HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$280+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 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 March 1, 2026.

This American Airlines deal was found by Cheapflights users on 2/25. 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 4/2812:25 pm
STT
-
SJO
1 stop8h 42m
American Airlines
Sun 5/36:30 am
SJO
-
STT
1 stop28h 45m
American Airlines
Deal found 2/25$280
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Sat 2/286:25 pm
STT
-
SJO
1 stop17h 59m
American Airlines
Tue 3/177:00 am
SJO
-
STT
1 stop7h 29m
American Airlines
Deal found 2/27$434
This American Airlines deal was found by Cheapflights users on 2/26. 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 3/22:53 pm
STT
-
SJO
1 stop7h 40m
American Airlines
Thu 3/1912:26 pm
SJO
-
STT
1 stop26h 03m
American Airlines
Deal found 2/26$474
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/1012:02 pm
STT
-
SJO
1 stop9h 31m
American Airlines
Sun 3/157:00 am
SJO
-
STT
1 stop7h 29m
American Airlines
Deal found 2/25$494
This Delta deal was found by Cheapflights users on 2/26. 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 2/283:10 pm
STT
-
SJO
1 stop8h 52m
Delta
Tue 3/171:20 pm
SJO
-
STT
2 stops21h 40m
Delta
Deal found 2/26$518

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 March 1, 2026.

Round-trip from

$280
(American Airlines)
From Saint Thomas Island Cyril E King to Costa Rica
Search Deals

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 March 1, 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

Price

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Tue 4/28

1:15 pm-1:08 pm

2 stops25h 53m

San José Juan Santamaria Intl

Sun 5/3

6:30 am-10:47 am

2 stops26h 17m

$371

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sun 3/15

1:53 pm-7:33 pm

1 stop7h 40m

San José Juan Santamaria Intl

Mon 3/30

1:16 pm-12:05 pm

1 stop20h 49m

$672

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sun 3/15

4:01 pm-10:51 am

2 stops20h 50m

San José Juan Santamaria Intl

Mon 3/30

10:10 am-12:00 pm

2 stops23h 50m

$890

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sun 3/15

1:55 pm-9:15 pm

1 stop9h 20m

San José Juan Santamaria Intl

Mon 3/30

1:20 pm-1:00 pm

2 stops21h 40m

$1,095

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 5/20

2:10 pm-10:11 am

2 stops22h 01m

San José Juan Santamaria Intl

Thu 5/21

1:25 pm-3:43 pm

1 stop24h 18m

$1,154

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Tue 4/28

1:21 pm-10:14 pm

2 stops34h 53m

San José Juan Santamaria Intl

Sun 5/3

4:35 pm-1:48 pm

3 stops19h 13m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

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.
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.

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?

    American Airlines and JetBlue can get you from Saint Thomas Island to Costa Rica in just under 20h 50m. Your travel time can differ by up to 5h 03m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Costa Rica car rentals
Liberia Airport car rentals
Liberia car rentals

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.