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

Return flights

01 Oct - 08 Oct	Ryanair
22 Oct - 25 Oct	Ryanair
22 Oct - 24 Oct	Ryanair
08 Oct - 13 Oct	Ryanair
28 Oct - 12 Nov	Air Serbia
15 Oct - 22 Oct	Air Serbia
15 Oct - 20 Oct	Air Serbia
13 Oct - 17 Oct	Air Serbia
13 Oct - 18 Oct	Air Serbia
16 Oct - 21 Oct	Air Serbia
21 Oct - 25 Oct	Ryanair
28 Oct - 01 Nov	Air Serbia
30 Oct - 02 Nov	Air Serbia
29 Oct - 02 Nov	Air Serbia
27 Oct - 01 Nov	Air Serbia
27 Oct - 02 Nov	Air Serbia
17 Oct - 18 Nov	SWISS
31 Oct - 05 Nov	Air Serbia
25 Oct - 10 Nov	Norwegian Air Sweden AOC
22 Oct - 10 Nov	Norwegian Air Sweden AOC

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 $169

Return flights