AirHint found the following cheapest return flights from Porto (OPO) to Mahe (SEZ) in August 2025 (see full year).

Return flights

30 Aug - 08 Sep	Ethiopian Airlines
26 Aug - 05 Sep	Ethiopian Airlines
18 Aug - 25 Aug	Ethiopian Airlines
14 Aug - 25 Aug	Ethiopian Airlines
26 Aug - 03 Sep	Ethiopian Airlines
09 Aug - 13 Aug	Ethiopian Airlines
12 Aug - 20 Aug	Ethiopian Airlines
27 Aug - 05 Sep	Ryanair
26 Aug - 04 Sep	Air Europa
24 Aug - 01 Sep	Ryanair
25 Aug - 02 Sep	Vueling Airlines
15 Aug - 30 Aug	Ryanair
08 Aug - 13 Aug	Lufthansa

Also check the deals for one-way flights from Porto to Mahe in August.

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 Porto to Mahe in August from 590€

Return flights