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

Return flights

12 May - 22 May	Arajet
22 May - 29 May	LATAM Airlines Group
23 May - 29 May	Azul Airlines
20 May - 27 May	Copa
06 May - 03 Jun	Copa
16 May - 26 May	United
20 May - 27 May	Air Canada	direct
16 May - 26 May	Air Canada	direct
28 May - 14 Jun	Arajet
23 May - 30 May	Azul Airlines
30 May - 06 Jun	GOL Linhas Aéreas
28 May - 13 Jun	Arajet
06 May - 03 Jun	Air Canada	direct
21 May - 23 Jun	Arajet
15 May - 04 Jun	Delta
30 May - 07 Jun	Delta

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

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 May from $670

Return flights