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

Return flights

22 Sep - 29 Sep	Ethiopian Airlines
22 Sep - 30 Sep	Ethiopian Airlines
21 Sep - 30 Sep	Ethiopian Airlines
24 Sep - 28 Sep	Ethiopian Airlines
17 Sep - 23 Sep	Qatar Airways
22 Sep - 28 Oct	Qatar Airways
20 Sep - 30 Sep	Ethiopian Airlines
18 Sep - 25 Sep	Etihad Airways
15 Sep - 29 Sep	Ethiopian Airlines
19 Sep - 29 Sep	Condor
22 Sep - 24 Sep	Qatar Airways
22 Sep - 22 Oct	Turkish Airlines
24 Sep - 04 Oct	Kenya Airways
29 Sep - 03 Oct	Emirates
24 Sep - 05 Oct	Emirates
25 Sep - 06 Oct	Emirates
22 Sep - 13 Oct	Ethiopian Airlines
19 Sep - 05 Oct	Emirates
15 Sep - 15 Oct	Emirates
26 Sep - 16 Oct	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 529€

Return flights