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

Return flights

05 Jul - 28 Jul	British Airways
04 Jul - 19 Jul	British Airways
04 Jul - 17 Jul	British Airways
04 Jul - 27 Jul	British Airways
07 Jul - 22 Jul	Turkish Airlines
04 Jul - 18 Jul	British Airways
04 Jul - 20 Jul	British Airways
02 Jul - 16 Jul	TAP
10 Jul - 21 Jul	Air Europa
10 Jul - 10 Aug	Air Europa
03 Jul - 10 Jul	Iberia
01 Jul - 02 Aug	Air Europa
05 Jul - 02 Aug	Air Europa
20 Jul - 04 Aug	Air Europa
22 Jul - 06 Aug	Air Europa
23 Jul - 07 Aug	Air Europa
02 Jul - 12 Aug	Air Europa
12 Jul - 26 Aug	TAP
21 Jul - 05 Aug	Air Europa
14 Jul - 26 Aug	TAP

Also check the deals for one-way flights from Porto to Sao Paulo 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 Porto to Sao Paulo in July from $757

Return flights