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

Return flights

02 Dec - 09 Dec	Lufthansa
01 Dec - 15 Jan	Etihad Airways
05 Dec - 18 Jan	EgyptAir
03 Dec - 23 Jan	EgyptAir
05 Dec - 08 Dec	EgyptAir
01 Dec - 08 Dec	EgyptAir
03 Dec - 08 Dec	EgyptAir
04 Dec - 07 Dec	EgyptAir
02 Dec - 14 Jan	Lufthansa
07 Dec - 17 Jan	Etihad Airways
05 Dec - 16 Jan	EgyptAir
01 Dec - 11 Dec	Brussels Airlines
01 Dec - 05 Dec	EgyptAir
01 Dec - 13 Jan	Lufthansa
31 Dec - 14 Jan	Lufthansa
04 Dec - 11 Dec	Brussels Airlines
02 Dec - 28 Dec	Brussels Airlines
30 Dec - 14 Jan	Lufthansa
08 Dec - 12 Jan	EgyptAir
05 Dec - 28 Dec	Lufthansa

Also check the deals for one-way flights from London to Johannesburg 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 London to Johannesburg in December from 520€

Return flights