AirHint found the following cheapest return flights from London (LCY) to Nairobi (NBO) in December 2025 (see full year).

Return flights

08 Dec - 17 Dec	SWISS
02 Dec - 08 Dec	SWISS
11 Dec - 24 Dec	SWISS
11 Dec - 20 Dec	SWISS
11 Dec - 29 Dec	SWISS
11 Dec - 28 Dec	SWISS
03 Dec - 10 Dec	Kenya Airways
01 Dec - 23 Dec	Kenya Airways
05 Dec - 23 Dec	Kenya Airways
03 Dec - 16 Dec	Kenya Airways
04 Dec - 16 Jan	Kenya Airways
31 Dec - 22 Jan	Kenya Airways
24 Dec - 23 Jan	SWISS
28 Dec - 14 Jan	SWISS
28 Dec - 18 Jan	SWISS
09 Dec - 19 Jan	Kenya Airways
15 Dec - 12 Jan	SWISS
05 Dec - 12 Jan	Kenya Airways
29 Dec - 18 Jan	Lufthansa
10 Dec - 15 Jan	SWISS

Also check the deals for one-way flights from London to Nairobi 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 Nairobi in December from $843

Return flights