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

Return flights

05 Sep - 11 Sep	Kenya Airways
05 Sep - 21 Sep	Kenya Airways
24 Sep - 01 Oct	Kenya Airways
26 Sep - 20 Oct	Kenya Airways
19 Sep - 05 Oct	Kenya Airways
24 Sep - 02 Oct	Kenya Airways
20 Sep - 28 Sep	ITA Airways
09 Sep - 14 Sep	Kenya Airways
26 Sep - 10 Oct	Kenya Airways
22 Sep - 01 Oct	British Airways
08 Sep - 15 Sep	KLM
02 Sep - 10 Sep	KLM
22 Sep - 05 Oct	KLM
18 Sep - 28 Sep	Luxair
05 Sep - 20 Sep	KLM
10 Sep - 20 Sep	British Airways
09 Sep - 20 Sep	British Airways
25 Sep - 07 Oct	ITA Airways

Also check the deals for one-way flights from London to Mahe 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 Mahe in September from 800€

Return flights