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

Return flights

04 Mar - 11 Mar	Copa
10 Mar - 17 Mar	Copa
12 Mar - 19 Mar	Copa
11 Mar - 18 Mar	Copa
10 Mar - 16 Mar	Delta
09 Mar - 15 Mar	Air Canada
16 Mar - 23 Mar	LATAM Airlines Group
18 Mar - 25 Mar	LATAM Airlines Group
20 Mar - 27 Mar	LATAM Airlines Group
22 Mar - 29 Mar	LATAM Airlines Group
31 Mar - 07 Apr	LATAM Airlines Group
26 Mar - 02 Apr	Air Canada	direct
28 Mar - 04 Apr	Air Canada
30 Mar - 06 Apr	Air Canada
25 Mar - 01 Apr	Air Canada
29 Mar - 05 Apr	Air Canada
28 Mar - 02 Apr	Air Canada
27 Mar - 03 Apr	Air Canada
29 Mar - 03 Apr	Air Canada
19 Mar - 02 Apr	Delta

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 $593

Return flights