AirHint found the following cheapest return flights from Johannesburg (JNB) to Sydney (SYD) in August 2025 (see full year).

Return flights

23 Aug - 26 Aug	Singapore Airlines
19 Aug - 30 Aug	Cathay Pacific
21 Aug - 29 Aug	Cathay Pacific
31 Aug - 14 Sep	Cathay Pacific
23 Aug - 30 Aug	Cathay Pacific
19 Aug - 30 Aug	Qantas	direct
21 Aug - 29 Aug	Qantas	direct
23 Aug - 30 Aug	Qantas	direct
08 Aug - 15 Aug	Qantas	direct
23 Aug - 26 Aug	Qantas	direct
16 Aug - 29 Aug	Qantas	direct
15 Aug - 19 Sep	Cathay Pacific
31 Aug - 14 Sep	Qantas	direct
15 Aug - 30 Sep	Emirates
15 Aug - 19 Sep	Qantas	direct

Also check the deals for one-way flights from Johannesburg to Sydney in August.

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 Johannesburg to Sydney in August from $931

Return flights