AirHint found the following cheapest return flights from Brasilia (BSB) to Sydney (SYD) in September 2025 (see full year).

Return flights

04 Sep - 25 Sep	Copa
08 Sep - 30 Sep	GOL Linhas Aéreas
11 Sep - 19 Sep	Azul Airlines
07 Sep - 22 Sep	LATAM Airlines Group
20 Sep - 09 Oct	LATAM Airlines Group
19 Sep - 04 Oct	Copa
07 Sep - 14 Sep	Qatar Airways

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

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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Cheapest return flights from Brasilia to Sydney in September from $1981

Return flights