AirHint found the following cheapest return flights from Sao Paulo (GRU) to Porto (OPO) in July 2025 (see full year).

Return flights

18 Jul - 24 Aug	Royal Air Maroc
29 Jul - 05 Aug	Air China
29 Jul - 21 Aug	Iberia
25 Jul - 25 Aug	Iberia
25 Jul - 26 Aug	Iberia
25 Jul - 27 Aug	Iberia
26 Jul - 28 Aug	Iberia
19 Jul - 25 Aug	Iberia
25 Jul - 23 Aug	Iberia
26 Jul - 23 Aug	Iberia
15 Jul - 29 Jul	Air China
22 Jul - 29 Jul	Air China
08 Jul - 29 Jul	Air China
02 Jul - 10 Jul	Ethiopian Airlines
02 Jul - 22 Jul	Ethiopian Airlines
09 Jul - 15 Jul	Ethiopian Airlines
02 Jul - 14 Jul	Ethiopian Airlines
02 Jul - 08 Jul	Ethiopian Airlines
09 Jul - 22 Jul	Ethiopian Airlines
01 Jul - 29 Jul	Air China

Also check the deals for one-way flights from Sao Paulo to Porto in July.

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 July from $681

Return flights