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

Return flights

07 Sep - 10 Sep	Etihad Airways
19 Sep - 27 Sep	Emirates
07 Sep - 10 Sep	Singapore Airlines	direct
06 Sep - 27 Sep	Cathay Pacific
18 Sep - 27 Sep	Cathay Pacific
19 Sep - 27 Sep	Singapore Airlines	direct

Also check the deals for one-way flights from Johannesburg to Singapore 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 Johannesburg to Singapore in September from $622

Return flights