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

Return flights

26 Oct - 05 Nov	Eurowings
26 Oct - 31 Oct	Eurowings
18 Oct - 21 Oct	Ryanair
22 Oct - 29 Oct	Ryanair
18 Oct - 22 Oct	Ryanair
26 Oct - 01 Nov	Eurowings
25 Oct - 27 Oct	Ryanair
01 Oct - 14 Oct	Ryanair
18 Oct - 23 Oct	Ryanair
25 Oct - 01 Nov	Ryanair
15 Oct - 22 Oct	Ryanair
18 Oct - 19 Oct	Ryanair
26 Oct - 26 Oct	Eurowings
18 Oct - 01 Nov	Ryanair
26 Oct - 02 Nov	Eurowings
09 Oct - 03 Nov	Ryanair
27 Oct - 01 Nov	Ryanair
25 Oct - 02 Nov	Ryanair
11 Oct - 01 Nov	Ryanair
12 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Cologne to Athens 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 Cologne to Athens in October from $123

Return flights