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

Return flights

20 Sep - 18 Oct	Scoot
24 Sep - 15 Oct	VietJet Air
16 Sep - 30 Sep	VietJet Air
17 Sep - 14 Oct	Cathay Pacific
18 Sep - 18 Oct	Singapore Airlines
17 Sep - 17 Oct	Cathay Pacific
20 Sep - 27 Sep	Scoot
20 Sep - 11 Oct	AirAsia X
14 Sep - 19 Sep	Cathay Pacific
27 Sep - 10 Oct	Qantas	direct
17 Sep - 20 Sep	Emirates
26 Sep - 10 Oct	Qantas	direct
25 Sep - 05 Oct	Qantas	direct
27 Sep - 05 Oct	Qantas	direct
25 Sep - 28 Sep	Qantas	direct
21 Sep - 24 Sep	Emirates
21 Sep - 27 Sep	South African Airways
21 Sep - 28 Sep	Qantas	direct
22 Sep - 28 Sep	Qantas
14 Sep - 19 Sep	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 1126€

Return flights