AirHint found the following cheapest return flights from London (LCY) to Plaisance (MRU) in December 2026 (see full year).

Return flights

08 Dec - 18 Dec	SWISS
09 Dec - 17 Dec	ITA Airways
15 Dec - 23 Dec	Lufthansa
15 Dec - 20 Jan	Lufthansa
09 Dec - 22 Dec	ITA Airways
09 Dec - 21 Dec	ITA Airways
02 Dec - 13 Dec	SWISS
07 Dec - 13 Dec	SWISS
29 Dec - 13 Jan	SWISS
30 Dec - 15 Jan	SWISS
10 Dec - 08 Jan	SWISS
15 Dec - 25 Dec	SWISS
28 Dec - 17 Jan	SWISS
28 Dec - 15 Jan	SWISS
15 Dec - 08 Jan	SWISS
17 Dec - 15 Jan	SWISS
15 Dec - 27 Dec	Lufthansa
14 Dec - 08 Jan	SWISS
11 Dec - 20 Dec	Lufthansa
17 Dec - 08 Jan	SWISS

Also check the deals for one-way flights from London to Plaisance 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 Plaisance in December from $913

Return flights