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

Return flights

29 Jun - 13 Jul	British Airways
28 Jun - 20 Jul	KLM
28 Jun - 13 Jul	KLM
30 Jun - 26 Jul	Iberia
29 Jun - 14 Jul	Iberia
30 Jun - 15 Jul	KLM
29 Jun - 06 Jul	KLM
28 Jun - 08 Jul	Vueling Airlines
30 Jun - 30 Jul	Iberia
28 Jun - 05 Jul	KLM
29 Jun - 30 Jun	British Airways

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

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 Sao Paulo in June from $881

Return flights