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

Return flights

09 Dec - 24 Jan	Lufthansa
02 Dec - 09 Dec	Etihad Airways
09 Dec - 17 Jan	KLM
25 Dec - 13 Jan	Lufthansa
23 Dec - 29 Jan	Etihad Airways
10 Dec - 17 Jan	Virgin Atlantic
15 Dec - 19 Jan	RwandAir
09 Dec - 06 Jan	RwandAir
10 Dec - 17 Jan	British Airways	direct
10 Dec - 26 Jan	British Airways	direct
04 Dec - 13 Jan	British Airways	direct
24 Dec - 31 Dec	KLM
05 Dec - 31 Dec	British Airways	direct
19 Dec - 31 Dec	Virgin Atlantic	direct
05 Dec - 06 Dec	Kenya Airways
09 Dec - 27 Dec	Virgin Atlantic	direct
22 Dec - 29 Dec	RwandAir
22 Dec - 30 Dec	RwandAir
21 Dec - 31 Dec	RwandAir
20 Dec - 27 Dec	RwandAir

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 486€

Return flights