$952 Cheap Flights from Helsinki (HEL) to St. Thomas (STT)

View $952 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Cyril E. King Airport (STT)

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Cheap Flights from Helsinki to St. Thomas (HEL-STT)

Prices were available within the past 7 days and start at $952 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Helsinki (HEL) to St. Thomas (STT)
Origin airport
Vantaa
Destination airport
Cyril E. King
Distance
5120 mi

Helsinki to St. Thomas Flights

The cheapest times to fly from Helsinki 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 Helsinki to St. Thomas are during the month of . You can find some of the cheapest flights from Helsinki to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to St. Thomas

Sunday is one of the best days to book for cheap flights from Helsinki 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 Helsinki 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 Helsinki to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $952 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 Helsinki 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 Helsinki 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.

 

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from HEL to STT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HEL to STT?
The cheapest flights from HEL to STT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HEL to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from HEL to STT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Vantaa Airport (HEL) to Cyril E. King Airport (STT)?
Nonstop flights from Vantaa Airport (HEL) to Cyril E. King Airport (STT) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from HEL to STT?
You’ll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vantaa Airport (HEL) to Cyril E. King Airport (STT)?
To avoid potential delays on the Vantaa Airport (HEL) to Cyril E. King Airport (STT) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Vantaa Airport (HEL) to Cyril E. King Airport (STT) last-minute?
Holding off until just before your departure to book your flight from HEL to STT generally means paying more. While you may find some last-minute discounts, there’s no guarantee. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a HEL to STT flight and hotel package?
You can save money by booking a HEL to STT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Cyril E. King Airport (STT)?
In most instances, you can reschedule or cancel your HEL to STT flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s fees and policies on flight changes, or if you want further information, visit our Customer Service portal.

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*Available to One Key members.