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

Return flights

09 Dec - 18 Jan	Lufthansa
04 Dec - 08 Dec	Lufthansa
26 Dec - 25 Jan	Etihad Airways
04 Dec - 14 Jan	Lufthansa
09 Dec - 14 Jan	Lufthansa
04 Dec - 15 Jan	Lufthansa
04 Dec - 16 Jan	Virgin Atlantic	direct
04 Dec - 15 Jan	Virgin Atlantic	direct
11 Dec - 05 Jan	RwandAir
11 Dec - 06 Jan	RwandAir
05 Dec - 15 Jan	KLM
02 Dec - 07 Dec	KLM
01 Dec - 08 Dec	RwandAir
04 Dec - 08 Dec	British Airways	direct
02 Dec - 09 Dec	Etihad Airways
01 Dec - 08 Dec	British Airways	direct
23 Dec - 30 Dec	RwandAir
24 Dec - 31 Dec	RwandAir
16 Dec - 31 Dec	RwandAir
23 Dec - 31 Dec	Lufthansa

Also check the deals for one-way flights from Johannesburg to London in December.

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 December from $583

Return flights