Cheapest return AEP–SYD flights, September

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

Return flights

15 Sep - 22 Oct LATAM Airlines Group
08 Sep - 08 Oct LATAM Airlines Group
04 Sep - 15 Oct LATAM Airlines Group
15 Sep - 01 Oct LATAM Airlines Group
21 Sep - 04 Oct LATAM Airlines Group
15 Sep - 29 Sep LATAM Airlines Group
11 Sep - 25 Oct LATAM Airlines Group
01 Sep - 29 Sep LATAM Airlines Group
22 Sep - 02 Oct LATAM Airlines Group
13 Sep - 27 Sep Sky Airline
17 Sep - 13 Oct Flybondi
17 Sep - 15 Oct Flybondi
17 Sep - 12 Oct Flybondi
01 Sep - 27 Sep Aerolíneas Argentinas
01 Sep - 28 Sep LATAM Airlines Group
01 Sep - 26 Sep Aerolíneas Argentinas

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