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

Return flights

08 May - 11 Jun	Iberia
05 May - 27 May	Iberia
13 May - 27 May	Iberia
15 May - 15 Jun	Iberia
15 May - 14 Jun	Iberia
27 May - 09 Jun	Air Europa
25 May - 12 Jun	Royal Air Maroc
21 May - 16 Jun	Royal Air Maroc
28 May - 14 Jun	Royal Air Maroc
27 May - 25 Jun	Air Europa
27 May - 14 Jun	Air Europa
10 May - 11 Jun	Air Europa
14 May - 27 May	Royal Air Maroc
14 May - 29 May	Royal Air Maroc
11 May - 19 May	Royal Air Maroc
18 May - 27 May	Royal Air Maroc
11 May - 27 May	Royal Air Maroc
04 May - 19 May	Royal Air Maroc
15 May - 18 May	Air Europa
11 May - 24 May	Royal Air Maroc

Also check the deals for one-way flights from Lisbon 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 Lisbon to Sao Paulo in May from $644

Return flights