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

Return flights

02 Dec - 21 Jan	Lufthansa
09 Dec - 18 Jan	Lufthansa
04 Dec - 07 Dec	Lufthansa
16 Dec - 31 Dec	Lufthansa
25 Dec - 31 Dec	Lufthansa
04 Dec - 09 Dec	Lufthansa
05 Dec - 18 Jan	RwandAir
10 Dec - 22 Jan	Air France
09 Dec - 14 Jan	Lufthansa
10 Dec - 31 Jan	Air France
25 Dec - 01 Jan	Lufthansa
09 Dec - 25 Dec	Etihad Airways
16 Dec - 01 Jan	Lufthansa
01 Dec - 31 Dec	SWISS
11 Dec - 13 Jan	RwandAir
18 Dec - 01 Jan	Lufthansa
04 Dec - 11 Dec	Lufthansa
03 Dec - 07 Dec	British Airways	direct
17 Dec - 30 Dec	Air France
04 Dec - 07 Dec	British Airways	direct

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 445€

Return flights