Cheapest return SYD–AEP flights, September

AirHint found the following cheapest return flights from Sydney (SYD) to Buenos Aires (AEP) in September 2026 (see full year).

Return flights

01 Sep - 17 Sep LATAM Airlines Group
03 Sep - 15 Sep LATAM Airlines Group
09 Sep - 16 Sep LATAM Airlines Group
19 Sep - 26 Sep LATAM Airlines Group
20 Sep - 28 Sep LATAM Airlines Group
12 Sep - 01 Oct LATAM Airlines Group
02 Sep - 23 Sep LATAM Airlines Group
01 Sep - 01 Oct LATAM Airlines Group
10 Sep - 23 Sep LATAM Airlines Group
17 Sep - 08 Oct LATAM Airlines Group
30 Sep - 15 Oct LATAM Airlines Group
19 Sep - 15 Oct LATAM Airlines Group
25 Sep - 16 Oct LATAM Airlines Group
05 Sep - 15 Oct LATAM Airlines Group
19 Sep - 22 Sep Qatar Airways

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

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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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