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

Return flights

07 Aug - 30 Aug	Etihad Airways
05 Aug - 26 Aug	Etihad Airways
05 Aug - 10 Sep	Etihad Airways
03 Aug - 23 Aug	KLM
01 Aug - 20 Aug	KLM
03 Aug - 14 Aug	KLM
01 Aug - 13 Aug	KLM
02 Aug - 11 Aug	KLM
02 Aug - 16 Aug	KLM
05 Aug - 12 Sep	Etihad Airways
01 Aug - 05 Sep	KLM
05 Aug - 15 Aug	Air France
05 Aug - 14 Aug	Air France
04 Aug - 02 Sep	Air France
05 Aug - 09 Sep	Air France
06 Aug - 17 Sep	KLM
06 Aug - 11 Sep	KLM
07 Aug - 04 Sep	RwandAir
01 Aug - 11 Sep	KLM
22 Aug - 16 Sep	Etihad Airways

Also check the deals for one-way flights from Johannesburg to London 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 Johannesburg to London in August from 491€

Return flights