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

Return flights

02 Dec - 28 Jan	Avianca
11 Dec - 30 Jan	Avianca
08 Dec - 17 Jan	Avianca
04 Dec - 09 Dec	Arajet
07 Dec - 13 Dec	Avianca
05 Dec - 10 Dec	Avianca
17 Dec - 29 Dec	Avianca
13 Dec - 19 Jan	LATAM Airlines Group
11 Dec - 09 Jan	Arajet
17 Dec - 11 Jan	Avianca
17 Dec - 16 Jan	Avianca
05 Dec - 14 Dec	Avianca
08 Dec - 29 Dec	Avianca
09 Dec - 30 Dec	LATAM Airlines Group
11 Dec - 31 Dec	Arajet
09 Dec - 15 Dec	LATAM Airlines Group
16 Dec - 11 Jan	Avianca
01 Dec - 01 Jan	GOL Linhas Aéreas
17 Dec - 30 Dec	Avianca
11 Dec - 05 Jan	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.

Book a cheap hotel in Montreal

Cheap car rent in Montreal

Cheapest return flights from Sao Paulo to Montreal in December from 596€

Return flights