AirHint found the following cheapest return flights from Santiago (SCL) to Toronto (YYZ) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct	Avianca
30 Sep - 06 Oct	Avianca
28 Sep - 19 Oct	Avianca
07 Sep - 17 Sep	LATAM Airlines Group
19 Sep - 26 Sep	LATAM Airlines Group
09 Sep - 16 Sep	Delta
06 Sep - 27 Sep	Avianca
05 Sep - 17 Sep	LATAM Airlines Group
12 Sep - 25 Sep	Sky Airline
12 Sep - 21 Sep	Sky Airline
12 Sep - 20 Sep	LATAM Airlines Group
06 Sep - 30 Oct	Copa

Also check the deals for one-way flights from Santiago to Toronto in September.

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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Cheapest return flights from Santiago to Toronto in September from $539

Return flights