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

Return flights

08 Mar - 19 Mar	Iberia
07 Mar - 16 Mar	Iberia
05 Mar - 15 Mar	Iberia
01 Mar - 10 Mar	Iberia
01 Mar - 11 Mar	Iberia
01 Mar - 12 Mar	Iberia
01 Mar - 13 Mar	Iberia
05 Mar - 17 Mar	Iberia
08 Mar - 10 Apr	Iberia
08 Mar - 16 Apr	Iberia
18 Mar - 02 Apr	Iberia
19 Mar - 03 Apr	Air Europa
19 Mar - 07 Apr	Air Europa
01 Mar - 15 Mar	Iberia
05 Mar - 13 Mar	Iberia
19 Mar - 08 Apr	British Airways
19 Mar - 02 Apr	British Airways
19 Mar - 18 Apr	British Airways
20 Mar - 09 Apr	British Airways
20 Mar - 02 Apr	British Airways

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

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 March from 561€

Return flights