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

Return flights

04 Dec - 18 Jan	Eurowings
05 Dec - 14 Dec	Eurowings
02 Dec - 09 Dec	Lufthansa
02 Dec - 05 Dec	Lufthansa
11 Dec - 19 Dec	Austrian Airlines
07 Dec - 19 Dec	Austrian Airlines
02 Dec - 08 Dec	Lufthansa
01 Dec - 19 Dec	SWISS
09 Dec - 19 Dec	SWISS
04 Dec - 18 Dec	Eurowings
04 Dec - 14 Jan	Lufthansa
01 Dec - 23 Jan	Air India
09 Dec - 23 Dec	Lufthansa
30 Dec - 21 Jan	SWISS
30 Dec - 15 Jan	Turkish Airlines
30 Dec - 14 Jan	Turkish Airlines
31 Dec - 15 Jan	Turkish Airlines
30 Dec - 30 Jan	Turkish Airlines
29 Dec - 17 Jan	Lufthansa
30 Dec - 18 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 671€

Return flights