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

Return flights

27 May - 03 Jun	LATAM Airlines Group
04 May - 01 Jun	LATAM Airlines Group
23 May - 03 Jun	GOL Linhas Aéreas
21 May - 28 May	Arajet
06 May - 20 May	LATAM Airlines Group
18 May - 29 May	GOL Linhas Aéreas
05 May - 09 May	Delta
11 May - 18 May	Delta
30 May - 06 Jun	Delta
04 May - 09 Jun	Delta
25 May - 06 Jun	Delta
28 May - 09 Jun	Delta
27 May - 05 Jun	Delta
28 May - 06 Jun	Delta
05 May - 19 May	Delta
27 May - 13 Jun	Delta
20 May - 27 May	Copa
18 May - 25 May	Copa
06 May - 10 May	Delta
06 May - 10 May	Air Canada	direct

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 532€

Return flights