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

Return flights

03 Dec - 10 Dec	United
06 Dec - 09 Dec	LATAM Airlines Group
03 Dec - 18 Dec	Copa
02 Dec - 17 Dec	United
26 Dec - 23 Jan	Copa
26 Dec - 15 Jan	Copa
15 Dec - 08 Jan	Copa
26 Dec - 13 Jan	Copa
22 Dec - 27 Jan	Alaska Airlines
29 Dec - 09 Jan	Copa
12 Dec - 01 Jan	Copa
12 Dec - 09 Jan	Copa
27 Dec - 01 Jan	Copa
22 Dec - 12 Jan	Sun Country Airlines
25 Dec - 31 Dec	Copa
14 Dec - 27 Dec	Aeromexico
22 Dec - 29 Dec	United
22 Dec - 28 Dec	Copa
19 Dec - 26 Dec	LATAM Airlines Group
19 Dec - 26 Dec	LATAM Airlines Group	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 519€

Return flights