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

Return flights

01 Dec - 10 Dec	Iberia
16 Dec - 28 Dec	Air China
06 Dec - 25 Dec	Air France
09 Dec - 28 Dec	Iberia
08 Dec - 16 Dec	Turkish Airlines
16 Dec - 29 Dec	Turkish Airlines
01 Dec - 22 Dec	Turkish Airlines
15 Dec - 06 Jan	Turkish Airlines
03 Dec - 18 Dec	Qatar Airways
10 Dec - 28 Dec	Lufthansa
05 Dec - 02 Jan	Lufthansa
19 Dec - 07 Jan	Turkish Airlines
17 Dec - 07 Jan	Turkish Airlines
24 Dec - 14 Jan	Lufthansa
19 Dec - 10 Jan	Turkish Airlines
25 Dec - 05 Jan	Turkish Airlines
31 Dec - 09 Jan	Turkish Airlines
22 Dec - 12 Jan	Turkish Airlines
25 Dec - 03 Jan	Turkish Airlines
14 Dec - 21 Dec	KLM

Also check the deals for one-way flights from Sao Paulo to Athens 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 Sao Paulo to Athens in December from 757€

Return flights