Cheapest return flights from Sydney to Buenos Aires in September from $1565

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 September 2025 (see full year).

Return flights

25 Sep - 17 Oct LATAM Airlines Group
15 Sep - 15 Oct LATAM Airlines Group
12 Sep - 08 Oct LATAM Airlines Group
09 Sep - 07 Oct LATAM Airlines Group
16 Sep - 07 Oct LATAM Airlines Group
09 Sep - 06 Oct LATAM Airlines Group
09 Sep - 05 Oct LATAM Airlines Group
05 Sep - 08 Oct Qantas
01 Sep - 13 Sep LATAM Airlines Group
12 Sep - 03 Oct LATAM Airlines Group
09 Sep - 03 Oct LATAM Airlines Group
01 Sep - 30 Sep LATAM Airlines Group
17 Sep - 23 Sep Qatar Airways

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

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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