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

Return flights

16 Sep - 27 Sep	AJet
16 Sep - 23 Sep	Ryanair
22 Sep - 30 Sep	Ryanair
15 Sep - 26 Sep	Pegasus Airlines
16 Sep - 29 Sep	AJet
22 Sep - 28 Sep	Ryanair
14 Sep - 21 Sep	Ryanair
01 Sep - 15 Sep	Pegasus Airlines
15 Sep - 29 Sep	Pegasus Airlines
19 Sep - 27 Sep	Pegasus Airlines
23 Sep - 04 Oct	AJet
25 Sep - 05 Oct	Ryanair
24 Sep - 03 Oct	Pegasus Airlines
29 Sep - 12 Oct	Ryanair
21 Sep - 02 Oct	AJet
28 Sep - 12 Oct	AJet
26 Sep - 05 Oct	Pegasus Airlines
30 Sep - 12 Oct	AJet
22 Sep - 02 Oct	Emirates
26 Sep - 10 Oct	Emirates

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 588€

Return flights