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

Return flights

20 Dec - 11 Jan	Singapore Airlines
21 Dec - 18 Jan	Singapore Airlines
12 Dec - 15 Jan	Singapore Airlines
16 Dec - 30 Dec	Singapore Airlines
11 Dec - 14 Jan	Cathay Pacific
05 Dec - 07 Jan	Singapore Airlines
05 Dec - 28 Dec	Emirates
21 Dec - 04 Jan	Emirates

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

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 December from $1163

Return flights