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

Return flights

24 Dec - 21 Jan	Lufthansa
24 Dec - 19 Jan	SWISS
25 Dec - 14 Jan	Lufthansa
23 Dec - 14 Jan	Lufthansa
25 Dec - 07 Jan	RwandAir
23 Dec - 15 Jan	RwandAir
23 Dec - 06 Jan	RwandAir
25 Dec - 05 Jan	RwandAir
24 Dec - 06 Jan	RwandAir
27 Dec - 05 Jan	RwandAir
26 Dec - 31 Dec	RwandAir
24 Dec - 28 Dec	KLM
23 Dec - 31 Dec	Lufthansa
23 Dec - 28 Dec	RwandAir
26 Dec - 31 Dec	British Airways	direct
24 Dec - 31 Dec	British Airways	direct
24 Dec - 28 Dec	British Airways	direct
23 Dec - 28 Dec	British Airways	direct
24 Dec - 29 Dec	Qatar 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 463€

Return flights