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

Return flights

24 Oct - 31 Oct	Eurowings
21 Oct - 31 Oct	Eurowings
25 Oct - 31 Oct	Eurowings
23 Oct - 28 Oct	Eurowings
24 Oct - 01 Nov	Eurowings
25 Oct - 08 Nov	Eurowings
22 Oct - 28 Oct	Eurowings
31 Oct - 17 Nov	Wizz Air Malta
29 Oct - 17 Nov	Wizz Air Malta
25 Oct - 01 Nov	Eurowings
24 Oct - 27 Oct	Eurowings
31 Oct - 03 Nov	Wizz Air Malta
25 Oct - 03 Nov	Eurowings
09 Oct - 22 Oct	Eurowings
09 Oct - 12 Oct	Eurowings
20 Oct - 28 Oct	Aegean Airlines
22 Oct - 04 Nov	Eurowings
09 Oct - 15 Oct	Eurowings
31 Oct - 15 Nov	Wizz Air Malta
31 Oct - 04 Nov	Wizz Air Malta

Also check the deals for one-way flights from Cologne to Thessaloniki 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 Thessaloniki in October from $143

Return flights