Travelling from most locations, it is best to book your flight to Helsinki during the month of May for the best deal, although there are other times of the year which offer great deals as well.
From most locations, booking your flights to Helsinki around 60 days prior to your departure date finds the best deals.
In general, booking your departure to Helsinki for a Wednesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
In general, when looking for the cheapest flight to Helsinki, our data indicates that morning flights are the most cost-effective. midday flights tend to be the most expensive.