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

Return flights

10 Sep - 22 Sep	Ryanair
10 Sep - 17 Sep	Ryanair
08 Sep - 22 Sep	Ryanair
06 Sep - 15 Sep	Ryanair
03 Sep - 17 Sep	Ryanair
12 Sep - 21 Sep	Ryanair
11 Sep - 22 Sep	Ryanair
10 Sep - 23 Sep	Ryanair
01 Sep - 08 Sep	Ryanair
11 Sep - 17 Sep	Ryanair
20 Sep - 04 Oct	Ryanair
28 Sep - 19 Oct	Ryanair
28 Sep - 08 Oct	Ryanair
28 Sep - 12 Oct	Ryanair
29 Sep - 10 Oct	Ryanair
28 Sep - 02 Oct	Emirates
30 Sep - 14 Oct	Emirates
18 Sep - 07 Oct	Emirates
25 Sep - 08 Oct	Emirates
10 Sep - 01 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 585€

Return flights