Cheapest return flights from Montreal to Santiago in September from $590

Best time to book flights for Montreal (YUL) to Santiago (SCL) flights at AirHint

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

Return flights

09 Sep - 16 Sep Copa
10 Sep - 17 Sep Copa
17 Sep - 24 Sep Copa
29 Sep - 06 Oct Copa
04 Sep - 11 Sep Copa
08 Sep - 15 Sep Copa
11 Sep - 18 Sep Copa
15 Sep - 22 Sep Copa
18 Sep - 25 Sep Copa
21 Sep - 28 Sep Copa
25 Sep - 02 Oct Copa
27 Sep - 04 Oct Copa
26 Sep - 03 Oct Copa
19 Sep - 26 Sep Copa

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

Skyscanner

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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