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

Return flights

27 Sep - 05 Oct	Wizz Air UK
11 Sep - 21 Sep	Wizz Air
26 Sep - 05 Oct	Wizz Air
12 Sep - 27 Sep	Wizz Air UK
05 Sep - 20 Sep	Wizz Air UK
20 Sep - 27 Sep	Wizz Air UK
28 Sep - 12 Oct	Wizz Air Malta
03 Sep - 14 Sep	Wizz Air UK
06 Sep - 27 Sep	Wizz Air UK
09 Sep - 19 Sep	Wizz Air
23 Sep - 30 Sep	Wizz Air
03 Sep - 10 Sep	Wizz Air UK
27 Sep - 04 Oct	Wizz Air UK
19 Sep - 28 Sep	Wizz Air UK
24 Sep - 09 Oct	Wizz Air
23 Sep - 11 Oct	Wizz Air
30 Sep - 13 Oct	Wizz Air Malta

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 665€

Return flights