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

Return flights

11 Dec - 30 Jan	Arajet
11 Dec - 22 Jan	Air Canada	direct
15 Dec - 31 Dec	Air Canada	direct
13 Dec - 31 Dec	Air Canada	direct
12 Dec - 30 Jan	Air Canada
11 Dec - 02 Jan	Arajet
02 Dec - 15 Dec	Arajet
12 Dec - 27 Dec	Air Canada	direct
13 Dec - 19 Jan	Delta
14 Dec - 27 Dec	Air Canada
30 Dec - 09 Jan	Air Canada
30 Dec - 14 Jan	Air Canada
15 Dec - 02 Jan	WestJet
13 Dec - 27 Dec	Air Canada	direct
15 Dec - 23 Dec	Air Canada	direct
02 Dec - 14 Dec	Delta
29 Dec - 08 Jan	Air Canada
27 Dec - 09 Jan	Air Canada	direct
06 Dec - 13 Dec	Delta
02 Dec - 13 Dec	Delta

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 467€

Return flights