In general, when booking your flight to Helsinki, March is the cheapest month on average.
From most locations, to find the best deals on airfare, our data shows that users booking 52 days before flying found the cheapest flight to Helsinki.
On average, the cheapest flights to Helsinki are found when departing on a Tuesday. Try to avoid departing on a Monday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Helsinki when looking for flights with midday departure times.