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

Return flights

21 Sep - 28 Sep	Ethiopian Airlines
25 Sep - 11 Oct	Ethiopian Airlines
01 Sep - 11 Sep	Ethiopian Airlines
30 Sep - 07 Oct	Ethiopian Airlines
25 Sep - 17 Oct	Ethiopian Airlines
12 Sep - 14 Oct	Ethiopian Airlines
20 Sep - 12 Oct	EgyptAir
17 Sep - 28 Sep	Turkish Airlines
08 Sep - 23 Sep	Delta
03 Sep - 09 Oct	Delta
02 Sep - 18 Sep	Delta
12 Sep - 14 Sep	Ethiopian Airlines
10 Sep - 27 Sep	Delta
26 Sep - 16 Oct	Delta
12 Sep - 30 Sep	British Airways

Also check the deals for one-way flights from Newark 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 Newark to Johannesburg in September from 872€

Return flights