Cheapest return flights from Montreal to Santiago in August from $511

AirHint found the following cheapest return flights from Montreal (YUL) to Santiago (SCL) in August 2025 (see full year).

Return flights

18 Aug - 25 Aug Avianca
07 Aug - 17 Aug LATAM Airlines Group
20 Aug - 27 Aug Avianca
27 Aug - 03 Sep Avianca
05 Aug - 18 Aug Arajet
06 Aug - 13 Aug LATAM Airlines Group
31 Aug - 07 Sep LATAM Airlines Group
25 Aug - 01 Sep LATAM Airlines Group
28 Aug - 04 Sep LATAM Airlines Group
14 Aug - 31 Aug LATAM Airlines Group
14 Aug - 01 Sep LATAM Airlines Group
14 Aug - 21 Aug Avianca
21 Aug - 28 Aug Avianca
22 Aug - 29 Aug Avianca
19 Aug - 24 Aug LATAM Airlines Group
30 Aug - 06 Sep LATAM Airlines Group
26 Aug - 09 Sep Copa
26 Aug - 02 Sep LATAM Airlines Group
29 Aug - 05 Sep LATAM Airlines Group

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

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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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