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

Return flights

06 Mar - 22 Mar	Royal Air Maroc
08 Mar - 22 Mar	Royal Air Maroc
08 Mar - 27 Mar	Royal Air Maroc
19 Mar - 30 Mar	Iberia
19 Mar - 12 Apr	Iberia
19 Mar - 06 Apr	Iberia
15 Mar - 25 Mar	Iberia
16 Mar - 23 Mar	Iberia
15 Mar - 23 Mar	Iberia
04 Mar - 16 Mar	Royal Air Maroc
02 Mar - 23 Mar	Air France
17 Mar - 22 Mar	Air Europa
17 Mar - 17 Apr	Air Europa
17 Mar - 02 Apr	Air Europa
13 Mar - 01 Apr	Iberia
19 Mar - 20 Apr	Air Europa
17 Mar - 08 Apr	Air Europa
26 Mar - 11 Apr	Air Europa
31 Mar - 05 Apr	Air Europa
23 Mar - 05 Apr	Air Europa

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 420€

Return flights