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

Return flights

23 Sep - 01 Oct	Delta
08 Sep - 17 Sep	Delta
23 Sep - 30 Sep	Delta
25 Sep - 02 Oct	Delta
03 Sep - 10 Sep	Avianca
07 Sep - 14 Sep	Avianca
08 Sep - 15 Sep	Avianca
10 Sep - 17 Sep	Avianca
14 Sep - 21 Sep	Avianca
17 Sep - 24 Sep	Avianca
19 Sep - 26 Sep	Avianca
21 Sep - 28 Sep	Avianca
24 Sep - 01 Oct	Avianca
26 Sep - 03 Oct	Avianca
29 Sep - 06 Oct	Avianca
24 Sep - 01 Oct	Copa	direct
29 Sep - 06 Oct	Copa	direct
25 Sep - 02 Oct	Copa	direct
23 Sep - 01 Oct	Copa	direct
26 Sep - 03 Oct	Copa	direct

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 441€

Return flights