Cheapest return flights from Montreal to Sao Paulo in September from 687€

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

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

Return flights

01 Sep - 30 Sep Copa
02 Sep - 01 Oct Copa
02 Sep - 09 Sep Copa
05 Sep - 12 Sep Copa
08 Sep - 15 Sep Copa
09 Sep - 16 Sep Copa
12 Sep - 19 Sep Copa
15 Sep - 22 Sep Copa
17 Sep - 24 Sep Copa
18 Sep - 25 Sep Copa
19 Sep - 26 Sep Copa
29 Sep - 06 Oct Copa
02 Sep - 01 Oct Air Canada direct
24 Sep - 01 Oct Air Canada direct

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

Skyscanner

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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