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

Return flights

27 Sep - 08 Oct	Etihad Airways
29 Sep - 14 Oct	Etihad Airways
28 Sep - 08 Oct	Etihad Airways
27 Sep - 04 Oct	Etihad Airways
22 Sep - 30 Sep	Etihad Airways
17 Sep - 29 Sep	Etihad Airways
29 Sep - 03 Oct	ITA Airways
26 Sep - 04 Oct	Etihad Airways
19 Sep - 22 Sep	Etihad Airways
18 Sep - 25 Sep	ITA Airways
21 Sep - 29 Sep	Ryanair
30 Sep - 04 Oct	Aer Lingus
20 Sep - 05 Oct	Iberia
29 Sep - 09 Oct	Iberia
16 Sep - 23 Sep	Ryanair
19 Sep - 26 Sep	Ryanair
19 Sep - 21 Sep	Wizz Air Malta
19 Sep - 02 Oct	Iberia
15 Sep - 23 Sep	easyJet
15 Sep - 19 Sep	Wizz Air Malta

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 713€

Return flights