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$543+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
sep. 2 — sep. 91
mar. 9/2
mar. 9/9
1 adult, Economy
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Cheap 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 agosto 28, 2025.

Round-trip from

$543
(Kiwi.com)
From Saint Thomas Island Cyril E King to Costa Rica
Search Deals

Find flight deals from Saint Thomas Island to Costa Rica

Cheapest flights from Saint Thomas Island to Costa Rica
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 agosto 28, 2025.

This American Airlines deal was found by Cheapflights users on 8/28. 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.
vie. 9/261:40 pmSTT - SJO
1 stop8h 02mAmerican Airlines
dom. 9/286:00 amSJO - STT
1 stop8h 00mAmerican Airlines
Deal found 8/28$546

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 2,558,603 searches. Data last updated agosto 28, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Costa Rica that are best for you.

Fly from

Saint Thomas Island

Fly to

Costa Rica

Route

Depart

Return

Price

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

dom. 2/22

1:33 pm-12:14 pm

1 stop24h 41m

San José Juan Santamaria Intl

sáb. 2/28

12:22 pm-3:11 pm

1 stop24h 49m

$543

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

vie. 9/26

1:40 pm-7:42 pm

1 stop8h 02m

San José Juan Santamaria Intl

dom. 9/28

6:00 am-4:00 pm

1 stop8h 00m

$546

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

dom. 2/22

4:10 pm-12:31 pm

2 stops22h 21m

San José Juan Santamaria Intl

sáb. 2/28

1:55 pm-3:15 pm

2 stops23h 20m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

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.
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
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 agosto 28, 2025.
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.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

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.

  • What airport do you fly from for flights from Saint Thomas Island to Costa Rica?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly out of when you book flights from Saint Thomas Island to Costa Rica.

  • How long is the flight from Saint Thomas Island to Costa Rica?

    Spirit Airlines, American Airlines, and JetBlue can get you from Saint Thomas Island to Costa Rica in just under 8h 02m. Your travel time can differ by up to 16h 39m. There are 1409 mi between Saint Thomas Island and Costa Rica. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Saint Thomas Island to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Saint Thomas Island to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint Thomas Island to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Costa Rica.

  • Can I find deals for business class flights from Saint Thomas Island to Costa Rica?

    Yes. Cheapflights offers flight deals from Saint Thomas Island to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint Thomas Island to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to Costa Rica (average of $398). Flying from Saint Thomas Island to Costa Rica in March is currently the most expensive (average of $555). 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.

See more FAQs

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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 2,558,603 searches. Data last updated agosto 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$391Average$593FlexibilityNo cancel feeOn-time71%

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