Cheapest return flights from Buenos Aires to Sydney in December from $2201

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

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

Return flights

22 Dec - 12 Jan LATAM Airlines Group
19 Dec - 12 Jan LATAM Airlines Group
29 Dec - 22 Jan LATAM Airlines Group
28 Dec - 09 Jan LATAM Airlines Group
23 Dec - 10 Jan LATAM Airlines Group
01 Dec - 29 Dec Qatar Airways
28 Dec - 25 Jan Qatar Airways
28 Dec - 15 Jan Qatar Airways
15 Dec - 15 Jan Qatar Airways
29 Dec - 25 Jan Qatar Airways

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

Skyscanner

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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