AirHint found the following cheapest return flights from Duesseldorf (DUS) to Berlin (BER) in September 2025 (see full year).

Return flights

26 Sep - 03 Oct	Eurowings	direct
08 Sep - 12 Sep	Eurowings	direct
16 Sep - 23 Sep	Eurowings	direct
15 Sep - 17 Sep	Eurowings	direct
05 Sep - 07 Sep	Eurowings	direct
22 Sep - 25 Sep	Eurowings	direct
11 Sep - 14 Sep	Eurowings	direct
28 Sep - 30 Sep	Eurowings
18 Sep - 21 Sep	Eurowings	direct
26 Sep - 28 Sep	Eurowings	direct
07 Sep - 09 Sep	Eurowings	direct
30 Sep - 02 Oct	Ryanair

Also check the deals for one-way flights from Duesseldorf to Berlin in September.

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 Duesseldorf to Berlin in September from 127€

Return flights