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

Return flights

09 Sep - 08 Oct	Etihad Airways
23 Sep - 12 Oct	Lufthansa
01 Sep - 30 Sep	Ryanair
03 Sep - 14 Sep	Etihad Airways
11 Sep - 14 Sep	Etihad Airways
10 Sep - 07 Oct	Lufthansa
17 Sep - 30 Oct	Lufthansa
01 Sep - 15 Sep	Etihad Airways
06 Sep - 20 Sep	Etihad Airways
03 Sep - 24 Sep	Etihad Airways
14 Sep - 13 Oct	Etihad Airways
16 Sep - 30 Sep	Kenya Airways
29 Sep - 20 Oct	Etihad Airways
07 Sep - 05 Oct	Lufthansa
07 Sep - 06 Oct	Lufthansa
12 Sep - 19 Sep	Etihad Airways
06 Sep - 05 Oct	SWISS
07 Sep - 04 Oct	Etihad Airways
12 Sep - 16 Sep	KLM
20 Sep - 27 Sep	Kenya Airways

Also check the deals for one-way flights from Dublin 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 Dublin to Johannesburg in September from 543€

Return flights