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

Return flights

05 May - 26 May	Air Europa
10 May - 13 May	Royal Air Maroc
14 May - 27 May	Royal Air Maroc
05 May - 21 May	Air Europa
09 May - 26 May	Air Europa
12 May - 29 May	Air Europa
01 May - 18 Jun	Air Europa
21 May - 09 Jun	Air Europa
05 May - 19 May	Air Europa
21 May - 13 Jun	Air Europa
17 May - 01 Jun	Air Europa
31 May - 11 Jun	Air Europa
31 May - 15 Jun	Air Europa
14 May - 22 May	Royal Air Maroc
09 May - 10 May	Royal Air Maroc
01 May - 31 May	Royal Air Maroc
21 May - 04 Jun	Air Europa
30 May - 02 Jun	Air Europa
21 May - 20 Jun	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