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

Return flights

31 Dec - 22 Jan	Eurowings
02 Dec - 09 Dec	Eurowings
06 Dec - 19 Dec	SWISS
03 Dec - 24 Dec	SWISS
31 Dec - 14 Jan	Eurowings
02 Dec - 12 Jan	Eurowings
02 Dec - 17 Dec	SWISS
09 Dec - 17 Dec	SWISS
03 Dec - 13 Jan	Lufthansa
08 Dec - 11 Dec	Lufthansa
10 Dec - 31 Dec	SWISS
03 Dec - 14 Dec	Lufthansa
04 Dec - 14 Dec	Lufthansa
10 Dec - 17 Dec	SWISS
09 Dec - 16 Jan	Lufthansa
09 Dec - 15 Jan	Eurowings
08 Dec - 16 Jan	British Airways
31 Dec - 17 Jan	SWISS
05 Dec - 16 Jan	Lufthansa
30 Dec - 23 Jan	Turkish Airlines

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 627€

Return flights