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

Return flights

21 Nov - 08 Dec	airBaltic
14 Nov - 17 Nov	airBaltic
14 Nov - 16 Nov	airBaltic
01 Nov - 08 Nov	Ryanair
13 Nov - 16 Nov	Ryanair
02 Nov - 09 Nov	Ryanair
23 Nov - 25 Nov	airBaltic
05 Nov - 08 Nov	Lufthansa

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

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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Cheapest return flights from Helsinki to Sofia in November from $143

Return flights