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$450+ 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
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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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 April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/285:05 pm
STT
-
SJO
1 stop28h 02m
American Airlines
Tue 5/512:10 pm
SJO
-
STT
1 stop21h 25m
American Airlines
Deal found 3/31$450
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:59 pm
STT
-
SJO
2 stops21h 57m
Delta
Tue 5/51:21 pm
SJO
-
STT
2 stops20h 51m
Delta
Deal found 3/31$518
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:45 pm
STT
-
SJO
2 stops28h 52m
United Airlines
Thu 6/411:13 am
SJO
-
STT
1 stop26h 30m
United Airlines
Deal found 3/28$544
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/274:48 pm
STT
-
SJO
1 stop28h 36m
American Airlines
Thu 6/46:00 am
SJO
-
STT
1 stop7h 58m
American Airlines
Deal found 3/31$600
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:45 pm
STT
-
SJO
2 stops31h 54m
United Airlines
Sun 6/712:44 pm
SJO
-
STT
2 stops21h 36m
United Airlines
Deal found 3/27$668
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/291:34 pm
STT
-
SJO
1 stop7h 50m
American Airlines
Sun 6/73:08 pm
SJO
-
STT
1 stop22h 50m
American Airlines
Deal found 3/27$770
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:00 pm
STT
-
SJO
2 stops26h 05m
Multiple Airlines
Sun 6/71:00 pm
SJO
-
STT
1 stop21h 47m
Multiple Airlines
Deal found 3/27$799

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 April 1, 2026.

Round-trip from

$450
(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 April 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

Cheapest round-trip

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Tue 4/28

3:59 pm-11:56 am

2 stops21h 57m

San José Juan Santamaria Intl

Tue 5/5

1:21 pm-12:12 pm

2 stops20h 51m

$518

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 5/27

4:45 pm-7:37 pm

2 stops28h 52m

San José Juan Santamaria Intl

Thu 6/4

11:13 am-3:43 pm

1 stop26h 30m

$544

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 5/27

4:48 pm-7:24 pm

1 stop28h 36m

San José Juan Santamaria Intl

Thu 6/4

6:00 am-3:58 pm

1 stop7h 58m

$600

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Tue 4/28

5:05 pm-7:07 pm

1 stop28h 02m

San José Juan Santamaria Intl

Tue 5/5

12:10 pm-10:47 am

2 stops20h 37m

$607

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Fri 5/29

4:45 pm-10:39 pm

2 stops31h 54m

San José Juan Santamaria Intl

Sun 6/7

12:44 pm-12:20 pm

2 stops21h 36m

$668
Quickest round-trip

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Fri 5/29

1:34 pm-7:24 pm

1 stop7h 50m

San José Juan Santamaria Intl

Sun 6/7

3:08 pm-3:58 pm

1 stop22h 50m

$770

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Fri 5/29

3:40 pm-8:30 am

3 stops18h 50m

San José Juan Santamaria Intl

Sun 6/7

4:35 pm-2:42 pm

3 stops20h 07m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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?

    Delta, United Airlines, and American Airlines can get you from Saint Thomas Island to Costa Rica in just under 21h 57m. Your travel time can differ by up to 6h 55m. 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

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