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

Return flights

01 Mar - 15 Mar	Royal Air Maroc
08 Mar - 19 Mar	Royal Air Maroc
13 Mar - 20 Mar	Royal Air Maroc
06 Mar - 15 Mar	Royal Air Maroc
04 Mar - 15 Mar	Royal Air Maroc
06 Mar - 13 Mar	Royal Air Maroc
01 Mar - 19 Mar	Royal Air Maroc
01 Mar - 30 Apr	Royal Air Maroc
01 Mar - 14 Mar	Royal Air Maroc
08 Mar - 22 Mar	Royal Air Maroc
17 Mar - 27 Mar	Royal Air Maroc
16 Mar - 01 Apr	LATAM Airlines Group
05 Mar - 08 Apr	Iberia
19 Mar - 27 Apr	Iberia
28 Mar - 11 Apr	Iberia
10 Mar - 14 Apr	Iberia
19 Mar - 29 Apr	Iberia
25 Mar - 05 Apr	Iberia
29 Mar - 23 Apr	Iberia
16 Mar - 12 Apr	Iberia

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 $567

Return flights