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

Return flights

29 Aug - 07 Sep	Azores Airlines
31 Aug - 09 Sep	Azores Airlines
21 Aug - 07 Sep	Azores Airlines
30 Aug - 08 Sep	TAP
29 Aug - 04 Sep	Azores Airlines
15 Aug - 22 Aug	Azores Airlines
24 Aug - 31 Aug	Royal Air Maroc
08 Aug - 22 Aug	Ryanair
03 Aug - 08 Aug	Azores Airlines
15 Aug - 26 Aug	Azores Airlines
17 Aug - 31 Aug	Royal Air Maroc
21 Aug - 28 Aug	Royal Air Maroc
27 Aug - 01 Sep	TAP
17 Aug - 24 Aug	Royal Air Maroc
08 Aug - 10 Aug	Ryanair
16 Aug - 25 Aug	Ryanair
29 Aug - 01 Sep	TAP

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 $439

Return flights