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

Return flights

01 Oct - 08 Oct	Copa
02 Oct - 10 Oct	Copa
01 Oct - 10 Oct	Copa
01 Oct - 15 Oct	Copa
01 Oct - 09 Oct	Copa
02 Oct - 09 Oct	Copa
09 Oct - 16 Oct	Copa
01 Oct - 07 Oct	Copa
27 Oct - 03 Nov	Avianca
13 Oct - 27 Oct	Avianca
06 Oct - 13 Oct	Copa
29 Oct - 05 Nov	Avianca
26 Oct - 03 Nov	Avianca
24 Oct - 05 Nov	Avianca
30 Oct - 06 Nov	Air Canada
28 Oct - 04 Nov	Air Canada
23 Oct - 06 Nov	Air Canada
20 Oct - 10 Nov	Delta
28 Oct - 05 Nov	Delta
29 Oct - 06 Nov	Delta

Also check the deals for one-way flights from Montreal to Lima in October.

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 October from $461

Return flights