$115 Cheap Flights from St. Thomas (STT) to San José (SJO)

View $115 flight on Sun, Jan 11, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from St. Thomas to San José (STT-SJO)

Prices were available within the past 7 days and start at $115 for one-way flights and $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 9 - Thu, Dec 11
STT
St. Thomas
SJO
San José
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Dec 9 from St. Thomas to San José, returning Thu, Dec 11, priced at $270 found 5 days ago
American Airlines
Mon, Jan 12 - Mon, Jan 19
STT
St. Thomas
SJO
San José
$272 Roundtrip, just found
$272
Roundtrip
just found
Select American Airlines flight, departing Mon, Jan 12 from St. Thomas to San José, returning Mon, Jan 19, priced at $272 just found
American Airlines
Mon, Jan 12 - Thu, Jan 22
STT
St. Thomas
SJO
San José
$287 Roundtrip, just found
$287
Roundtrip
just found
Select American Airlines flight, departing Mon, Jan 12 from St. Thomas to San José, returning Thu, Jan 22, priced at $287 just found
JetBlue Airways
Mon, Jan 12 - Mon, Jan 19
STT
St. Thomas
SJO
San José
$305 Roundtrip, just found
$305
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Jan 12 from St. Thomas to San José, returning Mon, Jan 19, priced at $305 just found
JetBlue Airways
Wed, Jan 21 - Wed, Jan 28
STT
St. Thomas
SJO
San José
$314 Roundtrip, found 4 hours ago
$314
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Wed, Jan 21 from St. Thomas to San José, returning Wed, Jan 28, priced at $314 found 4 hours ago
American Airlines
Mon, Dec 8 - Thu, Dec 11
STT
St. Thomas
SJO
San José
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 8 from St. Thomas to San José, returning Thu, Dec 11, priced at $316 found 5 days ago
American Airlines
Wed, Jan 21 - Wed, Jan 28
STT
St. Thomas
SJO
San José
$324 Roundtrip, found 4 hours ago
$324
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jan 21 from St. Thomas to San José, returning Wed, Jan 28, priced at $324 found 4 hours ago
American Airlines
Mon, Jan 12 - Mon, Jan 19
STT
St. Thomas
SJO
San José
$329 Roundtrip, just found
$329
Roundtrip
just found
Select American Airlines flight, departing Mon, Jan 12 from St. Thomas to San José, returning Mon, Jan 19, priced at $329 just found
Delta
Wed, Jan 21 - Wed, Jan 28
STT
St. Thomas
SJO
San José
$357 Roundtrip, found 4 hours ago
$357
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Jan 21 from St. Thomas to San José, returning Wed, Jan 28, priced at $357 found 4 hours ago
United
Tue, Oct 28 - Sun, Nov 2
STT
St. Thomas
SJO
San José
$441 Roundtrip, found 9 hours ago
$441
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Oct 28 from St. Thomas to San José, returning Sun, Nov 2, priced at $441 found 9 hours ago

Alternative airports near San José

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $372
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $372
Flights from St. Thomas (STT) to San José (SJO)
Origin airport
Cyril E. King
Destination airport
Juan Santamaría Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$270
Distance
1409 mi

St. Thomas to San José Flights

The cheapest times to fly from St. Thomas to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Thomas to San José are during the month of December. You can find some of the cheapest flights from St. Thomas to San José with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to San José

Sunday is one of the best days to book for cheap flights from St. Thomas to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Thomas to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Thomas to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Thomas to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Thomas to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO) cost?
Grab a cheap one-way flight from $115 or cheap return flight from $270 from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)?
Traveling in December can help you save, as it's the cheapest month for flights between STT and SJO. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)?
To find the cheapest airline that'll fly you from STT to SJO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)?
There are no daily direct flights from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from STT to SJO?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)?
To avoid potential delays on the Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO) last-minute?
Waiting until just before your departure to book a ticket from STT to SJO often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a STT to SJO flight and hotel package?
Compared with arranging hotels and flights separately, booking a STT to SJO flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Juan Santamaria Intl. Airport (SJO)?
If you booked your STT to SJO flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.