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$380+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Costa Rica

Best flights from Saint Thomas Island to Costa Rica
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 January 2, 2026.

This American Airlines deal was found by Cheapflights users on 1/1. 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.
Sun 3/155:25 pmSTT - SJO
1 stop18h 00mAmerican Airlines
Mon 3/307:00 amSJO - STT
1 stop7h 29mAmerican Airlines
Deal found 1/1$380
This Expedia deal was found by Cheapflights users on 12/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/63:30 pmSTT - SJO
2 stops22h 21mJetBlue
Fri 3/1311:45 pmSJO - STT
2 stops14h 30mJetBlue
Deal found 12/31$783
This American Airlines deal was found by Cheapflights users on 12/31. 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 2/181:41 pmSTT - SJO
2 stops22h 43mAmerican Airlines
Sun 2/228:00 amSJO - STT
1 stop7h 29mAmerican Airlines
Deal found 12/31$405
This American Airlines deal was found by Cheapflights users on 12/31. 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.
Fri 3/61:02 pmSTT - SJO
1 stop9h 31mAmerican Airlines
Fri 3/137:00 amSJO - STT
1 stop7h 29mAmerican Airlines
Deal found 12/31$564
This American Airlines deal was found by Cheapflights users on 1/1. 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.
Sat 2/284:37 pmSTT - SJO
1 stop19h 47mAmerican Airlines
Tue 3/1710:25 amSJO - STT
2 stops22h 41mAmerican Airlines
Deal found 1/1$667

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 January 2, 2026.

Round-trip from

$374
(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 January 2, 2026.
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

Sun 3/15

5:25 pm-9:25 am

1 stop18h 00m

San José Juan Santamaria Intl

Mon 3/30

7:00 am-4:29 pm

1 stop7h 29m

$380

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 2/18

1:41 pm-10:24 am

2 stops22h 43m

San José Juan Santamaria Intl

Sun 2/22

8:00 am-5:29 pm

1 stop7h 29m

$405

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Fri 3/6

1:02 pm-8:33 pm

1 stop9h 31m

San José Juan Santamaria Intl

Fri 3/13

7:00 am-4:29 pm

1 stop7h 29m

$564

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sat 2/28

4:37 pm-10:24 am

1 stop19h 47m

San José Juan Santamaria Intl

Tue 3/17

10:25 am-11:06 am

2 stops22h 41m

$667

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Fri 3/6

3:30 pm-11:51 am

2 stops22h 21m

San José Juan Santamaria Intl

Fri 3/13

11:45 pm-4:15 pm

2 stops14h 30m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

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 can get you from Saint Thomas Island to Costa Rica in just under 18h. Your travel time can differ by up to . There are 1409 mi between Saint Thomas Island and Costa Rica.

  • 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

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