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

Return flights

10 Oct - 17 Oct	Eurowings	direct
09 Oct - 30 Oct	Eurowings	direct
07 Oct - 14 Oct	Eurowings	direct
08 Oct - 15 Oct	Eurowings	direct
09 Oct - 09 Oct	Eurowings	direct
06 Oct - 08 Oct	Eurowings	direct
15 Oct - 17 Oct	Eurowings	direct
01 Oct - 03 Oct	Eurowings	direct
10 Oct - 24 Oct	Eurowings	direct
15 Oct - 16 Oct	Eurowings	direct
31 Oct - 01 Nov	Eurowings

Also check the deals for one-way flights from Cologne to Berlin 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 Berlin in October from $113

Return flights