AirHint found the following cheapest return flights from Helsinki (HEL) to Sao Paulo (GRU) in December 2025 (see full year).

Return flights

01 Dec - 31 Dec	Lufthansa
24 Dec - 23 Jan	Air France
09 Dec - 01 Jan	Finnair
18 Dec - 03 Jan	Finnair
14 Dec - 29 Dec	Finnair
06 Dec - 06 Jan	Finnair
15 Dec - 09 Jan	Finnair
01 Dec - 07 Jan	Lufthansa
16 Dec - 09 Jan	Finnair
17 Dec - 09 Jan	Finnair
22 Dec - 27 Dec	Finnair
19 Dec - 06 Jan	Finnair

Also check the deals for one-way flights from Helsinki to Sao Paulo in December.

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 Sao Paulo in December from $1194

Return flights