Deal found 5/4![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/265:33 am
STL
- STT
1 stop6h 07m
American Airlines
Sun 11/14:18 pm
STT
- STL
2 stops18h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$520
Best flights from St. Louis to Saint Thomas IslandDiscover carefully curated flight deals from St. Louis to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from St. Louis to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/167:45 am
STL
- STT
1 stop8h 15m
United Airlines
Tue 5/191:22 pm
STT
- STL
1 stop10h 08m
United Airlines
Deal found 5/2![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 5/297:05 am
STL
- STT
1 stop7h 23m
Delta
Wed 6/33:01 pm
STT
- STL
1 stop9h 58m
Delta
Deal found 5/1![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/105:40 pm
STL
- STT
2 stops18h 04m
American Airlines
Mon 6/154:42 pm
STT
- STL
1 stop16h 50m
American Airlines
Deal found 5/5![American Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 5/4. 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 9/156:00 am
STL
- STT
1 stop6h 44m
Delta
Sun 9/202:54 pm
STT
- STL
1 stop6h 56m
Delta
Deal found 5/4![Delta logo]()
$643
This Delta deal was found by Cheapflights users on 5/4. 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.
Wed 9/166:00 am
STL
- STT
1 stop6h 44m
Delta
Sun 9/202:54 pm
STT
- STL
1 stop6h 56m
Delta
Deal found 5/4![Delta logo]()
$643
Last-minute flights from St. Louis to Saint Thomas IslandDiscover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated May 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:24 am
STL
- STT
1 stop6h 51m
American Airlines
Wed 5/202:05 pm
STT
- STL
1 stop9h 19m
American Airlines
Deal found 5/5![American Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 5/136:00 am
STL
- STT
1 stop8h 17m
Delta
Wed 5/203:01 pm
STT
- STL
1 stop9h 58m
Delta
Deal found 5/1![Delta logo]()
$455
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/167:45 am
STL
- STT
1 stop8h 15m
United Airlines
Sat 5/2312:09 pm
STT
- STL
1 stop8h 17m
United Airlines
Deal found 5/2![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 5/2. 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 5/166:53 pm
STL
- STT
2 stops15h 42m
American Airlines
Sat 5/233:42 pm
STT
- STL
1 stop18h 09m
American Airlines
Deal found 5/2![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/167:45 am
STL
- STT
1 stop8h 15m
United Airlines
Tue 5/191:22 pm
STT
- STL
1 stop10h 08m
United Airlines
Deal found 4/30![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 5/297:05 am
STL
- STT
1 stop7h 23m
Delta
Wed 6/33:01 pm
STT
- STL
1 stop9h 58m
Delta
Deal found 5/1![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/127:24 pm
STL
- STT
1 stop18h 28m
American Airlines
Tue 6/161:35 pm
STT
- STL
2 stops11h 24m
American Airlines
Deal found 4/30![American Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:17 pm
STL
- STT
1 stop22h 20m
Multiple Airlines
Tue 6/234:39 pm
STT
- STL
1 stop8h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$451
One-way flights from St. Louis to Saint Thomas IslandSearch for one-way flight options from St. Louis to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from St. Louis to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/104:19 pm
STL
- STT
1 stop20h 57m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$215
Find flight deals from St. Louis to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $420 (American Airlines) |
One-way from | $215 (Trip.com) |
Popular in | July |
Cheapest in | September |
Average price | $634 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 May 5, 2026.
Use the filters below to find and compare flights from St. Louis to Saint Thomas Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sat 5/16
7:45 am-5:00 pm
1 stop8h 15m
Saint Thomas Island Cyril E King
Tue 5/19
1:22 pm-10:30 pm
1 stop10h 08m
$510
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 5/29
7:05 am-3:28 pm
1 stop7h 23m
Saint Thomas Island Cyril E King
Wed 6/3
3:01 pm-11:59 pm
1 stop9h 58m
$519
Quickest round-trip
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Tue 9/15
6:00 am-1:44 pm
1 stop6h 44m
Saint Thomas Island Cyril E King
Sun 9/20
2:54 pm-8:50 pm
1 stop6h 56m
$643
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Wed 9/16
6:00 am-1:44 pm
1 stop6h 44m
Saint Thomas Island Cyril E King
Sun 9/20
2:54 pm-8:50 pm
1 stop6h 56m
$643
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Wed 6/10
5:40 pm-12:44 pm
2 stops18h 04m
Saint Thomas Island Cyril E King
Mon 6/15
4:42 pm-8:32 am
1 stop16h 50m
$645
Cheapest one-way
Quickest one-way
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sun 5/10
4:19 pm-2:16 pm
1 stop20h 57m
$215
Sorted by cheapest first
Compare providers for flights from St. Louis 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 St. Louis to Saint Thomas Island in May.
| 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 Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-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 St. Louis-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Saint Thomas Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-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 St. Louis-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 St. Louis to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from St. Louis with our price prediction graph.
STL-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 St. Louis to Saint Thomas Island
How far ahead should I book a flight from St. Louis to Saint Thomas Island?
The price you pay for your flight from St. Louis to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Saint Thomas Island (average of $537). Flying from St. Louis to Saint Thomas Island in July is currently the most expensive (average of $869). 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 St. Louis 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 May 5, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Saint Thomas Island to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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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St. Louis and Saint Thomas Island flights
Browse other St. Louis and Saint Thomas Island flight options. Last updated on May 5, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 5, 2026.
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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 May 5, 2026.
Top 4 airlines flying from St. Louis to Saint Thomas Island
Discover the top 4 airlines that operate flights from St. Louis 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$599 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$389 | Average$582 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$509 | Average$696 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$554 | Average$700 | FlexibilityNo cancel fee | On-time63% |