Cheapest return flights from Montreal to Sao Paulo in September from $539

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

Return flights

09 Sep - 16 Sep Copa
30 Sep - 07 Oct Copa
02 Sep - 09 Sep Copa
08 Sep - 15 Sep Copa
10 Sep - 17 Sep Copa
11 Sep - 18 Sep Copa
14 Sep - 21 Sep Copa
06 Sep - 13 Sep Copa
04 Sep - 11 Sep Copa
02 Sep - 09 Sep Air Canada direct
09 Sep - 16 Sep Air Canada direct
30 Sep - 07 Oct Air Canada direct

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