AirHint found the following cheapest return flights from Athens (ATH) to Rio De Janeiro (GIG) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec	Air France
03 Dec - 08 Dec	KLM
02 Dec - 12 Dec	Air France
01 Dec - 09 Dec	Air France
03 Dec - 11 Dec	KLM
01 Dec - 10 Dec	Air France
01 Dec - 14 Dec	Air France
01 Dec - 12 Dec	Air France
03 Dec - 10 Dec	ITA Airways
04 Dec - 11 Dec	ITA Airways
31 Dec - 20 Jan	KLM
30 Dec - 20 Jan	Air France
29 Dec - 11 Jan	Air France
30 Dec - 13 Jan	ITA Airways
29 Dec - 15 Jan	Air France
25 Dec - 15 Jan	ITA Airways
01 Dec - 10 Jan	Air France
28 Dec - 11 Jan	KLM
30 Dec - 09 Jan	Air France
30 Dec - 07 Jan	Air France

Also check the deals for one-way flights from Athens to Rio De Janeiro 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 Rio De Janeiro in December from 665€

Return flights