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

Return flights

04 Sep - 18 Sep	Kenya Airways
18 Sep - 25 Sep	Kenya Airways
04 Sep - 11 Sep	Kenya Airways
18 Sep - 09 Oct	Kenya Airways
04 Sep - 25 Sep	Kenya Airways
30 Sep - 22 Oct	SWISS
30 Sep - 15 Oct	SWISS
18 Sep - 29 Sep	Kenya Airways
24 Sep - 16 Oct	Kenya Airways
20 Sep - 28 Sep	ITA Airways
25 Sep - 29 Sep	Kenya Airways
26 Sep - 20 Oct	Kenya Airways
04 Sep - 14 Sep	Kenya Airways
30 Sep - 05 Oct	SWISS
30 Sep - 27 Oct	SWISS
08 Sep - 21 Sep	KLM
11 Sep - 26 Sep	SWISS
09 Sep - 07 Oct	KLM
24 Sep - 02 Oct	KLM
14 Sep - 19 Oct	KLM

Also check the deals for one-way flights from London to Plaisance in September.

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 September from 876€

Return flights