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

Return flights

06 Mar - 27 Mar	Royal Air Maroc
06 Mar - 22 Mar	Royal Air Maroc
04 Mar - 27 Mar	Royal Air Maroc
13 Mar - 27 Mar	Royal Air Maroc
13 Mar - 20 Mar	Royal Air Maroc
13 Mar - 22 Mar	Royal Air Maroc
01 Mar - 07 Mar	Royal Air Maroc
08 Mar - 19 Mar	Royal Air Maroc
19 Mar - 08 Apr	LATAM Airlines Group
03 Mar - 19 Mar	Iberia
10 Mar - 24 Mar	Iberia
29 Mar - 05 Apr	Iberia
31 Mar - 07 Apr	Iberia
30 Mar - 06 Apr	Iberia
29 Mar - 13 Apr	Iberia
24 Mar - 14 Apr	Iberia
23 Mar - 13 Apr	Iberia
26 Mar - 13 Apr	Air Europa
27 Mar - 06 Apr	Air Europa
20 Mar - 02 Apr	GOL Linhas Aéreas

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 483€

Return flights