AirHint found the following cheapest one-way flights from Cologne (CGN) to Berlin (BER) in July 2025 (see full year).

One-Way flights

28 Jul	Eurowings	direct
29 Jul	Eurowings	direct
23 Jul	Eurowings	direct
31 Jul	Eurowings	direct
25 Jul	Eurowings	direct
21 Jul	Eurowings	direct
30 Jul	Eurowings	direct
24 Jul	Eurowings	direct
27 Jul	Eurowings	direct
26 Jul	Condor

Also check the deals for return flights from Cologne to Berlin in July.

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 one-way flights from Cologne to Berlin in July from $78

One-Way flights