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

Return flights

08 Sep - 15 Sep	Ryanair
01 Sep - 08 Sep	Ryanair
15 Sep - 23 Sep	Ryanair
24 Sep - 30 Sep	Ryanair
15 Sep - 21 Sep	Ryanair
13 Sep - 18 Sep	Ryanair
06 Sep - 11 Sep	Ryanair
11 Sep - 29 Sep	Emirates
08 Sep - 29 Sep	Emirates
18 Sep - 29 Sep	Emirates
25 Sep - 08 Oct	Emirates
10 Sep - 01 Oct	Emirates
29 Sep - 13 Oct	Emirates
25 Sep - 02 Oct	Emirates
09 Sep - 07 Oct	Emirates
19 Sep - 01 Oct	Emirates
27 Sep - 01 Oct	Emirates
27 Sep - 08 Oct	Emirates
06 Sep - 14 Oct	Emirates
25 Sep - 05 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 $743

Return flights