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

Return flights

10 Dec - 15 Jan	Kenya Airways
19 Dec - 22 Jan	Kenya Airways
17 Dec - 29 Jan	Kenya Airways
24 Dec - 08 Jan	Kenya Airways
17 Dec - 01 Jan	Kenya Airways
10 Dec - 22 Jan	Kenya Airways
05 Dec - 08 Jan	Kenya Airways
16 Dec - 31 Jan	South African Airways
05 Dec - 31 Jan	Kenya Airways
11 Dec - 04 Jan	Turkish Airlines
01 Dec - 08 Dec	CemAir
02 Dec - 09 Dec	Lufthansa
03 Dec - 10 Dec	Lift Airlines
01 Dec - 11 Dec	FlySafair
08 Dec - 11 Dec	FlySafair
02 Dec - 05 Dec	SWISS
01 Dec - 05 Dec	Emirates
05 Dec - 11 Dec	EgyptAir
04 Dec - 11 Dec	FlySafair
23 Dec - 30 Dec	South African Airways

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 589€

Return flights