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$215+ Cheap flights from Saint Thomas Island (STT) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJO
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
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 March 6, 2026.

This American Airlines deal was found by Cheapflights users on 3/6. 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 4/292:30 pm
STT
-
SJO
2 stops24h 38m
American Airlines
Sun 5/36:30 am
SJO
-
STT
1 stop27h 05m
American Airlines
Deal found 3/6$318
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Mon 3/22:53 pm
STT
-
SJO
1 stop7h 40m
American Airlines
Thu 3/1912:26 pm
SJO
-
STT
1 stop24h 20m
American Airlines
Deal found 3/1$498
This Mytrip deal was found by Cheapflights users on 3/6. 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 4/2910:49 am
STT
-
SJO
2 stops26h 44m
Multiple Airlines
Sun 5/37:00 am
SJO
-
STT
3 stops31h 15m
Multiple Airlines
Deal found 3/6$688
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/85:25 pm
STT
-
SJO
1 stop18h 00m
American Airlines
Mon 3/2312:46 pm
SJO
-
STT
1 stop24h 54m
American Airlines
Deal found 3/1$720
This FlightHub deal was found by Cheapflights users on 3/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:35 pm
STT
-
SJO
2 stops20h 07m
Spirit Airlines
Mon 3/3012:19 pm
SJO
-
STT
2 stops23h 07m
Spirit Airlines
Deal found 3/5$732
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/1512:02 pm
STT
-
SJO
1 stop23h 23m
American Airlines
Mon 3/307:00 am
SJO
-
STT
1 stop7h 29m
American Airlines
Deal found 3/3$750

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 6, 2026.

Round-trip from

$732
(FlightHub)

One-way from

$215
(United Airlines)
From Saint Thomas Island Cyril E King to Costa Rica
Search Deals
One-way flight 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 6, 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

Wed 4/29

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

$393

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 4/29

10:49 am-11:33 am

2 stops26h 44m

San José Juan Santamaria Intl

Sun 5/3

7:00 am-4:15 pm

3 stops31h 15m

$688

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sat 4/4

4:35 pm-10:42 am

2 stops20h 07m

San José Juan Santamaria Intl

Sat 4/11

12:19 pm-1:26 pm

2 stops23h 07m

$824

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Sat 4/4

4:35 pm-12:12 pm

2 stops21h 37m

San José Juan Santamaria Intl

Sat 4/11

11:38 am-1:26 pm

1 stop23h 48m

$939

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
Quickest round-trip

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Wed 5/20

2:30 pm-11:50 am

2 stops23h 20m

San José Juan Santamaria Intl

Thu 5/21

3:08 pm-11:03 am

2 stops17h 55m

$6,252
Cheapest one-way

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Mon 3/16

2:35 pm-9:32 pm

1 stop32h 57m

$215
Quickest one-way

Saint Thomas IslandSan José

STT - SJO

STTSJO

Saint Thomas Island Cyril E King

Mon 3/23

2:05 pm-11:56 am

1 stop23h 51m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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 Spirit Airlines can get you from Saint Thomas Island to Costa Rica in just under 20h 07m. Your travel time can differ by up to 6h 36m. 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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