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

Return flights

18 Sep - 27 Oct	WestJet
17 Sep - 20 Oct	LATAM Airlines Group
18 Sep - 25 Sep	WestJet
18 Sep - 20 Oct	LATAM Airlines Group
22 Sep - 20 Oct	WestJet
23 Sep - 21 Oct	LATAM Airlines Group
23 Sep - 20 Oct	LATAM Airlines Group
23 Sep - 23 Oct	LATAM Airlines Group
18 Sep - 18 Oct	WestJet
19 Sep - 20 Oct	Delta

Also check the deals for one-way flights from Calgary to Santiago 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 Calgary to Santiago in September from 583€

Return flights