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

Return flights

01 Dec - 31 Jan	LATAM Airlines Group
03 Dec - 02 Jan	LATAM Airlines Group
03 Dec - 04 Jan	LATAM Airlines Group
31 Dec - 20 Jan	LATAM Airlines Group
24 Dec - 11 Jan	LATAM Airlines Group
23 Dec - 12 Jan	LATAM Airlines Group
15 Dec - 05 Jan	LATAM Airlines Group
05 Dec - 14 Dec	LATAM Airlines Group
20 Dec - 18 Jan	LATAM Airlines Group
15 Dec - 06 Jan	LATAM Airlines Group
18 Dec - 23 Jan	KLM
19 Dec - 29 Dec	Emirates

Also check the deals for one-way flights from Buenos Aires to Sydney 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 Buenos Aires to Sydney in December from 1665€

Return flights