AirHint found the following cheapest return flights from London (LHR) to Johannesburg (JNB) in September 2026 (see full year).

Return flights

16 Sep - 23 Sep	EgyptAir
17 Sep - 30 Sep	EgyptAir
19 Sep - 28 Sep	EgyptAir
07 Sep - 21 Sep	EgyptAir
03 Sep - 21 Sep	EgyptAir
01 Sep - 23 Sep	EgyptAir
19 Sep - 04 Oct	EgyptAir
10 Sep - 27 Sep	EgyptAir
03 Sep - 30 Sep	EgyptAir
01 Sep - 02 Oct	EgyptAir
18 Sep - 18 Oct	EgyptAir
09 Sep - 23 Sep	EgyptAir
19 Sep - 30 Sep	EgyptAir
25 Sep - 03 Oct	Etihad Airways
07 Sep - 01 Oct	Etihad Airways
26 Sep - 17 Oct	RwandAir
18 Sep - 01 Oct	Etihad Airways
19 Sep - 03 Oct	Kenya Airways
22 Sep - 06 Oct	Air France
25 Sep - 10 Oct	Kenya 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 563€

Return flights