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

Return flights

10 Dec - 21 Jan	Arajet
03 Dec - 10 Dec	Arajet
02 Dec - 18 Jan	Air Canada
12 Dec - 13 Jan	Air Canada
11 Dec - 19 Jan	Air Canada
05 Dec - 21 Jan	Air Canada
03 Dec - 08 Dec	Arajet
12 Dec - 14 Jan	Air Canada
05 Dec - 10 Dec	Copa
11 Dec - 31 Dec	Arajet
05 Dec - 09 Dec	Arajet
05 Dec - 08 Dec	Arajet
03 Dec - 15 Dec	Arajet
05 Dec - 13 Dec	Arajet
10 Dec - 15 Dec	Arajet
03 Dec - 13 Dec	Arajet
10 Dec - 07 Jan	Arajet
24 Dec - 12 Jan	LATAM Airlines Group
10 Dec - 10 Jan	Arajet
08 Dec - 08 Jan	Arajet

Also check the deals for one-way flights from Sao Paulo to Newark 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 Newark in December from $534

Return flights