$174+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STT
Mar 23 — Mar 301
1 adult, Economy
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Find cheap flights from St. Louis 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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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 February 21, 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 February 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Wed 4/158:23 pm
STL
- STT
2 stops15h 05m
Multiple Airlines
Thu 4/162:36 pm
STT
- STL
1 stop9h 43m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/134:59 pm
STL
- STT
1 stop19h 27m
Multiple Airlines
Wed 4/152:36 pm
STT
- STL
2 stops20h 54m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:59 pm
STL
- STT
1 stop19h 27m
Multiple Airlines
Tue 4/142:36 pm
STT
- STL
2 stops17h 14m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/134:59 pm
STL
- STT
1 stop19h 27m
Multiple Airlines
Fri 4/172:36 pm
STT
- STL
2 stops29h 56m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 4/124:59 pm
STL
- STT
1 stop19h 27m
Multiple Airlines
Wed 4/152:36 pm
STT
- STL
2 stops20h 54m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/138:41 am
STL
- STT
1 stop27h 45m
Multiple Airlines
Thu 4/161:23 pm
STT
- STL
2 stops18h 27m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 2/243:49 pm
STL
- STT
1 stop20h 42m
Multiple Airlines
Tue 3/35:40 pm
STT
- STL
2 stops15h 11m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$367
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 February 21, 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 February 21, 2026.
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 4/186:00 am
STL
- STT
1 stop6h 51m
Delta
Fri 4/243:05 pm
STT
- STL
1 stop9h 31m
Delta
Deal found 2/19![Delta logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 4/164:59 pm
STL
- STT
1 stop19h 32m
Multiple Airlines
Tue 4/211:23 pm
STT
- STL
1 stop10h 56m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 2/17. 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 3/226:57 pm
STL
- STT
2 stops15h 15m
American Airlines
Tue 3/3112:02 pm
STT
- STL
2 stops12h 42m
American Airlines
Deal found 2/17![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 4/117:03 am
STL
- STT
1 stop6h 56m
Delta
Thu 4/163:05 pm
STT
- STL
1 stop9h 31m
Delta
Deal found 2/19![Delta logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/194:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Thu 3/262:36 pm
STT
- STL
1 stop9h 43m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 4/116:00 am
STL
- STT
1 stop7h 59m
Delta
Wed 4/153:05 pm
STT
- STL
1 stop9h 31m
Delta
Deal found 2/19![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 2/19. 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 3/206:00 am
STL
- STT
1 stop7h 45m
Delta
Wed 3/2512:49 pm
STT
- STL
1 stop9h 17m
Delta
Deal found 2/19![Delta logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sun 3/84:51 pm
STL
- STT
1 stop19h 40m
Multiple Airlines
Sun 3/152:36 pm
STT
- STL
1 stop17h 26m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 2/21. 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 3/36:00 am
STL
- STT
1 stop7h 04m
Delta
Sun 3/81:55 pm
STT
- STL
1 stop11h 03m
Delta
Deal found 2/21![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 2/21. 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.
Fri 3/67:10 am
STL
- STT
1 stop5h 54m
Delta
Tue 3/103:00 pm
STT
- STL
1 stop7h 06m
Delta
Deal found 2/21![Delta logo]()
$425
Last-minute flights from St. Louis to Saint Thomas IslandDiscover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated February 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 2/243:49 pm
STL
- STT
1 stop20h 42m
Multiple Airlines
Tue 3/35:40 pm
STT
- STL
2 stops15h 11m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 2/21. 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.
Sat 2/287:10 am
STL
- STT
1 stop7h 12m
Delta
Sun 3/83:00 pm
STT
- STL
1 stop9h 58m
Delta
Deal found 2/21![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 2/287:10 am
STL
- STT
1 stop5h 54m
Delta
Wed 3/41:50 pm
STT
- STL
1 stop11h 46m
Delta
Deal found 2/19![Delta logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 3/13:49 pm
STL
- STT
1 stop20h 42m
Multiple Airlines
Tue 3/312:36 pm
STT
- STL
1 stop9h 43m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/64:21 pm
STL
- STT
1 stop20h 10m
Multiple Airlines
Tue 3/104:40 pm
STT
- STL
2 stops18h 57m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sun 3/84:51 pm
STL
- STT
1 stop19h 40m
Multiple Airlines
Sun 3/154:35 pm
STT
- STL
2 stops21h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/175:51 pm
STL
- STT
2 stops16h 21m
American Airlines
Mon 3/235:25 pm
STT
- STL
1 stop18h 07m
American Airlines
Deal found 2/21![American Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/194:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Thu 3/262:36 pm
STT
- STL
1 stop9h 43m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/202:23 pm
STL
- STT
1 stop22h 03m
Multiple Airlines
Wed 3/254:35 pm
STT
- STL
2 stops18h 56m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$437
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 February 21, 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 February 21, 2026.
This Trip.com deal was found by Cheapflights users on 2/19. 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.
Tue 3/174:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
STL
- STT
1 stop7h 45m
Delta
Deal found 2/20![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:25 am
STL
- STT
1 stop7h 53m
United Airlines
Deal found 2/20![United Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 2/17. 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.
Sat 8/156:00 am
STL
- STT
1 stop6h 52m
Delta
Deal found 2/17![Delta logo]()
$232
This deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:25 am
STL
- STT
1 stop7h 53m
United Airlines
Deal found 2/20![United Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:11 pm
STL
- STT
3 stops38h 20m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:49 pm
STL
- STT
3 stops22h 45m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sat 8/153:48 pm
STL
- STT
3 stops22h 46m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$406
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 February 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (Kiwi.com) |
One-way from | $174 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $558 |
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 February 21, 2026.
Use the filters below to find and compare flights from St. Louis to Saint Thomas Island that are best for you.
Fly from
St. Louis
Fly to
Saint Thomas Island
Route
Depart
Return
Price
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sat 4/18
6:00 am-1:51 pm
1 stop6h 51m
Saint Thomas Island Cyril E King
Fri 4/24
3:05 pm-11:36 pm
1 stop9h 31m
$400
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sat 4/11
7:03 am-2:59 pm
1 stop6h 56m
Saint Thomas Island Cyril E King
Thu 4/16
3:05 pm-11:36 pm
1 stop9h 31m
$400
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sat 4/11
6:00 am-2:59 pm
1 stop7h 59m
Saint Thomas Island Cyril E King
Wed 4/15
3:05 pm-11:36 pm
1 stop9h 31m
$400
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 3/20
6:00 am-2:45 pm
1 stop7h 45m
Saint Thomas Island Cyril E King
Wed 3/25
12:49 pm-9:06 pm
1 stop9h 17m
$400
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Thu 4/16
4:59 pm-1:31 pm
1 stop19h 32m
Saint Thomas Island Cyril E King
Tue 4/21
1:23 pm-11:19 pm
1 stop10h 56m
$414
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Tue 3/3
6:00 am-3:04 pm
1 stop7h 04m
Saint Thomas Island Cyril E King
Sun 3/8
1:55 pm-11:58 pm
1 stop11h 03m
$425
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 3/6
7:10 am-3:04 pm
1 stop5h 54m
Saint Thomas Island Cyril E King
Tue 3/10
3:00 pm-9:06 pm
1 stop7h 06m
$425
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Thu 3/19
4:51 pm-1:26 pm
1 stop19h 35m
Saint Thomas Island Cyril E King
Thu 3/26
2:36 pm-11:19 pm
1 stop9h 43m
$436
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sun 3/8
4:51 pm-1:31 pm
1 stop19h 40m
Saint Thomas Island Cyril E King
Sun 3/15
2:36 pm-7:02 am
1 stop17h 26m
$461
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sun 3/22
6:57 pm-11:12 am
2 stops15h 15m
Saint Thomas Island Cyril E King
Tue 3/31
12:02 pm-11:44 pm
2 stops12h 42m
$468
Showing 1-10 of 17 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Saint Thomas Island. Price data was last updated on February 20, 2026.
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 75 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, April is the cheapest month in which you can book a flight from St. Louis to Saint Thomas Island (average of $147). Flying from St. Louis to Saint Thomas Island in December is currently the most expensive (average of $504). 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 February 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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St. Louis and Saint Thomas Island flights
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Top 5 airlines flying from St. Louis to Saint Thomas Island
Discover the top 5 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 February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$270 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$352 | Average$602 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$599 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$498 | Average$758 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$499 | Average$850 | FlexibilityNo cancel fee | On-time63% |