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

Return flights

03 Dec - 31 Dec	Lufthansa
10 Dec - 18 Jan	Lufthansa
10 Dec - 20 Jan	Lufthansa
10 Dec - 25 Jan	Lufthansa
03 Dec - 08 Dec	TAP
08 Dec - 18 Jan	Azul Airlines
26 Dec - 19 Jan	TAP
15 Dec - 31 Dec	Lufthansa
03 Dec - 30 Dec	Azul Airlines
03 Dec - 10 Jan	Lufthansa
08 Dec - 23 Dec	Lufthansa
03 Dec - 09 Dec	GOL Linhas Aéreas
05 Dec - 30 Dec	Azul Airlines
03 Dec - 29 Dec	Azul Airlines
03 Dec - 06 Jan	TAP
15 Dec - 20 Jan	Lufthansa
10 Dec - 10 Jan	Lufthansa
05 Dec - 13 Jan	Iberia
10 Dec - 30 Dec	Lufthansa
03 Dec - 27 Dec	Azul Airlines

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 $820

Return flights