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

Return flights

05 Dec - 27 Jan	Iberia
08 Dec - 30 Jan	LATAM Airlines Group
10 Dec - 30 Jan	LATAM Airlines Group
10 Dec - 30 Jan	TAP	direct
05 Dec - 27 Jan	TAP	direct
05 Dec - 02 Jan	Iberia
03 Dec - 31 Dec	TAP
08 Dec - 15 Jan	British Airways
15 Dec - 22 Dec	British Airways
05 Dec - 02 Jan	TAP	direct
12 Dec - 09 Jan	British Airways
16 Dec - 30 Jan	British Airways
03 Dec - 12 Dec	British Airways
15 Dec - 30 Dec	British Airways
03 Dec - 16 Dec	TAP	direct
01 Dec - 10 Dec	British Airways
03 Dec - 12 Dec	TAP	direct
10 Dec - 20 Dec	TAP
13 Dec - 29 Dec	Air France
12 Dec - 19 Dec	TAP	direct

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 $748

Return flights