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

Return flights

13 Nov - 16 Nov	Ryanair
21 Nov - 23 Nov	Ryanair
14 Nov - 16 Nov	Ryanair
20 Nov - 23 Nov	Ryanair
03 Nov - 07 Nov	airBaltic
21 Nov - 24 Nov	airBaltic
07 Nov - 09 Nov	Ryanair
14 Nov - 17 Nov	airBaltic
05 Nov - 08 Nov	Lufthansa
01 Nov - 09 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 154€

Return flights