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

Return flights

05 Dec - 22 Jan	LATAM Airlines Group
11 Dec - 19 Jan	Delta
24 Dec - 23 Jan	LATAM Airlines Group
09 Dec - 09 Jan	Copa
11 Dec - 16 Jan	Delta
11 Dec - 17 Jan	Delta
29 Dec - 15 Jan	Hawaiian Airlines
12 Dec - 18 Dec	Viva
24 Dec - 18 Jan	Delta
11 Dec - 29 Dec	LATAM Airlines Group
03 Dec - 31 Dec	LATAM Airlines Group
23 Dec - 12 Jan	Sun Country Airlines
20 Dec - 20 Jan	Frontier Airlines
11 Dec - 27 Dec	LATAM Airlines Group
16 Dec - 30 Dec	Spirit Airlines
22 Dec - 29 Dec	Hawaiian Airlines
12 Dec - 21 Dec	GOL Linhas Aéreas
13 Dec - 22 Dec	GOL Linhas Aéreas
12 Dec - 18 Dec	Delta	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Sao Paulo in December from 628€

Return flights