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

Return flights

26 May - 09 Jun	Iberia
12 May - 09 Jun	Iberia
10 May - 10 Jun	Iberia
27 May - 10 Jun	Iberia
28 May - 11 Jun	Iberia
25 May - 08 Jun	Iberia
02 May - 22 May	Royal Air Maroc
22 May - 12 Jun	Royal Air Maroc
07 May - 19 May	Air Europa
09 May - 02 Jun	Air Europa
08 May - 23 May	Air Europa
16 May - 01 Jun	Air Europa
16 May - 02 Jun	Air Europa
13 May - 26 May	Air Europa
17 May - 20 May	Royal Air Maroc
05 May - 19 May	Air Europa
01 May - 24 May	Royal Air Maroc
09 May - 29 May	Air Europa
07 May - 27 May	Air Europa
07 May - 22 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