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

Return flights

26 Dec - 07 Jan	Wizz Air
26 Dec - 05 Jan	Wizz Air
08 Dec - 15 Dec	Wizz Air
10 Dec - 17 Dec	Wizz Air
10 Dec - 14 Dec	Wizz Air
07 Dec - 14 Dec	Wizz Air
03 Dec - 10 Dec	Wizz Air
11 Dec - 15 Dec	easyJet
08 Dec - 11 Dec	easyJet
02 Dec - 09 Dec	easyJet
01 Dec - 17 Dec	Wizz Air
11 Dec - 14 Dec	easyJet
27 Dec - 30 Jan	Air Serbia
19 Dec - 02 Jan	Wizz Air
22 Dec - 09 Jan	Wizz Air
21 Dec - 02 Jan	Wizz Air
22 Dec - 04 Jan	Air Serbia
19 Dec - 14 Jan	Air Serbia
26 Dec - 06 Jan	Air Serbia
26 Dec - 04 Jan	Air Serbia

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 $124

Return flights