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

Return flights

01 Dec - 08 Dec	British Airways
08 Dec - 14 Dec	Turkish Airlines
05 Dec - 10 Dec	ITA Airways
13 Dec - 24 Jan	Turkish Airlines
15 Dec - 16 Dec	Turkish Airlines
19 Dec - 18 Jan	Turkish Airlines
24 Dec - 31 Dec	ITA Airways
26 Dec - 31 Dec	ITA Airways
06 Dec - 20 Dec	Lufthansa
17 Dec - 13 Jan	ITA Airways
10 Dec - 20 Jan	ITA Airways
19 Dec - 07 Jan	Turkish Airlines
22 Dec - 04 Jan	Turkish Airlines
18 Dec - 28 Dec	ITA Airways
20 Dec - 23 Jan	ITA Airways
24 Dec - 08 Jan	Turkish Airlines
24 Dec - 04 Jan	Turkish Airlines
15 Dec - 03 Jan	Turkish Airlines
20 Dec - 27 Dec	Turkish Airlines

Also check the deals for one-way flights from Athens 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 Athens to Sao Paulo in December from $766

Return flights