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

Return flights

29 Sep - 06 Oct	Avianca
28 Sep - 05 Oct	Avianca
26 Sep - 03 Oct	Avianca
24 Sep - 01 Oct	Copa	direct
25 Sep - 02 Oct	Copa	direct
26 Sep - 03 Oct	Copa	direct
27 Sep - 04 Oct	Copa	direct
28 Sep - 05 Oct	Copa	direct
30 Sep - 07 Oct	Copa	direct
23 Sep - 01 Oct	Copa	direct
22 Sep - 29 Sep	Avianca
19 Sep - 26 Sep	Avianca
21 Sep - 28 Sep	Avianca
16 Sep - 23 Sep	Porter Airlines (Canada) Ltd
17 Sep - 24 Sep	Copa	direct
18 Sep - 25 Sep	Copa	direct
22 Sep - 29 Sep	Copa	direct
19 Sep - 26 Sep	Copa	direct
21 Sep - 28 Sep	Copa	direct
08 Sep - 15 Sep	Avianca

Also check the deals for one-way flights from Montreal to Panama City 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 Panama City in September from $450

Return flights