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

Return flights

14 Sep - 18 Sep	Saudia
14 Sep - 25 Sep	Saudia
22 Sep - 06 Oct	Kenya Airways
14 Sep - 30 Sep	Saudia
29 Sep - 08 Oct	Kenya Airways
14 Sep - 02 Oct	Saudia
15 Sep - 22 Sep	Lufthansa
12 Sep - 18 Sep	Saudia
12 Sep - 25 Sep	Saudia
24 Sep - 30 Oct	Saudia
12 Sep - 23 Sep	Saudia
21 Sep - 09 Oct	Kenya Airways
10 Sep - 07 Oct	Saudia
12 Sep - 30 Sep	Saudia
10 Sep - 02 Oct	Saudia
14 Sep - 04 Oct	Saudia
24 Sep - 01 Oct	SWISS
15 Sep - 30 Sep	Lufthansa
15 Sep - 25 Sep	Lufthansa
14 Sep - 06 Oct	Saudia

Also check the deals for one-way flights from Plaisance to London 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 Plaisance to London in September from 609€

Return flights