AirHint found the following cheapest return flights from London (LHR) to Johannesburg (JNB) in August 2025 (see full year).

Return flights

28 Aug - 25 Sep	Etihad Airways
28 Aug - 24 Sep	Etihad Airways
28 Aug - 30 Sep	Etihad Airways
26 Aug - 23 Sep	Etihad Airways
28 Aug - 23 Sep	Etihad Airways
27 Aug - 21 Sep	Etihad Airways
25 Aug - 26 Sep	Etihad Airways
25 Aug - 21 Sep	Etihad Airways
21 Aug - 22 Sep	Etihad Airways
26 Aug - 10 Sep	Etihad Airways
08 Aug - 28 Aug	Ethiopian Airlines
06 Aug - 11 Aug	Emirates
17 Aug - 22 Aug	EgyptAir
20 Aug - 22 Aug	Emirates
14 Aug - 28 Aug	Scandinavian Airlines
13 Aug - 22 Aug	EgyptAir
25 Aug - 31 Aug	Etihad Airways
11 Aug - 18 Aug	KLM
09 Aug - 18 Aug	KLM
09 Aug - 19 Aug	KLM

Also check the deals for one-way flights from London to Johannesburg in August.

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 London to Johannesburg in August from 552€

Return flights