Cheapest return flights from Helsinki to Sofia in October from $229

Best time to book flights for Helsinki (HEL) to Sofia (SOF) flights at AirHint

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

Return flights

17 Oct - 20 Oct Norwegian Air Sweden AOC direct
24 Oct - 27 Oct KLM

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.

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