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

Return flights

03 Dec - 12 Dec	SWISS
31 Dec - 06 Jan	Porter Airlines (Canada) Ltd
30 Dec - 05 Jan	Porter Airlines (Canada) Ltd
02 Dec - 07 Dec	Porter Airlines (Canada) Ltd
18 Dec - 05 Jan	Porter Airlines (Canada) Ltd
25 Dec - 17 Jan	SWISS
15 Dec - 22 Dec	Porter Airlines (Canada) Ltd
24 Dec - 30 Dec	Porter Airlines (Canada) Ltd
01 Dec - 15 Dec	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Toronto to Copenhagen in December.

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 December from 685€

Return flights