Cheapest return flights from Helsinki to Sofia in October from $169

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

Return flights

04 Oct - 06 Oct Ryanair
01 Oct - 08 Oct Ryanair
03 Oct - 11 Oct airBaltic
02 Oct - 06 Oct Ryanair
20 Oct - 28 Oct Lufthansa
13 Oct - 20 Oct Ryanair
14 Oct - 18 Oct airBaltic
13 Oct - 19 Oct Ryanair
10 Oct - 15 Oct Norwegian Air Sweden AOC
11 Oct - 19 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.

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