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

Return flights

20 Aug - 27 Aug	Copa
31 Aug - 07 Sep	Copa
26 Aug - 02 Sep	Copa
27 Aug - 03 Sep	Copa
02 Aug - 09 Aug	Avianca
03 Aug - 10 Aug	Avianca
05 Aug - 12 Aug	Avianca
07 Aug - 14 Aug	Avianca
09 Aug - 16 Aug	Avianca
10 Aug - 17 Aug	Avianca
14 Aug - 21 Aug	Avianca
23 Aug - 30 Aug	Avianca
24 Aug - 31 Aug	Avianca
30 Aug - 06 Sep	Avianca
25 Aug - 01 Sep	Copa
29 Aug - 05 Sep	Copa

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

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 August from 494€

Return flights