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

Return flights

22 Sep - 20 Oct	Ethiopian Airlines
22 Sep - 06 Oct	Ethiopian Airlines
28 Sep - 01 Oct	Qatar Airways
14 Sep - 21 Sep	Qatar Airways
19 Sep - 24 Sep	Qatar Airways
22 Sep - 29 Sep	Ethiopian Airlines
23 Sep - 30 Sep	Qatar Airways
15 Sep - 30 Sep	Ethiopian Airlines
15 Sep - 29 Sep	Ethiopian Airlines
15 Sep - 21 Sep	Qatar Airways
18 Sep - 21 Sep	Qatar Airways
19 Sep - 22 Sep	Qatar Airways
10 Sep - 21 Sep	Qatar Airways
30 Sep - 05 Oct	Emirates
21 Sep - 03 Oct	Emirates
23 Sep - 14 Oct	Ethiopian Airlines
08 Sep - 06 Oct	Emirates
18 Sep - 08 Oct	Emirates
25 Sep - 06 Oct	Emirates
26 Sep - 03 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 $698

Return flights