Cheapest return flights from Montreal to Sao Paulo in September from $482

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 - 15 Sep Avianca
07 Sep - 29 Sep Avianca
08 Sep - 15 Sep Avianca
03 Sep - 17 Sep Avianca
24 Sep - 01 Oct Avianca
17 Sep - 01 Oct Avianca
12 Sep - 19 Sep Air Transat
22 Sep - 29 Sep Delta
01 Sep - 08 Sep Delta
03 Sep - 10 Sep Delta
05 Sep - 12 Sep LATAM Airlines Group
07 Sep - 14 Sep LATAM Airlines Group
29 Sep - 06 Oct LATAM Airlines Group
28 Sep - 05 Oct Air Transat
25 Sep - 02 Oct Copa
27 Sep - 04 Oct Copa
26 Sep - 03 Oct Copa
30 Sep - 07 Oct LATAM Airlines Group
17 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.

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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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