$114 Cheap Flights from San José (SJO) to St. Thomas (STT)

View $114 flight on Sat, Oct 4, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $114 for one-way flights and $236 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 29 - Sun, Nov 16
SJO
San José
STT
St. Thomas
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 29 from San José to St. Thomas, returning Sun, Nov 16, priced at $236 found 5 days ago
American Airlines
Wed, Nov 26 - Mon, Dec 15
SJO
San José
STT
St. Thomas
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 26 from San José to St. Thomas, returning Mon, Dec 15, priced at $254 found 5 days ago
United
Fri, Oct 31 - Sun, Nov 16
SJO
San José
STT
St. Thomas
$282 Roundtrip, found 5 days ago
$282
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from San José to St. Thomas, returning Sun, Nov 16, priced at $282 found 5 days ago
American Airlines
Tue, Nov 25 - Mon, Dec 8
SJO
San José
STT
St. Thomas
$300 Roundtrip, found 5 days ago
$300
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 25 from San José to St. Thomas, returning Mon, Dec 8, priced at $300 found 5 days ago
American Airlines
Sun, Nov 16 - Wed, Dec 3
SJO
San José
STT
St. Thomas
$305 Roundtrip, found 5 days ago
$305
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 16 from San José to St. Thomas, returning Wed, Dec 3, priced at $305 found 5 days ago
United
Tue, Oct 28 - Sun, Nov 9
SJO
San José
STT
St. Thomas
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 28 from San José to St. Thomas, returning Sun, Nov 9, priced at $319 found 5 days ago
American Airlines
Tue, Oct 7 - Wed, Oct 22
SJO
San José
STT
St. Thomas
$345 Roundtrip, found 5 days ago
$345
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 7 from San José to St. Thomas, returning Wed, Oct 22, priced at $345 found 5 days ago
American Airlines
Fri, Nov 14 - Wed, Dec 3
SJO
San José
STT
St. Thomas
$353 Roundtrip, found 5 days ago
$353
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Nov 14 from San José to St. Thomas, returning Wed, Dec 3, priced at $353 found 5 days ago
JetBlue Airways
Wed, Nov 19 - Mon, Dec 8
SJO
San José
STT
St. Thomas
$415 Roundtrip, found 5 days ago
$415
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Nov 19 from San José to St. Thomas, returning Mon, Dec 8, priced at $415 found 5 days ago
Delta
Wed, Jan 7 - Sun, Jan 11
SJO
San José
STT
St. Thomas
$1,485 Roundtrip, found 3 days ago
$1,485
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 7 from San José to St. Thomas, returning Sun, Jan 11, priced at $1,485 found 3 days ago

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT) cost?
Get a cheap one-way flight from $114 or cheap return flight from $236 from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT) 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 Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT)?
Planning your getaway for October is a great way to save, as it's the cheapest month for flights between SJO and STT. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from SJO to STT. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT)?
There are no daily direct flights from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SJO to STT?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT)?
To avoid potential delays on the Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT) route, aim to 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 Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT) last-minute?
Booking your plane ticket from SJO to STT just before your trip is usually more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SJO to STT flight and hotel package?
Securing a SJO to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Cyril E. King Airport (STT)?
In most instances, you can cancel or modify your SJO to STT flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, JetBlue Airways, United
Roundtrip price
$236
Distance
1409 mi

Book with confidence

Book with confidence

San José to St. Thomas Flights

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

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 San José to St. Thomas are during the month of October. You can find some of the cheapest flights from San José to St. Thomas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San José to St. Thomas: 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 San José to St. Thomas

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 San José to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 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 San José to St. Thomas 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 San José to St. Thomas 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.

 

San José to St. Thomas Flights

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*Available to One Key members.