Cheapest return flights from Buenos Aires to Sydney in December from $2155

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

Return flights

01 Dec - 05 Jan LATAM Airlines Group
01 Dec - 07 Dec LATAM Airlines Group
02 Dec - 15 Dec JetSmart
08 Dec - 05 Jan LATAM Airlines Group
18 Dec - 01 Jan LATAM Airlines Group
21 Dec - 11 Jan LATAM Airlines Group
20 Dec - 10 Jan LATAM Airlines Group
07 Dec - 21 Dec Qatar Airways
17 Dec - 17 Jan Qatar Airways
12 Dec - 28 Jan Qatar Airways
19 Dec - 18 Jan Qatar Airways
28 Dec - 11 Jan LATAM Airlines Group

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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