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

Return flights

20 Apr - 30 Apr	Arajet
08 Apr - 15 Apr	Copa
22 Apr - 29 Apr	Copa
29 Apr - 06 May	Copa
07 Apr - 14 Apr	Copa
19 Apr - 29 Apr	Copa
28 Apr - 05 May	LATAM Airlines Group
14 Apr - 21 Apr	LATAM Airlines Group
08 Apr - 15 Apr	Air Canada	direct
01 Apr - 08 Apr	Air Canada	direct
15 Apr - 22 Apr	Air Canada	direct
22 Apr - 29 Apr	Air Canada	direct
29 Apr - 06 May	Air Canada	direct
26 Apr - 03 May	LATAM Airlines Group
30 Apr - 07 May	LATAM Airlines Group
27 Apr - 04 May	LATAM Airlines Group
24 Apr - 01 May	Delta
25 Apr - 02 May	Air Canada

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

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 April from $494

Return flights