AirHint found the following cheapest return flights from Montreal (YUL) to Managua (MGA) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct	Copa
11 Sep - 18 Sep	Copa
21 Sep - 28 Sep	Copa
17 Sep - 24 Sep	Copa
29 Sep - 06 Oct	Avianca
25 Sep - 02 Oct	Copa
03 Sep - 10 Sep	Copa
18 Sep - 25 Sep	Copa
10 Sep - 17 Sep	Copa
02 Sep - 09 Sep	Copa
16 Sep - 23 Sep	Copa
01 Sep - 08 Sep	Copa
26 Sep - 03 Oct	Avianca
04 Sep - 11 Sep	Copa
30 Sep - 07 Oct	Avianca
28 Sep - 05 Oct	Avianca
27 Sep - 04 Oct	Avianca

Also check the deals for one-way flights from Montreal to Managua 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 Managua in September from 314€

Return flights