Cheapest return flights from Porto to Sao Paulo in September from 597€

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

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

Return flights

10 Sep - 30 Sep SWISS
09 Sep - 30 Sep SWISS
04 Sep - 05 Oct Royal Air Maroc
12 Sep - 31 Oct Royal Air Maroc
16 Sep - 28 Sep Iberia
16 Sep - 13 Oct Iberia
16 Sep - 14 Oct Iberia
16 Sep - 16 Oct Iberia
17 Sep - 14 Oct Iberia
17 Sep - 16 Oct Iberia
17 Sep - 13 Oct SWISS
18 Sep - 13 Oct Iberia
18 Sep - 14 Oct Iberia
03 Sep - 25 Sep SWISS
13 Sep - 26 Sep Royal Air Maroc
05 Sep - 26 Sep Royal Air Maroc
18 Sep - 30 Sep SWISS
03 Sep - 20 Sep British Airways
19 Sep - 27 Sep British Airways
06 Sep - 27 Sep British Airways

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

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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