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

Return flights

02 Dec - 08 Dec	Air India
02 Dec - 09 Dec	Air India
02 Dec - 17 Dec	Air India
02 Dec - 23 Dec	Air India
02 Dec - 16 Dec	Air India
03 Dec - 10 Dec	Air India
02 Dec - 11 Dec	Air India
03 Dec - 08 Dec	Air India
03 Dec - 22 Dec	Air India
03 Dec - 16 Dec	Air India
31 Dec - 23 Jan	SWISS
06 Dec - 17 Jan	SWISS
31 Dec - 17 Jan	SWISS
11 Dec - 17 Jan	SWISS
29 Dec - 17 Jan	SWISS
03 Dec - 19 Jan	Air India
30 Dec - 17 Jan	SWISS
05 Dec - 23 Jan	SWISS
04 Dec - 17 Jan	SWISS
08 Dec - 13 Jan	Eurowings

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 597€

Return flights