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

Return flights

16 Sep - 18 Oct	Singapore Airlines
10 Sep - 17 Sep	Cathay Pacific
11 Sep - 18 Sep	Cathay Pacific
23 Sep - 22 Oct	Cathay Pacific
17 Sep - 23 Sep	Cathay Pacific
16 Sep - 23 Sep	Cathay Pacific
18 Sep - 23 Sep	Cathay Pacific
16 Sep - 24 Sep	Cathay Pacific
18 Sep - 28 Sep	Cathay Pacific
11 Sep - 25 Sep	Cathay Pacific
12 Sep - 16 Sep	Cathay Pacific
18 Sep - 14 Oct	Cathay Pacific
13 Sep - 16 Sep	Cathay Pacific
24 Sep - 15 Oct	AirAsia X
20 Sep - 18 Oct	Scoot
25 Sep - 24 Oct	Qantas	direct
17 Sep - 02 Oct	Cathay Pacific
29 Sep - 25 Oct	Emirates
18 Sep - 06 Oct	Cathay Pacific
26 Sep - 24 Oct	Qantas	direct

Also check the deals for one-way flights from Sydney to Johannesburg 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 Sydney to Johannesburg in September from $1067

Return flights