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

Return flights

22 Sep - 20 Oct	Delta
22 Sep - 01 Oct	Delta
29 Sep - 06 Oct	Air France
22 Sep - 04 Oct	Delta
21 Sep - 30 Sep	Delta
27 Sep - 18 Oct	Air Canada
28 Sep - 18 Oct	Lufthansa
25 Sep - 18 Oct	Air Canada
26 Sep - 18 Oct	Air Canada
26 Sep - 03 Oct	Virgin Atlantic
21 Sep - 28 Sep	Air France
28 Sep - 05 Oct	WestJet
19 Sep - 21 Sep	WestJet
19 Sep - 29 Sep	WestJet
20 Sep - 27 Sep	KLM
20 Sep - 27 Sep	Scandinavian Airlines	direct
19 Sep - 29 Sep	Scandinavian Airlines	direct
19 Sep - 21 Sep	Scandinavian Airlines	direct

Also check the deals for one-way flights from Toronto to Copenhagen 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 Toronto to Copenhagen in September from $571

Return flights