AirHint found the following cheapest return flights from Montreal (YUL) to Santiago (SCL) in May 2026 (see full year).

Return flights

20 May - 27 May	Copa
27 May - 03 Jun	Copa
26 May - 02 Jun	Copa
04 May - 11 May	LATAM Airlines Group
12 May - 19 May	Copa
14 May - 21 May	Copa
18 May - 25 May	Copa
05 May - 12 May	Copa
11 May - 18 May	Copa
28 May - 04 Jun	Copa
25 May - 01 Jun	Copa
10 May - 17 May	Copa
24 May - 31 May	Copa
03 May - 10 May	Copa
29 May - 05 Jun	LATAM Airlines Group
30 May - 06 Jun	LATAM Airlines Group
31 May - 07 Jun	LATAM Airlines Group

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

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 Montreal to Santiago in May from $596

Return flights