The cheapest buses (about 800 rubles) from St. Petersburg are sent from the Oktyabrskaya Hotel at 22:00 (there is no reservation and reservation, the ticket can be purchased upon boarding). From 28 to 50 EUR there are buses of companies "Sovavto" or "Finnord". The difference in comfort is significant, and the customs do not delay these buses for a long time.

In addition, you can get to Helsinki by bus (the journey time is 8 h 20 min) departing from Bus Station 2. The bus makes intermediate stops in the Finnish cities of Vaalimaa, Hamina, Karhula, Loviisa, Porvo