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

Return flights

11 Dec - 31 Dec	Arajet
11 Dec - 12 Jan	Arajet
04 Dec - 09 Dec	Arajet
11 Dec - 15 Jan	Arajet
13 Dec - 19 Jan	LATAM Airlines Group
11 Dec - 30 Jan	Arajet
11 Dec - 06 Jan	Delta
16 Dec - 29 Dec	LATAM Airlines Group
13 Dec - 12 Jan	Delta
02 Dec - 15 Dec	LATAM Airlines Group
24 Dec - 31 Dec	Copa
01 Dec - 05 Dec	Avianca
11 Dec - 09 Jan	Arajet
11 Dec - 05 Jan	Arajet
17 Dec - 17 Jan	LATAM Airlines Group
17 Dec - 15 Jan	Arajet
21 Dec - 31 Dec	Azul Airlines
02 Dec - 06 Dec	Copa
01 Dec - 16 Dec	Avianca
01 Dec - 14 Dec	Avianca

Also check the deals for one-way flights from Sao Paulo to Montreal 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 Montreal in December from 468€

Return flights