Cheapest return flights from Buenos Aires to Sydney in December from $2168

Best time to book flights for Buenos Aires (EZE) to Sydney (SYD) flights at AirHint

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

Return flights

29 Dec - 22 Jan LATAM Airlines Group
30 Dec - 22 Jan LATAM Airlines Group
22 Dec - 22 Jan LATAM Airlines Group
17 Dec - 09 Jan LATAM Airlines Group
09 Dec - 29 Dec LATAM Airlines Group
24 Dec - 31 Dec LATAM Airlines Group
22 Dec - 12 Jan LATAM Airlines Group
29 Dec - 25 Jan United
25 Dec - 14 Jan LATAM Airlines Group
19 Dec - 12 Jan LATAM Airlines Group
10 Dec - 05 Jan LATAM Airlines Group
26 Dec - 16 Jan LATAM Airlines Group
18 Dec - 29 Dec LATAM Airlines Group
01 Dec - 29 Dec United

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

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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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