AirHint found the following cheapest return flights from Sao Paulo (GRU) to Porto (OPO) in January 2026 (see full year).

Return flights

29 Jan - 26 Feb	British Airways
22 Jan - 05 Feb	Iberia
30 Jan - 27 Feb	Iberia
31 Jan - 28 Feb	Iberia
24 Jan - 31 Jan	Iberia
23 Jan - 08 Feb	Iberia
24 Jan - 09 Feb	Iberia
24 Jan - 09 Feb	TAP	direct
20 Jan - 03 Feb	Iberia
18 Jan - 02 Feb	Iberia
20 Jan - 07 Feb	Iberia
20 Jan - 31 Jan	Iberia
20 Jan - 26 Jan	TAP
14 Jan - 31 Jan	Iberia
24 Jan - 31 Jan	TAP	direct
13 Jan - 29 Jan	British Airways
20 Jan - 31 Jan	TAP	direct
11 Jan - 23 Jan	Iberia
12 Jan - 24 Jan	Iberia
12 Jan - 31 Jan	Iberia

Also check the deals for one-way flights from Sao Paulo to Porto in January.

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 Sao Paulo to Porto in January from $708

Return flights