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

Return flights

02 Dec - 09 Dec	Iberia
01 Dec - 01 Jan	TAP
06 Dec - 30 Jan	British Airways
05 Dec - 12 Dec	Iberia
05 Dec - 07 Dec	KLM
10 Dec - 07 Jan	Lufthansa
01 Dec - 27 Dec	Lufthansa
03 Dec - 05 Dec	TAP
10 Dec - 26 Dec	Azul Airlines
12 Dec - 09 Jan	British Airways
10 Dec - 16 Dec	LATAM Airlines Group
15 Dec - 10 Jan	SWISS
02 Dec - 12 Jan	Iberia
31 Dec - 20 Jan	British Airways
05 Dec - 25 Dec	Iberia
17 Dec - 09 Jan	Lufthansa
14 Dec - 23 Dec	Lufthansa
24 Dec - 13 Jan	TAP
28 Dec - 13 Jan	Lufthansa
22 Dec - 31 Dec	TAP

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

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 December from 699€

Return flights