AirHint found the following cheapest return flights from Porto (OPO) to Praia, Santiago Island (RAI) in August 2025 (see full year).

Return flights

22 Aug - 13 Sep	Azores Airlines
29 Aug - 07 Sep	Azores Airlines
30 Aug - 06 Sep	Azores Airlines
29 Aug - 02 Sep	Azores Airlines
17 Aug - 04 Sep	Azores Airlines
08 Aug - 22 Aug	Azores Airlines
09 Aug - 16 Aug	Azores Airlines
16 Aug - 25 Aug	Azores Airlines
21 Aug - 25 Aug	Azores Airlines
17 Aug - 31 Aug	Azores Airlines
14 Aug - 17 Aug	Royal Air Maroc
01 Aug - 10 Aug	Azores Airlines
15 Aug - 26 Aug	Azores Airlines
26 Aug - 02 Sep	TAP
08 Aug - 15 Aug	Azores Airlines
17 Aug - 24 Aug	Azores Airlines

Also check the deals for one-way flights from Porto to Praia, Santiago Island 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 Praia, Santiago Island in August from 360€

Return flights