AirHint found the following cheapest return flights from Athens (ATH) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

30 Dec - 20 Jan	ITA Airways
23 Dec - 30 Dec	Delta
23 Dec - 18 Jan	SWISS
26 Dec - 09 Jan	Delta
24 Dec - 01 Jan	Iberia
17 Dec - 19 Dec	Iberia
23 Dec - 10 Jan	SWISS
28 Dec - 11 Jan	ITA Airways
20 Dec - 20 Jan	ITA Airways
20 Dec - 27 Dec	Delta
21 Dec - 28 Dec	KLM
19 Dec - 30 Dec	Delta
25 Dec - 05 Jan	KLM
23 Dec - 06 Jan	Ryanair
25 Dec - 08 Jan	ITA Airways

Also check the deals for one-way flights from Athens to Buenos Aires 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 Buenos Aires in December from $1270

Return flights