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

Return flights

01 Dec - 07 Dec	Air Canada
03 Dec - 10 Dec	United
03 Dec - 11 Dec	Delta
04 Dec - 13 Dec	Delta
05 Dec - 14 Dec	Delta
07 Dec - 14 Dec	Delta
02 Dec - 09 Dec	Delta
07 Dec - 18 Dec	Spirit Airlines
01 Dec - 07 Dec	United	direct
31 Dec - 14 Jan	Spirit Airlines
14 Dec - 31 Dec	Spirit Airlines
15 Dec - 21 Jan	Spirit Airlines
30 Dec - 13 Jan	Spirit Airlines
09 Dec - 06 Jan	Spirit Airlines
20 Dec - 02 Jan	Allegiant Air
15 Dec - 05 Jan	Spirit Airlines
17 Dec - 07 Jan	Spirit Airlines
15 Dec - 11 Jan	Spirit Airlines
14 Dec - 06 Jan	Spirit Airlines
18 Dec - 10 Jan	Spirit Airlines

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from Newark to Sao Paulo in December from 476€

Return flights