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
01 May - 08 May	Avianca
03 May - 10 May	Avianca
11 May - 18 May	Avianca
15 May - 22 May	Avianca
17 May - 24 May	Avianca
04 May - 11 May	Avianca
08 May - 15 May	Avianca
10 May - 17 May	Avianca
18 May - 25 May	Avianca
26 May - 02 Jun	Copa
28 May - 04 Jun	Copa
25 May - 01 Jun	Copa
29 May - 05 Jun	LATAM Airlines Group
31 May - 07 Jun	LATAM Airlines Group
30 May - 06 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 511€

Return flights