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

Return flights

28 Aug - 11 Sep	Copa
14 Aug - 22 Aug	LATAM Airlines Group
15 Aug - 22 Aug	LATAM Airlines Group
19 Aug - 20 Sep	Delta
26 Aug - 16 Sep	Delta
23 Aug - 08 Sep	Delta
19 Aug - 13 Sep	Delta
29 Aug - 05 Sep	LATAM Airlines Group
28 Aug - 04 Sep	Copa
27 Aug - 08 Sep	Copa
15 Aug - 23 Aug	LATAM Airlines Group
30 Aug - 13 Sep	LATAM Airlines Group
21 Aug - 06 Sep	Delta
22 Aug - 29 Aug	LATAM Airlines Group
21 Aug - 28 Aug	Avianca
14 Aug - 21 Aug	LATAM Airlines Group
12 Aug - 16 Aug	LATAM Airlines Group
12 Aug - 23 Aug	LATAM Airlines Group
23 Aug - 26 Aug	Delta
19 Aug - 26 Aug	Delta

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 422€

Return flights