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

Return flights

11 Dec - 23 Jan	Arajet
04 Dec - 27 Dec	Air Canada
10 Dec - 15 Jan	Air Canada
12 Dec - 14 Jan	Arajet
04 Dec - 09 Dec	Avianca
05 Dec - 11 Dec	Arajet
10 Dec - 23 Jan	GOL Linhas Aéreas
04 Dec - 25 Jan	Avianca
16 Dec - 21 Jan	LATAM Airlines Group
05 Dec - 30 Dec	Arajet
01 Dec - 07 Dec	Air Canada
16 Dec - 28 Jan	LATAM Airlines Group
15 Dec - 28 Jan	LATAM Airlines Group
12 Dec - 30 Dec	Arajet
02 Dec - 09 Dec	Air Canada
08 Dec - 11 Dec	Delta
11 Dec - 29 Dec	GOL Linhas Aéreas
14 Dec - 14 Jan	LATAM Airlines Group
11 Dec - 10 Jan	Arajet
15 Dec - 30 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to Toronto 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 Toronto in December from $532

Return flights