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

Return flights

01 Dec - 03 Dec	Wizz Air
01 Dec - 10 Dec	Wizz Air
03 Dec - 10 Dec	Wizz Air
04 Dec - 10 Dec	Air Serbia
06 Dec - 10 Dec	Air Serbia
05 Dec - 10 Dec	Wizz Air
08 Dec - 11 Dec	Wizz Air
04 Dec - 07 Dec	Air Serbia
06 Dec - 09 Dec	Air Serbia
03 Dec - 06 Dec	Air Serbia
18 Dec - 25 Jan	Air Serbia
23 Dec - 08 Jan	Pegasus Airlines
21 Dec - 04 Jan	Wizz Air
24 Dec - 07 Jan	Wizz Air Malta
21 Dec - 02 Jan	Wizz Air
31 Dec - 10 Jan	Wizz Air Malta
29 Dec - 07 Jan	Air Serbia
22 Dec - 02 Jan	Wizz Air
20 Dec - 08 Jan	Vueling Airlines
27 Dec - 01 Jan	SWISS

Also check the deals for one-way flights from Athens 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 Athens to Copenhagen in December from 117€

Return flights