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

Return flights

18 May - 25 May	Copa
13 May - 27 May	Copa
13 May - 20 May	Copa
20 May - 27 May	Copa
21 May - 28 May	Copa
18 May - 28 May	Copa
12 May - 28 May	Copa
13 May - 25 May	Copa
12 May - 25 May	Copa
25 May - 01 Jun	Copa
11 May - 31 May	Delta
20 May - 08 Jun	LATAM Airlines Group
27 May - 03 Jun	LATAM Airlines Group
20 May - 09 Jun	LATAM Airlines Group
18 May - 05 Jun	LATAM Airlines Group
26 May - 09 Jun	LATAM Airlines Group
29 May - 05 Jun	LATAM Airlines Group
28 May - 04 Jun	Copa
20 May - 12 Jun	Copa
18 May - 11 Jun	Copa

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 $500

Return flights