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

Return flights

08 Dec - 16 Dec	ITA Airways
01 Dec - 07 Dec	Kenya Airways
01 Dec - 11 Dec	British Airways
05 Dec - 07 Dec	Lufthansa
09 Dec - 23 Dec	Lufthansa
08 Dec - 22 Dec	SWISS
15 Dec - 28 Dec	SWISS
04 Dec - 11 Dec	SWISS
21 Dec - 28 Dec	SWISS
20 Dec - 31 Dec	SWISS
09 Dec - 05 Jan	Lufthansa
26 Dec - 11 Jan	Lufthansa
17 Dec - 07 Jan	British Airways
30 Dec - 07 Jan	Lufthansa
16 Dec - 11 Jan	Lufthansa
11 Dec - 05 Jan	SWISS
23 Dec - 05 Jan	Lufthansa
27 Dec - 03 Jan	British Airways
27 Dec - 04 Jan	British Airways
22 Dec - 04 Jan	British Airways

Also check the deals for one-way flights from London to Mahe 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 Mahe in December from 852€

Return flights