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

Return flights

31 Dec - 29 Jan	Copa
02 Dec - 09 Dec	United
01 Dec - 08 Dec	United
01 Dec - 07 Dec	United
03 Dec - 09 Dec	United
03 Dec - 10 Dec	United
06 Dec - 11 Dec	Delta	direct
06 Dec - 09 Dec	Delta	direct
31 Dec - 29 Jan	LATAM Airlines Group	direct
04 Dec - 11 Dec	United
05 Dec - 12 Dec	Copa
03 Dec - 09 Dec	Delta	direct
06 Dec - 15 Jan	Delta
26 Dec - 27 Jan	LATAM Airlines Group
27 Dec - 28 Jan	United
27 Dec - 29 Jan	United
24 Dec - 21 Jan	LATAM Airlines Group
28 Dec - 30 Jan	LATAM Airlines Group
16 Dec - 21 Jan	Frontier Airlines
26 Dec - 13 Jan	LATAM Airlines Group

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 421€

Return flights