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	Avianca
17 May - 24 May	Avianca
06 May - 13 May	Copa
13 May - 20 May	Copa
14 May - 21 May	Copa
27 May - 03 Jun	Copa
28 May - 04 Jun	Copa
27 May - 10 Jun	Copa
27 May - 11 Jun	Copa
19 May - 26 May	LATAM Airlines Group
10 May - 17 May	Avianca
11 May - 18 May	Avianca
15 May - 22 May	Avianca
18 May - 25 May	Avianca
18 May - 09 Jun	Copa
20 May - 10 Jun	Copa
27 May - 20 Jun	Copa
26 May - 09 Jun	Copa
25 May - 01 Jun	Avianca
31 May - 07 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 375€

Return flights