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

Return flights

26 Aug - 02 Sep	Copa
12 Aug - 19 Aug	Avianca
17 Aug - 24 Aug	Avianca
19 Aug - 26 Aug	Avianca
21 Aug - 28 Aug	Avianca
01 Aug - 08 Aug	Avianca
04 Aug - 11 Aug	Avianca
06 Aug - 13 Aug	Avianca
08 Aug - 15 Aug	Avianca
11 Aug - 18 Aug	Avianca
13 Aug - 20 Aug	Avianca
25 Aug - 01 Sep	Copa
27 Aug - 03 Sep	Copa
28 Aug - 04 Sep	Avianca
29 Aug - 05 Sep	Copa

Also check the deals for one-way flights from Montreal to Lima 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 Lima in August from 455€

Return flights