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

Return flights

15 Oct - 20 Oct	Ryanair
11 Oct - 18 Oct	Wizz Air
08 Oct - 13 Oct	Ryanair
11 Oct - 16 Oct	Wizz Air
29 Oct - 02 Nov	Air Serbia
03 Oct - 08 Oct	Ryanair
11 Oct - 15 Oct	Wizz Air
15 Oct - 22 Oct	Air Serbia
13 Oct - 18 Oct	Air Serbia
10 Oct - 18 Oct	Air Serbia
10 Oct - 15 Oct	Wizz Air
27 Oct - 03 Nov	Air Serbia
29 Oct - 03 Nov	Air Serbia
30 Oct - 04 Nov	Air Serbia
24 Oct - 02 Nov	Air Serbia
27 Oct - 02 Nov	Air Serbia
28 Oct - 02 Nov	Air Serbia
31 Oct - 09 Nov	Ryanair
13 Oct - 02 Nov	Norwegian Air Sweden AOC
31 Oct - 04 Nov	Turkish Airlines

Also check the deals for one-way flights from Athens to Copenhagen in October.

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 October from 145€

Return flights