AirHint found the following cheapest return flights from Sao Paulo (GRU) to Montreal (YUL) in September 2026 (see full year).
Return flights
| 01 Sep - 30 Sep | Arajet | ||
| 16 Sep - 04 Oct | Avianca | ||
| 17 Sep - 22 Sep | Air Canada | direct | |
| 13 Sep - 22 Sep | Air Canada | ||
| 24 Sep - 01 Oct | Air Canada | ||
| 19 Sep - 04 Oct | Avianca |
Also check the deals for one-way flights from Sao Paulo to Montreal in September.
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