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

Return flights

24 Sep - 01 Oct	Etihad Airways
25 Sep - 01 Oct	RwandAir
30 Sep - 07 Oct	RwandAir
25 Sep - 08 Oct	RwandAir
26 Sep - 02 Oct	RwandAir
26 Sep - 06 Oct	RwandAir
25 Sep - 15 Oct	RwandAir
26 Sep - 10 Oct	RwandAir
25 Sep - 04 Oct	RwandAir
30 Sep - 10 Oct	RwandAir
25 Sep - 29 Sep	Etihad Airways
23 Sep - 28 Sep	RwandAir
24 Sep - 25 Sep	RwandAir
24 Sep - 26 Sep	RwandAir
22 Sep - 27 Sep	RwandAir
23 Sep - 28 Sep	British Airways	direct
25 Sep - 28 Sep	British Airways	direct
26 Sep - 28 Sep	RwandAir
25 Sep - 29 Sep	British Airways	direct
22 Sep - 29 Sep	British Airways	direct

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 520€

Return flights