Cheapest return flights from Porto to Sao Paulo in October from $634

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 October 2025 (see full year).

Return flights

02 Oct - 09 Oct British Airways
02 Oct - 01 Nov British Airways
09 Oct - 21 Oct British Airways
03 Oct - 25 Oct British Airways
09 Oct - 18 Oct British Airways
11 Oct - 25 Oct British Airways
11 Oct - 28 Oct British Airways
09 Oct - 01 Nov British Airways
24 Oct - 15 Nov British Airways
01 Oct - 31 Oct TAP
21 Oct - 28 Oct TAP
23 Oct - 29 Oct TAP
21 Oct - 08 Nov TAP
21 Oct - 01 Nov TAP
16 Oct - 28 Oct TAP
23 Oct - 27 Nov British Airways
23 Oct - 06 Nov British Airways
02 Oct - 02 Nov British Airways
31 Oct - 13 Nov TAP
31 Oct - 14 Nov TAP

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

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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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