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

Return flights

11 Aug - 24 Aug	Iberia
05 Aug - 26 Aug	Iberia
02 Aug - 18 Aug	Iberia
06 Aug - 20 Aug	Iberia
07 Aug - 21 Aug	Iberia
06 Aug - 25 Aug	Iberia
13 Aug - 03 Sep	Iberia
05 Aug - 24 Aug	Iberia
02 Aug - 24 Aug	Iberia
11 Aug - 25 Aug	Iberia
09 Aug - 20 Aug	Iberia
14 Aug - 04 Sep	Iberia
25 Aug - 10 Sep	British Airways
18 Aug - 21 Sep	Iberia
06 Aug - 07 Sep	Air Europa
22 Aug - 16 Sep	British Airways
04 Aug - 05 Sep	Air Europa
25 Aug - 01 Sep	British Airways
20 Aug - 02 Sep	British Airways
22 Aug - 12 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 630€

Return flights