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

Return flights

09 Dec - 28 Dec	Azul Airlines
10 Dec - 30 Dec	LATAM Airlines Group
04 Dec - 09 Dec	Azul Airlines
02 Dec - 11 Dec	Azul Airlines
03 Dec - 08 Dec	TAP
07 Dec - 31 Dec	Azul Airlines
09 Dec - 31 Dec	LATAM Airlines Group
02 Dec - 16 Jan	Azul Airlines
04 Dec - 24 Dec	Azul Airlines
02 Dec - 24 Dec	Azul Airlines
09 Dec - 26 Jan	LATAM Airlines Group
15 Dec - 31 Dec	Azul Airlines
04 Dec - 17 Jan	Iberia
04 Dec - 15 Jan	Iberia
09 Dec - 27 Jan	Azul Airlines
09 Dec - 30 Jan	LATAM Airlines Group
08 Dec - 28 Jan	Azul Airlines
10 Dec - 28 Jan	GOL Linhas Aéreas
03 Dec - 16 Jan	Azul Airlines
10 Dec - 24 Jan	GOL Linhas Aéreas

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 726€

Return flights