Cheapest return flights from Sydney to Buenos Aires in December from $2314

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

Return flights

25 Dec - 31 Dec LATAM Airlines Group
30 Dec - 05 Jan LATAM Airlines Group
31 Dec - 21 Jan LATAM Airlines Group
26 Dec - 31 Dec LATAM Airlines Group
27 Dec - 24 Jan LATAM Airlines Group
24 Dec - 25 Jan Jetstar
24 Dec - 13 Jan Jetstar
25 Dec - 12 Jan Qantas
24 Dec - 01 Jan Jetstar
29 Dec - 20 Jan Qatar Airways
23 Dec - 06 Jan Qantas
26 Dec - 21 Jan LATAM Airlines Group
24 Dec - 28 Dec Qatar Airways
24 Dec - 26 Dec Qatar Airways

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

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