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

Return flights

06 May - 13 May	Copa
20 May - 27 May	Copa
13 May - 20 May	Copa
04 May - 11 May	Avianca
08 May - 15 May	Avianca
10 May - 17 May	Avianca
18 May - 25 May	Avianca
22 May - 29 May	Avianca
24 May - 31 May	Avianca
01 May - 08 May	Avianca
27 May - 03 Jun	Copa
28 May - 04 Jun	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 512€

Return flights