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

Return flights

02 Dec - 25 Dec	SWISS
03 Dec - 24 Dec	SWISS
01 Dec - 14 Dec	KLM
31 Dec - 17 Jan	Air France
01 Dec - 15 Dec	KLM
02 Dec - 16 Dec	KLM
01 Dec - 31 Jan	KLM
02 Dec - 09 Dec	KLM
31 Dec - 24 Jan	Air France
31 Dec - 18 Jan	Air France
01 Dec - 10 Dec	KLM
02 Dec - 14 Dec	Air France
01 Dec - 09 Dec	KLM
30 Dec - 20 Jan	Ethiopian Airlines
02 Dec - 17 Dec	Air France
30 Dec - 18 Jan	Air France
08 Dec - 21 Jan	SWISS
03 Dec - 31 Jan	SWISS
03 Dec - 21 Jan	SWISS
05 Dec - 16 Jan	Air France

Also check the deals for one-way flights from London to Cape Town 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 Cape Town in December from 564€

Return flights