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

Return flights

30 Apr - 07 May	Copa
16 Apr - 30 Apr	Copa
23 Apr - 30 Apr	Copa
16 Apr - 23 Apr	Copa
22 Apr - 29 Apr	Copa
24 Apr - 29 May	Avianca
08 Apr - 15 Apr	LATAM Airlines Group
09 Apr - 16 Apr	Copa
14 Apr - 21 Apr	Copa
21 Apr - 28 Apr	Copa
28 Apr - 05 May	Copa
10 Apr - 17 Apr	Avianca
20 Apr - 27 Apr	Avianca
27 Apr - 04 May	Avianca
29 Apr - 06 May	Avianca
24 Apr - 01 May	Avianca
26 Apr - 03 May	Avianca
25 Apr - 02 May	Copa

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

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 April from $516

Return flights