Cheapest one-way flights from Sydney to Buenos Aires in December from $765

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

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

One-Way flights

31 Dec LATAM Airlines Group
29 Dec LATAM Airlines Group
24 Dec LATAM Airlines Group
01 Dec Cathay Pacific
08 Dec Cathay Pacific
07 Dec Qatar Airways
11 Dec LATAM Airlines Group
22 Dec LATAM Airlines Group
26 Dec Jetstar
18 Dec Emirates

Also check the deals for return 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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