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

Return flights

09 Sep - 16 Sep	Copa
15 Sep - 22 Sep	Copa
16 Sep - 23 Sep	Copa
17 Sep - 24 Sep	Copa
23 Sep - 30 Sep	Copa
24 Sep - 01 Oct	Copa
28 Sep - 05 Oct	Copa
29 Sep - 06 Oct	Copa
30 Sep - 07 Oct	Copa
25 Sep - 02 Oct	Copa
01 Sep - 08 Sep	Copa
02 Sep - 09 Sep	Copa
03 Sep - 10 Sep	Copa
08 Sep - 15 Sep	Copa
10 Sep - 17 Sep	Copa
27 Sep - 04 Oct	Copa
26 Sep - 03 Oct	LATAM Airlines Group

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

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 September from $508

Return flights