$189+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STT
Apr 8 — Apr 151
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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Best
Last-minute
One-way
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 March 9, 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 March 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:59 pm
STL
- STT
1 stop15h 55m
Multiple Airlines
Sat 4/1810:49 am
STT
- STL
2 stops45h 01m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 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
Fri 4/1710:49 am
STT
- STL
2 stops21h 01m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 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
Thu 4/1610:49 am
STT
- STL
1 stop13h 30m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Wed 3/254:35 pm
STT
- STL
2 stops18h 56m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Mon 3/302:36 pm
STT
- STL
2 stops20h 56m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:16 pm
STL
- STT
2 stops16h 10m
Multiple Airlines
Tue 4/72:36 pm
STT
- STL
1 stop9h 49m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 pm
STL
- STT
2 stops18h 52m
Multiple Airlines
Sat 4/2510:49 am
STT
- STL
1 stop13h 30m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/214:59 pm
STL
- STT
1 stop15h 55m
Multiple Airlines
Mon 4/2712:25 pm
STT
- STL
2 stops43h 25m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/136:30 am
STL
- STT
1 stop8h 01m
United Airlines
Thu 4/162:10 pm
STT
- STL
1 stop10h 01m
United Airlines
Deal found 3/6![United Airlines logo]()
$372
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 March 9, 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 March 9, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/136:30 am
STL
- STT
1 stop8h 01m
United Airlines
Thu 4/162:10 pm
STT
- STL
1 stop8h 42m
United Airlines
Deal found 3/7![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 4/226:00 am
STL
- STT
1 stop6h 51m
Delta
Tue 4/283:05 pm
STT
- STL
1 stop9h 31m
Delta
Deal found 3/7![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 5/186:54 pm
STL
- STT
1 stop16h 13m
American Airlines
Mon 5/254:42 pm
STT
- STL
1 stop16h 51m
American Airlines
Deal found 3/8![American Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 3/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:50 pm
STL
- STT
2 stops16h 10m
Southwest
Wed 6/242:35 pm
STT
- STL
1 stop9h 35m
Southwest
Deal found 3/4![Southwest logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:40 pm
STL
- STT
2 stops38h 14m
Multiple Airlines
Sun 5/3110:49 am
STT
- STL
1 stop23h 48m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 4/216:30 am
STL
- STT
1 stop8h 01m
United Airlines
Tue 4/282:10 pm
STT
- STL
1 stop8h 42m
United Airlines
Deal found 3/6![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:25 am
STL
- STT
1 stop7h 53m
United Airlines
Tue 3/242:35 pm
STT
- STL
1 stop8h 41m
United Airlines
Deal found 3/4![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/246:30 am
STL
- STT
1 stop8h 01m
United Airlines
Tue 4/282:10 pm
STT
- STL
1 stop8h 03m
United Airlines
Deal found 3/6![United Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:10 pm
STL
- STT
2 stops16h 50m
Southwest
Tue 7/142:35 pm
STT
- STL
2 stops9h 25m
Southwest
Deal found 3/6![Southwest logo]()
$560
Last-minute flights from St. Louis to Saint Thomas IslandDiscover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated March 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated March 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Wed 3/254:35 pm
STT
- STL
2 stops18h 56m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:51 pm
STL
- STT
1 stop19h 35m
Multiple Airlines
Mon 3/302:36 pm
STT
- STL
2 stops20h 56m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:16 pm
STL
- STT
2 stops16h 10m
Multiple Airlines
Tue 4/72:36 pm
STT
- STL
1 stop9h 49m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 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
Fri 4/1710:49 am
STT
- STL
2 stops21h 01m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 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
Thu 4/1610:49 am
STT
- STL
1 stop13h 30m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/136:30 am
STL
- STT
1 stop8h 01m
United Airlines
Thu 4/162:10 pm
STT
- STL
1 stop8h 42m
United Airlines
Deal found 3/7![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:59 pm
STL
- STT
1 stop15h 55m
Multiple Airlines
Sat 4/1810:49 am
STT
- STL
2 stops45h 01m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/214:59 pm
STL
- STT
1 stop15h 55m
Multiple Airlines
Mon 4/2712:25 pm
STT
- STL
2 stops43h 25m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 pm
STL
- STT
2 stops18h 52m
Multiple Airlines
Sat 4/2510:49 am
STT
- STL
1 stop13h 30m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$367
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 March 9, 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 March 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- STT
2 stops24h 54m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Thu 4/166:55 pm
STL
- STT
1 stop14h 52m
American Airlines
Deal found 3/4![American Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 3/4. 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 3/177:03 am
STL
- STT
1 stop6h 42m
Delta
Deal found 3/4![Delta logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:06 pm
STL
- STT
3 stops36h 48m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/186:00 am
STL
- STT
2 stops9h 29m
American Airlines
Deal found 3/6![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/176:00 am
STL
- STT
2 stops9h 29m
American Airlines
Deal found 3/5![American Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:50 am
STL
- STT
3 stops26h 36m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$273
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 March 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (Kiwi.com) |
One-way from | $189 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $694 |
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 March 9, 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
Mon 4/13
6:30 am-3:31 pm
1 stop8h 01m
Saint Thomas Island Cyril E King
Thu 4/16
2:10 pm-9:52 pm
1 stop8h 42m
$372
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Wed 4/22
6:00 am-1:51 pm
1 stop6h 51m
Saint Thomas Island Cyril E King
Tue 4/28
3:05 pm-11:36 pm
1 stop9h 31m
$372
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Tue 4/21
6:30 am-3:31 pm
1 stop8h 01m
Saint Thomas Island Cyril E King
Tue 4/28
2:10 pm-9:52 pm
1 stop8h 42m
$372
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 3/20
6:25 am-3:18 pm
1 stop7h 53m
Saint Thomas Island Cyril E King
Tue 3/24
2:35 pm-10:16 pm
1 stop8h 41m
$457
Quickest round-trip
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 4/24
6:30 am-3:31 pm
1 stop8h 01m
Saint Thomas Island Cyril E King
Tue 4/28
2:10 pm-9:13 pm
1 stop8h 03m
$462
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Mon 5/18
6:54 pm-12:07 pm
1 stop16h 13m
Saint Thomas Island Cyril E King
Mon 5/25
4:42 pm-8:33 am
1 stop16h 51m
$466
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sat 6/20
8:50 pm-2:00 pm
2 stops16h 10m
Saint Thomas Island Cyril E King
Wed 6/24
2:35 pm-11:10 pm
1 stop9h 35m
$554
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 7/10
8:10 pm-2:00 pm
2 stops16h 50m
Saint Thomas Island Cyril E King
Tue 7/14
2:35 pm-11:00 pm
2 stops9h 25m
$560
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Sun 5/24
6:40 pm-9:54 am
2 stops38h 14m
Saint Thomas Island Cyril E King
Sun 5/31
10:49 am-9:37 am
1 stop23h 48m
$580
Cheapest one-way
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Wed 3/18
11:32 am-1:26 pm
2 stops24h 54m
$189
Showing 1-10 of 15 resultsSorted 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 March.
| 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 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 March 6, 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 25 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 $514). 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 March 9, 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.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 March 9, 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$589 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$850 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$501 | Average$754 | FlexibilityNo cancel fee | On-time71% |