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

Return flights

30 Dec - 22 Jan	KLM
29 Dec - 18 Jan	SWISS
30 Dec - 25 Jan	SWISS
30 Dec - 23 Jan	SWISS
31 Dec - 23 Jan	SWISS
31 Dec - 31 Jan	KLM
30 Dec - 20 Jan	SWISS
30 Dec - 27 Jan	SWISS
29 Dec - 11 Jan	SWISS
29 Dec - 30 Jan	SWISS
21 Dec - 22 Dec	ITA Airways
23 Dec - 31 Dec	SWISS
26 Dec - 31 Dec	Lufthansa
23 Dec - 28 Dec	SWISS
22 Dec - 28 Dec	SWISS
27 Dec - 31 Dec	KLM
23 Dec - 25 Dec	SWISS
21 Dec - 28 Dec	ITA Airways
22 Dec - 29 Dec	KLM
24 Dec - 31 Dec	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 773€

Return flights