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

Return flights

16 Sep - 29 Sep	Ethiopian Airlines
02 Sep - 09 Sep	Ethiopian Airlines
01 Sep - 09 Sep	Ethiopian Airlines
16 Sep - 01 Oct	Etihad Airways
08 Sep - 22 Sep	Etihad Airways
29 Sep - 13 Oct	Etihad Airways
19 Sep - 30 Sep	Etihad Airways
13 Sep - 30 Sep	Etihad Airways
16 Sep - 04 Oct	Etihad Airways
10 Sep - 23 Sep	Ethiopian Airlines
08 Sep - 15 Sep	Ethiopian Airlines
16 Sep - 02 Oct	Qatar Airways
09 Sep - 18 Sep	IndiGo
03 Sep - 10 Sep	Etihad Airways
29 Sep - 09 Oct	Etihad Airways

Also check the deals for one-way flights from Brussels 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 Brussels to Mahe in September from $722

Return flights