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

Return flights

08 Dec - 15 Dec	Eurowings	direct
19 Dec - 29 Dec	Eurowings	direct
12 Dec - 15 Dec	Eurowings	direct
15 Dec - 17 Dec	Eurowings	direct
19 Dec - 28 Dec	Lufthansa
24 Dec - 26 Dec	Lufthansa
19 Dec - 28 Dec	Eurowings	direct

Also check the deals for one-way flights from Berlin to Cologne 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 Berlin to Cologne in December from 97€

Return flights