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

Return flights

12 May - 19 May	Iberia
05 May - 18 May	Iberia
06 May - 19 May	Iberia
15 May - 31 May	Iberia
05 May - 04 Jun	Air Europa
30 May - 23 Jun	Iberia
09 May - 16 May	Iberia
21 May - 13 Jun	Iberia
29 May - 22 Jun	Iberia
29 May - 24 Jun	Air Europa
30 May - 25 Jun	Air Europa
20 May - 12 Jun	LATAM Airlines Group
08 May - 13 May	TAP
16 May - 30 May	TAP
10 May - 16 May	Air Europa
11 May - 17 May	Air Europa

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

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 Porto to Sao Paulo in May from 532€

Return flights