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

Return flights

06 Sep - 21 Sep	Ryanair
06 Sep - 16 Sep	Ryanair
22 Sep - 30 Sep	Ryanair
09 Sep - 15 Sep	Ryanair
20 Sep - 03 Oct	Ryanair
08 Sep - 15 Sep	Ryanair
16 Sep - 26 Sep	Ryanair
01 Sep - 14 Sep	Ryanair
05 Sep - 16 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
23 Sep - 07 Oct	Ryanair
17 Sep - 30 Sep	Ryanair
22 Sep - 02 Oct	Ryanair
25 Sep - 09 Oct	Ryanair
26 Sep - 05 Oct	Ryanair
08 Sep - 08 Oct	Emirates
16 Sep - 02 Oct	Emirates
16 Sep - 07 Oct	Emirates
30 Sep - 20 Oct	Emirates
29 Sep - 20 Oct	Emirates

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 565€

Return flights