AirHint found the following cheapest return flights from Copenhagen (CPH) to Toronto (YYZ) in September 2025 (see full year).

Return flights

18 Sep - 22 Sep	Icelandair
28 Sep - 05 Oct	Icelandair
25 Sep - 11 Oct	Icelandair
22 Sep - 20 Oct	Icelandair
22 Sep - 29 Sep	Icelandair
12 Sep - 16 Sep	Icelandair
08 Sep - 15 Sep	Icelandair
12 Sep - 14 Sep	Icelandair
10 Sep - 17 Sep	Icelandair
11 Sep - 24 Sep	Icelandair
09 Sep - 23 Sep	Icelandair
26 Sep - 29 Sep	Air Canada	direct
12 Sep - 26 Sep	Air Canada
25 Sep - 11 Oct	Lufthansa	direct
30 Sep - 08 Oct	Icelandair
26 Sep - 12 Oct	Air Canada
26 Sep - 11 Oct	Icelandair
26 Sep - 12 Oct	Scandinavian Airlines	direct
03 Sep - 29 Oct	Air Canada
22 Sep - 20 Oct	Scandinavian Airlines	direct

Also check the deals for one-way flights from Copenhagen to Toronto 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 Copenhagen to Toronto in September from $459

Return flights