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

Return flights

05 Dec - 05 Jan	Kenya Airways
17 Dec - 08 Jan	Kenya Airways
12 Dec - 08 Jan	Kenya Airways
07 Dec - 05 Jan	Kenya Airways
26 Dec - 01 Jan	Kenya Airways
10 Dec - 31 Jan	Kenya Airways
17 Dec - 10 Jan	Kenya Airways
14 Dec - 05 Jan	Kenya Airways
10 Dec - 22 Jan	Kenya Airways
26 Dec - 10 Jan	Kenya Airways
03 Dec - 07 Dec	Ethiopian Airlines
01 Dec - 07 Dec	Ethiopian Airlines
04 Dec - 07 Dec	Qatar Airways
05 Dec - 07 Dec	Qatar Airways
04 Dec - 09 Dec	Emirates
13 Dec - 25 Dec	Ethiopian Airlines
16 Dec - 31 Dec	SWISS
15 Dec - 31 Dec	SWISS
17 Dec - 30 Dec	Ethiopian Airlines
09 Dec - 12 Dec	Lift Airlines

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 557€

Return flights