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

Return flights

29 May - 14 Jun	Air Europa
31 May - 15 Jun	Air Europa
11 May - 01 Jun	Air Europa
15 May - 28 May	Air Europa
03 May - 04 Jun	Air Europa
18 May - 02 Jun	KLM
03 May - 17 May	Air Europa
22 May - 24 May	Air Europa
10 May - 20 May	GOL Linhas Aéreas
26 May - 16 Jun	KLM
07 May - 14 May	KLM
16 May - 24 May	LATAM Airlines Group
21 May - 03 Jun	Azul Airlines
26 May - 12 Jun	Azul Airlines
28 May - 23 Jun	KLM
05 May - 18 May	KLM
02 May - 20 May	Azul Airlines
09 May - 16 May	TAP
26 May - 22 Jun	KLM
12 May - 23 May	TAP

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 760€

Return flights