Cheapest return flights from Sao Paulo to Porto in October from $676

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 October 2025 (see full year).

Return flights

16 Oct - 31 Oct Iberia
23 Oct - 31 Oct Iberia
21 Oct - 30 Oct Iberia
21 Oct - 05 Nov Iberia
26 Oct - 10 Nov Iberia
30 Oct - 15 Nov Iberia
30 Oct - 14 Nov Iberia
16 Oct - 14 Nov Iberia
26 Oct - 05 Nov Iberia
23 Oct - 26 Nov Iberia
23 Oct - 23 Nov Iberia
30 Oct - 28 Nov Iberia
25 Oct - 17 Nov Iberia
18 Oct - 30 Oct Iberia
01 Oct - 31 Oct Iberia
01 Oct - 16 Oct Iberia
20 Oct - 31 Oct Iberia
18 Oct - 27 Oct Iberia
07 Oct - 20 Oct Iberia
01 Oct - 20 Oct Iberia

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

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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