Cheapest return flights from Sydney to Buenos Aires in December from $1923

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

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

Return flights

02 Dec - 09 Dec United
25 Dec - 15 Jan United
09 Dec - 27 Jan United
10 Dec - 30 Jan United
05 Dec - 26 Jan United
02 Dec - 20 Jan United
26 Dec - 30 Jan United
01 Dec - 01 Jan United
03 Dec - 19 Jan LATAM Airlines Group
03 Dec - 14 Jan LATAM Airlines Group
08 Dec - 14 Jan LATAM Airlines Group

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