Cheapest return flights from Helsinki to Sofia in October from $215

AirHint found the following cheapest return flights from Helsinki (HEL) to Sofia (SOF) in October 2025 (see full year).

Return flights

30 Oct - 02 Nov Ryanair
10 Oct - 13 Oct Ryanair

Also check the deals for one-way flights from Helsinki to Sofia in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.