AirHint found the following cheapest return flights from Montreal (YUL) to Sao Paulo (GRU) in March 2026 (see full year).

Return flights

10 Mar - 17 Mar	Copa
12 Mar - 19 Mar	Copa
04 Mar - 18 Mar	Copa
20 Mar - 30 Mar	Delta
03 Mar - 10 Mar	LATAM Airlines Group
11 Mar - 18 Mar	LATAM Airlines Group
17 Mar - 24 Mar	LATAM Airlines Group
04 Mar - 11 Mar	LATAM Airlines Group
18 Mar - 25 Mar	LATAM Airlines Group
20 Mar - 27 Mar	LATAM Airlines Group
31 Mar - 07 Apr	LATAM Airlines Group
19 Mar - 01 Apr	Delta
30 Mar - 06 Apr	LATAM Airlines Group
26 Mar - 02 Apr	United
26 Mar - 02 Apr	Air Canada	direct
29 Mar - 05 Apr	Air Canada

Also check the deals for one-way flights from Montreal to Sao Paulo in March.

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 Montreal to Sao Paulo in March from $591

Return flights