AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to Porto (OPO) in October 2025 (see full year).

Return flights

21 Oct - 24 Nov	TAP
29 Oct - 25 Nov	TAP
24 Oct - 11 Nov	TAP
30 Oct - 12 Nov	TAP
21 Oct - 18 Nov	TAP
20 Oct - 18 Nov	TAP
22 Oct - 19 Nov	TAP
23 Oct - 27 Nov	GOL Linhas Aéreas
20 Oct - 17 Nov	GOL Linhas Aéreas
31 Oct - 16 Nov	TAP
01 Oct - 06 Oct	LATAM Airlines Group
16 Oct - 30 Oct	Azul Airlines
07 Oct - 14 Oct	Ethiopian Airlines
17 Oct - 31 Oct	GOL Linhas Aéreas
15 Oct - 29 Oct	SWISS
06 Oct - 13 Oct	GOL Linhas Aéreas
20 Oct - 29 Oct	Lufthansa
06 Oct - 21 Oct	SWISS
06 Oct - 20 Oct	GOL Linhas Aéreas
07 Oct - 21 Oct	Ethiopian Airlines

Also check the deals for one-way flights from Rio De Janeiro to Porto in October.

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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Cheapest return flights from Rio De Janeiro to Porto in October from 644€

Return flights