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

Return flights

01 May - 11 May	Air Europa
22 May - 08 Jun	Air Europa
22 May - 01 Jun	Air Europa
22 May - 25 May	Air Europa
08 May - 14 May	Air Europa
20 May - 24 May	Azul Airlines
28 May - 15 Jun	GOL Linhas Aéreas
08 May - 22 May	LATAM Airlines Group
06 May - 24 May	LATAM Airlines Group
19 May - 24 May	GOL Linhas Aéreas
29 May - 15 Jun	GOL Linhas Aéreas
19 May - 01 Jun	GOL Linhas Aéreas
21 May - 24 May	GOL Linhas Aéreas
14 May - 27 May	Azul Airlines
23 May - 12 Jun	Azul Airlines
02 May - 11 May	Azul Airlines
23 May - 02 Jun	TAP
23 May - 05 Jun	Azul Airlines
25 May - 07 Jun	KLM
01 May - 28 Jun	KLM

Also check the deals for one-way flights from Sao Paulo to Porto 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 Sao Paulo to Porto in May from $931

Return flights