$271+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Saint Thomas Island to Costa Rica 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 November 5, 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 November 5, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:53 pm -
1 stop29h 57m
Sun 11/156:20 am -
1 stop7h 43m
Deal found 11/1![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:07 pm -
2 stops25h 35m
Sun 11/1511:28 pm -
2 stops36h 28m
Deal found 11/1![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/181:07 pm -
2 stops25h 35m
Wed 12/98:45 am -
2 stops27h 11m
Deal found 11/2![United Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/183:15 pm -
1 stop25h 36m
Wed 12/92:00 pm -
1 stop20h 17m
Deal found 11/2![American Airlines logo]()
$947
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:10 am -
2 stops17h 20m
Sun 11/155:15 pm -
3 stops21h 46m
Deal found 11/1![Multiple Airlines logo]()
$1,188
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 November 5, 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 November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/181:07 pm -
2 stops25h 35m
Wed 12/98:45 am -
2 stops27h 11m
Deal found 11/2![United Airlines logo]()
$665
Last-minute flights from Saint Thomas Island to Costa RicaDiscover last-minute flight deals from Saint Thomas Island to Costa Rica. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Saint Thomas Island to Costa Rica. Data last updated November 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:53 pm -
1 stop29h 57m
Sun 11/156:20 am -
1 stop7h 43m
Deal found 11/1![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:07 pm -
2 stops25h 35m
Sun 11/1511:28 pm -
2 stops36h 28m
Deal found 11/1![United Airlines logo]()
$645
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:10 am -
2 stops17h 20m
Sun 11/155:15 pm -
3 stops21h 46m
Deal found 11/1![Multiple Airlines logo]()
$1,188
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/181:07 pm -
2 stops25h 35m
Wed 12/98:45 am -
2 stops27h 11m
Deal found 11/2![United Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/183:15 pm -
1 stop25h 36m
Wed 12/92:00 pm -
1 stop20h 17m
Deal found 11/2![American Airlines logo]()
$947
One-way flights from Saint Thomas Island to Costa RicaSearch for one-way flight options from Saint Thomas Island to Costa Rica. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Saint Thomas Island to Costa Rica. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/114:53 pm -
1 stop23h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:07 pm -
2 stops25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$283
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:13 pm -
3 stops29h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$605
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:28 pm -
3 stops32h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$611
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 November 5, 2026.
Round-trip from | $665 (United Airlines) |
|---|---|
One-way from | $271 (American 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 November 5, 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
Wed 11/11
4:53 pm-2:49 pm
1 stop23h 56m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$271
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
Thu 11/12
1:07 pm-8:50 pm
1 stop9h 43m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$271
Saint Thomas IslandSan José
STT Saint Thomas Island Cyril E King - SJO San José Juan Santamaria Intl
STTSJO
Saint Thomas Island Cyril E King
Thu 11/12
1:07 pm-12:42 pm
2 stops25h 35m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$283
Saint Thomas IslandSan José
STT Saint Thomas Island Cyril E King - SJO San José Juan Santamaria Intl
STTSJO
Saint Thomas Island Cyril E King
Thu 11/12
1:13 pm-4:20 pm
3 stops29h 07m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$605
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 11/11
5:28 pm-11:40 pm
3 stops32h 12m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$611
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
8:45 am-1:56 pm
2 stops27h 11m
$665
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.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated November 5, 2026.
See what other customers who have flown with American Airlines from Saint Thomas Island to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Overall
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentRon,Aug 2026
LHR - LAX
Comfort
7.2
Overall
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentRon,Aug 2026
LHR - LAX
Related info for your journey
Find useful and relevant information for your journey from Saint Thomas Island to Costa Rica. 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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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Saint Thomas Island and Costa Rica flights
Browse other Saint Thomas Island and Costa Rica flight options. Last updated on November 5, 2026.
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Top airline flying from Saint Thomas Island to Costa Rica
Discover the top airline that operate flights from Saint Thomas Island to Costa Rica. 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$1,169 | FlexibilityNo cancel fee | On-time71% |