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

Return flights

02 Sep - 23 Sep	Etihad Airways
02 Sep - 22 Sep	Etihad Airways
02 Sep - 30 Sep	Etihad Airways
03 Sep - 02 Oct	Etihad Airways
29 Sep - 06 Oct	EgyptAir
02 Sep - 02 Oct	Etihad Airways
01 Sep - 06 Oct	Etihad Airways
07 Sep - 08 Oct	Etihad Airways
02 Sep - 16 Sep	Etihad Airways
02 Sep - 17 Sep	Etihad Airways
01 Sep - 17 Sep	Etihad Airways
21 Sep - 07 Oct	Etihad Airways
01 Sep - 23 Sep	Etihad Airways
03 Sep - 16 Sep	Etihad Airways
04 Sep - 17 Sep	Etihad Airways
04 Sep - 18 Sep	Etihad Airways
09 Sep - 06 Oct	SWISS
04 Sep - 05 Oct	Etihad Airways
21 Sep - 19 Oct	Etihad Airways
21 Sep - 06 Oct	Etihad Airways

Also check the deals for one-way flights from London 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 London to Johannesburg in September from 552€

Return flights