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

Return flights

15 Dec - 07 Jan	GOL Linhas Aéreas
16 Dec - 07 Jan	GOL Linhas Aéreas
04 Dec - 11 Dec	Azul Airlines
24 Dec - 06 Jan	LATAM Airlines Group
17 Dec - 06 Jan	GOL Linhas Aéreas
24 Dec - 14 Jan	LATAM Airlines Group
19 Dec - 25 Dec	TAP
22 Dec - 30 Dec	TAP
28 Dec - 27 Jan	TAP
26 Dec - 13 Jan	GOL Linhas Aéreas
14 Dec - 10 Jan	GOL Linhas Aéreas
14 Dec - 08 Jan	GOL Linhas Aéreas
12 Dec - 10 Jan	GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Paulo to Lisbon 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 Sao Paulo to Lisbon in December from $874

Return flights