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

Return flights

14 Dec - 10 Jan	Finnair
13 Dec - 10 Jan	Finnair
30 Dec - 10 Jan	Finnair
12 Dec - 10 Jan	Singapore Airlines
22 Dec - 15 Jan	Thai Airways
26 Dec - 10 Jan	Finnair
22 Dec - 29 Dec	Finnair
22 Dec - 03 Jan	Thai Airways
19 Dec - 10 Jan	Finnair
22 Dec - 04 Jan	Virgin Australia
18 Dec - 06 Jan	Finnair

Also check the deals for one-way flights from Perth 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 Perth to Copenhagen in December from $1921

Return flights