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

Return flights

30 Aug - 14 Sep	ITA Airways
31 Aug - 07 Sep	KLM
30 Aug - 07 Sep	Kenya Airways
26 Aug - 05 Sep	KLM
19 Aug - 27 Aug	British Airways
19 Aug - 26 Aug	KLM
22 Aug - 02 Sep	British Airways
20 Aug - 27 Aug	KLM
19 Aug - 02 Sep	British Airways
20 Aug - 02 Sep	British Airways
18 Aug - 01 Sep	ITA Airways
19 Aug - 21 Aug	KLM
24 Aug - 31 Aug	British Airways
30 Aug - 06 Sep	KLM
17 Aug - 27 Aug	SWISS
31 Aug - 04 Sep	British Airways
18 Aug - 27 Aug	British Airways
19 Aug - 28 Aug	KLM
22 Aug - 31 Aug	British Airways
20 Aug - 31 Aug	British Airways

Also check the deals for one-way flights from London to Mahe in August.

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 August from 1139€

Return flights