Cheapest return flights from Porto to Sao Paulo in September from $690

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

20 Sep - 12 Oct Royal Air Maroc
19 Sep - 28 Sep Royal Air Maroc
05 Sep - 28 Sep Royal Air Maroc
04 Sep - 30 Sep SWISS
11 Sep - 10 Oct Royal Air Maroc
12 Sep - 11 Oct Air Europa
06 Sep - 26 Sep Royal Air Maroc
05 Sep - 30 Sep Air Europa
18 Sep - 14 Oct Air Europa
26 Sep - 28 Sep TAP
01 Sep - 30 Sep Iberia
04 Sep - 16 Sep Air Europa
02 Sep - 16 Sep Air Europa
09 Sep - 24 Sep Air Europa
20 Sep - 04 Oct Air Europa
02 Sep - 02 Oct Air Europa
20 Sep - 14 Oct Air Europa
23 Sep - 14 Oct TAP
21 Sep - 07 Oct SWISS
20 Sep - 04 Oct TAP direct

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

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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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