AirHint found the following cheapest return flights from Sao Paulo (GRU) to Porto (OPO) in August 2026 (see full year).

Return flights

06 Aug - 17 Aug	Iberia
04 Aug - 16 Aug	Iberia
02 Aug - 20 Aug	Iberia
04 Aug - 20 Aug	Iberia
02 Aug - 18 Aug	Iberia
11 Aug - 20 Aug	Iberia
08 Aug - 18 Aug	Iberia
11 Aug - 26 Aug	Iberia
10 Aug - 25 Aug	Iberia
20 Aug - 29 Sep	Iberia
04 Aug - 24 Aug	Iberia
15 Aug - 03 Sep	Iberia
04 Aug - 25 Sep	Iberia
25 Aug - 01 Sep	Iberia
21 Aug - 16 Sep	Iberia
22 Aug - 17 Sep	Iberia
22 Aug - 16 Sep	Iberia
27 Aug - 25 Sep	British Airways

Also check the deals for one-way flights from Sao Paulo to Porto 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 Sao Paulo to Porto in August from 623€

Return flights