Cheapest return flights from Montreal to Sao Paulo in September from $572

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

Return flights

30 Sep - 07 Oct Copa
15 Sep - 24 Sep Copa
16 Sep - 30 Sep Copa
16 Sep - 23 Sep Copa
22 Sep - 29 Sep Copa
17 Sep - 24 Sep Copa
24 Sep - 01 Oct Copa
28 Sep - 05 Oct Copa
29 Sep - 06 Oct Copa
20 Sep - 02 Oct Copa
15 Sep - 22 Sep Copa
21 Sep - 28 Sep Copa
12 Sep - 21 Sep Delta
01 Sep - 14 Sep Delta
15 Sep - 25 Sep Delta
25 Sep - 02 Oct Copa
27 Sep - 04 Oct Copa
26 Sep - 03 Oct Copa
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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