$580+ Cheap flights from Saint Thomas Island (STT) to Costa Rica
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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 Saint Thomas Island to Costa Rica
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Last-minute
Cheapest flights from Saint Thomas Island to Costa RicaExplore the most affordable flight options available from Saint Thomas Island to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Saint Thomas Island to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/2712:07 pm -
2 stops33h 32m
Tue 11/311:28 pm -
2 stops36h 28m
Deal found 9/12![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:48 pm -
1 stop8h 33m
Tue 11/32:01 pm -
1 stop20h 15m
Deal found 9/12![American Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/181:07 pm -
2 stops25h 35m
Wed 12/91:55 pm -
1 stop20h 10m
Deal found 9/16![United Airlines logo]()
$741
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/183:15 pm -
1 stop7h 35m
Wed 12/93:54 pm -
1 stop18h 23m
Deal found 9/14![American Airlines logo]()
$1,014
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:09 am -
3 stops15h 21m
Mon 11/21:50 am -
2 stops15h 30m
Deal found 9/12![Multiple Airlines logo]()
$1,207
Best flights from Saint Thomas Island to Costa RicaDiscover carefully curated flight deals from Saint Thomas Island to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Saint Thomas Island to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/2712:07 pm -
2 stops33h 32m
Tue 11/311:28 pm -
2 stops36h 28m
Deal found 9/12![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:48 pm -
1 stop8h 33m
Tue 11/32:01 pm -
1 stop20h 15m
Deal found 9/12![American Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/181:07 pm -
2 stops25h 35m
Wed 12/91:55 pm -
1 stop20h 10m
Deal found 9/16![United Airlines logo]()
$741
Last-minute flights from Saint Thomas Island to Costa RicaDiscover last-minute flight deals from Saint Thomas Island to Costa Rica. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Saint Thomas Island to Costa Rica. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/211:41 pm -
1 stop8h 26m
Sun 9/276:00 am -
1 stop28h 51m
Deal found 9/12![American Airlines logo]()
$3,510
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/2712:07 pm -
2 stops33h 32m
Tue 11/311:28 pm -
2 stops36h 28m
Deal found 9/12![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:48 pm -
1 stop8h 33m
Tue 11/32:01 pm -
1 stop20h 15m
Deal found 9/12![American Airlines logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:09 am -
3 stops15h 21m
Mon 11/21:50 am -
2 stops15h 30m
Deal found 9/12![Multiple Airlines logo]()
$1,207
Find flight deals from Saint Thomas Island to Costa Rica
Keep the following information in mind while searching for Saint Thomas Island to Costa Rica flight deals. Data was last updated September 17, 2026.
Round-trip from | $580 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Saint Thomas Island to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Saint Thomas IslandSan José
STT Saint Thomas Island Cyril E King - SJO San José Juan Santamaria Intl
STTSJO
Saint Thomas Island Cyril E King
Tue 10/27
12:07 pm-7:39 pm
2 stops33h 32m
San José Juan Santamaria Intl
Tue 11/3
11:28 pm-1:56 pm
2 stops36h 28m
$580
Quickest round-trip
Saint Thomas IslandSan José
STT Saint Thomas Island Cyril E King - SJO San José Juan Santamaria Intl
STTSJO
Saint Thomas Island Cyril E King
Tue 10/27
1:48 pm-8:21 pm
1 stop8h 33m
San José Juan Santamaria Intl
Tue 11/3
2:01 pm-12:16 pm
1 stop20h 15m
$711
Saint Thomas IslandSan José
STT Saint Thomas Island Cyril E King - SJO San José Juan Santamaria Intl
STTSJO
Saint Thomas Island Cyril E King
Wed 11/18
1:07 pm-12:42 pm
2 stops25h 35m
San José Juan Santamaria Intl
Wed 12/9
1:55 pm-12:05 pm
1 stop20h 10m
$741
Sorted by cheapest first
Best time to book a flight from Saint Thomas Island to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Saint Thomas Island with our price prediction graph.
STT-SJO
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 Saint Thomas Island to Costa Rica
STT-CR0
STT-SJO
No data available for this route at this time. Please check back soon.
Related info for your journey
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