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

Return flights

05 Dec - 08 Dec	Wizz Air Malta
05 Dec - 07 Dec	Wizz Air Malta
21 Dec - 15 Jan	Ryanair
30 Dec - 12 Jan	Eurowings
21 Dec - 03 Jan	Ryanair
22 Dec - 31 Dec	Ryanair
20 Dec - 27 Dec	Ryanair
19 Dec - 31 Dec	Eurowings
22 Dec - 03 Jan	Ryanair
22 Dec - 26 Dec	Ryanair
20 Dec - 23 Dec	Ryanair
13 Dec - 16 Dec	Eurowings
20 Dec - 31 Dec	Ryanair
19 Dec - 03 Jan	Eurowings
22 Dec - 06 Jan	Ryanair
18 Dec - 28 Dec	Austrian Airlines
20 Dec - 03 Jan	Ryanair
22 Dec - 05 Jan	Ryanair
27 Dec - 03 Jan	Eurowings
21 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Cologne to Thessaloniki in December.

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 December from 131€

Return flights