Cheapest return flights from Sao Paulo to Porto in August from $688

Best time to book flights for Sao Paulo (GRU) to Porto (OPO) flights at AirHint

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

Return flights

18 Aug - 14 Sep British Airways
18 Aug - 25 Aug British Airways
23 Aug - 02 Sep British Airways
09 Aug - 23 Aug British Airways
19 Aug - 26 Aug British Airways
06 Aug - 18 Aug TAP
06 Aug - 16 Aug TAP
07 Aug - 26 Aug Iberia
04 Aug - 18 Aug Iberia
05 Aug - 26 Aug Iberia
04 Aug - 25 Aug Iberia
12 Aug - 19 Aug Air Europa
24 Aug - 08 Sep British Airways
17 Aug - 07 Sep British Airways
02 Aug - 02 Sep Iberia
22 Aug - 08 Sep Iberia
22 Aug - 05 Sep Iberia
20 Aug - 10 Sep Iberia
26 Aug - 13 Sep British Airways
31 Aug - 16 Sep Iberia

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

Skyscanner

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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