Cheapest return flights from Sao Paulo to Montreal in September from $583

Best time to book flights for Sao Paulo (GRU) to Montreal (YUL) flights at AirHint

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Montreal (YUL) in September 2025 (see full year).

Return flights

05 Sep - 20 Sep Avianca
25 Sep - 14 Oct Copa
01 Sep - 30 Sep Delta
08 Sep - 15 Sep Delta
05 Sep - 05 Oct Delta
03 Sep - 23 Sep Delta
18 Sep - 30 Sep Delta
13 Sep - 22 Sep Delta
15 Sep - 24 Sep Delta
22 Sep - 11 Oct Air Canada
15 Sep - 26 Sep Delta
19 Sep - 19 Oct Delta
03 Sep - 23 Sep Azul Airlines direct

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

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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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