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

Return flights

02 Dec - 15 Dec	RwandAir
04 Dec - 14 Dec	RwandAir
06 Dec - 23 Dec	Air France
01 Dec - 15 Dec	Ethiopian Airlines
06 Dec - 14 Dec	Lufthansa
01 Dec - 14 Dec	Kenya Airways
01 Dec - 07 Dec	Kenya Airways
01 Dec - 18 Dec	Kenya Airways
04 Dec - 11 Dec	Turkish Airlines
08 Dec - 15 Dec	Turkish Airlines
10 Dec - 15 Jan	Turkish Airlines
09 Dec - 10 Jan	EgyptAir
10 Dec - 10 Jan	EgyptAir
27 Dec - 12 Jan	Gulf Air
27 Dec - 11 Jan	Gulf Air
28 Dec - 11 Jan	Gulf Air
25 Dec - 19 Jan	RwandAir
08 Dec - 14 Jan	Kenya Airways
16 Dec - 12 Jan	Lufthansa
27 Dec - 10 Jan	Gulf Air

Also check the deals for one-way flights from London to Mombasa 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 Mombasa in December from 552€

Return flights