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

Return flights

10 Sep - 24 Sep	Etihad Airways
08 Sep - 15 Sep	Etihad Airways
09 Sep - 23 Sep	Etihad Airways
10 Sep - 21 Sep	Etihad Airways
21 Sep - 01 Oct	Etihad Airways
14 Sep - 21 Sep	Etihad Airways
21 Sep - 28 Sep	Etihad Airways
02 Sep - 17 Sep	Etihad Airways
15 Sep - 23 Sep	Etihad Airways
03 Sep - 10 Sep	Etihad Airways
22 Sep - 28 Sep	Etihad Airways
22 Sep - 05 Oct	Etihad Airways
22 Sep - 01 Oct	Etihad Airways
23 Sep - 01 Oct	Etihad Airways
23 Sep - 02 Oct	Qatar Airways
29 Sep - 10 Oct	Ryanair
25 Sep - 11 Oct	Qatar Airways

Also check the deals for one-way flights from Barcelona 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 Barcelona to Mahe in September from $774

Return flights