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

Return flights

21 Oct - 25 Oct	Ryanair
15 Oct - 25 Oct	Ryanair
14 Oct - 22 Oct	Ryanair
15 Oct - 21 Oct	Ryanair
15 Oct - 26 Oct	Ryanair
20 Oct - 25 Oct	Ryanair
16 Oct - 21 Oct	Ryanair
08 Oct - 22 Oct	Wizz Air Malta
08 Oct - 25 Oct	Wizz Air Malta
21 Oct - 29 Oct	Ryanair
09 Oct - 04 Nov	Ryanair
29 Oct - 04 Nov	Ryanair
30 Oct - 04 Nov	Ryanair
28 Oct - 02 Nov	Wizz Air Malta
27 Oct - 01 Nov	Ryanair
18 Oct - 02 Nov	Wizz Air UK
25 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Athens to Cologne 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 Cologne in October from $124

Return flights