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

Return flights

25 Sep - 06 Oct	Emirates
24 Sep - 01 Oct	Air France
26 Sep - 06 Oct	Emirates
29 Sep - 08 Oct	Emirates
25 Sep - 01 Oct	Emirates
30 Sep - 07 Oct	Emirates
29 Sep - 14 Oct	Ethiopian Airlines
26 Sep - 10 Oct	Emirates
27 Sep - 02 Oct	Ethiopian Airlines
28 Sep - 02 Oct	Ethiopian Airlines
24 Sep - 25 Sep	Kenya Airways
23 Sep - 28 Sep	Condor
24 Sep - 26 Sep	Emirates
25 Sep - 29 Sep	Emirates
22 Sep - 27 Sep	Etihad Airways
24 Sep - 28 Sep	Ethiopian Airlines
21 Sep - 28 Sep	Emirates
25 Sep - 28 Sep	Emirates

Also check the deals for one-way flights from Johannesburg to London 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 Johannesburg to London in September from 651€

Return flights