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
01 Dec - 09 Dec	Air France
01 Dec - 10 Dec	Air France
01 Dec - 12 Dec	Air France
02 Dec - 11 Dec	Air France
09 Dec - 16 Dec	Air France
04 Dec - 14 Dec	KLM
07 Dec - 11 Dec	Air France
02 Dec - 09 Dec	ITA Airways
10 Dec - 17 Dec	KLM
30 Dec - 12 Jan	KLM
31 Dec - 10 Jan	KLM
30 Dec - 08 Jan	KLM
30 Dec - 10 Jan	KLM
30 Dec - 07 Jan	KLM
25 Dec - 11 Jan	TAP
25 Dec - 01 Jan	KLM
29 Dec - 08 Jan	KLM
24 Dec - 10 Jan	ITA Airways
23 Dec - 01 Jan	KLM

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 $628

Return flights