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

Return flights

23 May - 30 May	Air Europa
04 May - 18 May	Air Europa
05 May - 19 May	Air Europa
06 May - 15 May	Air Europa
07 May - 16 May	Air Europa
04 May - 15 May	Air Europa
05 May - 16 May	Air Europa
01 May - 30 May	Air Europa
08 May - 13 May	Air Europa
27 May - 17 Jun	Iberia
09 May - 09 Jun	Iberia
29 May - 01 Jun	Air Europa
30 May - 02 Jun	Air Europa
28 May - 18 Jun	TAP
20 May - 18 Jun	TAP
23 May - 23 May	TAP
09 May - 09 Jun	TAP	direct

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 616€

Return flights