AirHint found the following cheapest return flights from Lisbon (LIS) to Sao Paulo (GRU) in December 2025 (see full year).

Return flights

31 Dec - 28 Jan	LATAM Airlines Group	direct
29 Dec - 29 Jan	Iberia
30 Dec - 29 Jan	Iberia
28 Dec - 28 Jan	Air France
30 Dec - 29 Jan	LATAM Airlines Group	direct
26 Dec - 28 Jan	KLM
31 Dec - 30 Jan	LATAM Airlines Group	direct
25 Dec - 26 Jan	Delta
24 Dec - 29 Jan	Delta
30 Dec - 30 Jan	LATAM Airlines Group	direct
24 Dec - 30 Dec	Air France
24 Dec - 31 Dec	Air France
25 Dec - 31 Dec	Air France
26 Dec - 31 Dec	KLM
23 Dec - 30 Dec	KLM
25 Dec - 30 Dec	Air France
26 Dec - 30 Dec	KLM
27 Dec - 30 Dec	KLM
23 Dec - 29 Dec	KLM
24 Dec - 28 Dec	Air France

Also check the deals for one-way flights from Lisbon to Sao Paulo in December.

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 December from 719€

Return flights