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

Return flights

04 Dec - 31 Jan	United
15 Dec - 14 Jan	Avianca
27 Dec - 18 Jan	LATAM Airlines Group
03 Dec - 08 Jan	Copa
10 Dec - 07 Jan	Copa
02 Dec - 07 Jan	LATAM Airlines Group
24 Dec - 28 Dec	United
10 Dec - 01 Jan	Copa
16 Dec - 31 Dec	Copa
17 Dec - 16 Jan	Delta
20 Dec - 18 Jan	Frontier Airlines
25 Dec - 08 Jan	Delta
16 Dec - 30 Dec	Copa

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 527€

Return flights