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

Return flights

31 Dec - 25 Jan	Eurowings
08 Dec - 18 Jan	Lufthansa
06 Dec - 14 Dec	Eurowings
31 Dec - 24 Jan	Eurowings
31 Dec - 15 Jan	Eurowings
06 Dec - 17 Dec	SWISS
29 Dec - 31 Jan	SWISS
01 Dec - 24 Dec	SWISS
08 Dec - 17 Dec	SWISS
02 Dec - 12 Dec	SWISS
02 Dec - 17 Dec	SWISS
09 Dec - 19 Dec	SWISS
09 Dec - 24 Dec	SWISS
08 Dec - 24 Dec	SWISS
02 Dec - 16 Dec	Eurowings
08 Dec - 17 Jan	SWISS
08 Dec - 31 Jan	SWISS
31 Dec - 31 Jan	SWISS
30 Dec - 17 Jan	SWISS
08 Dec - 16 Jan	Lufthansa

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 644€

Return flights