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

Return flights

20 Oct - 22 Oct	Eurowings	direct
29 Oct - 30 Oct	Eurowings	direct
29 Oct - 31 Oct	Eurowings	direct
16 Oct - 17 Oct	Eurowings	direct
05 Oct - 06 Oct	Eurowings	direct
10 Oct - 12 Oct	Eurowings	direct
18 Oct - 26 Oct	Eurowings	direct
11 Oct - 12 Oct	Eurowings	direct
02 Oct - 05 Oct	Eurowings	direct
31 Oct - 02 Nov	Eurowings	direct

Also check the deals for one-way flights from Berlin 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 Berlin to Cologne in October from $116

Return flights