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

Return flights

18 Sep - 25 Sep	Eurowings	direct
15 Sep - 18 Sep	Eurowings	direct
04 Sep - 08 Sep	Eurowings	direct
14 Sep - 17 Sep	Eurowings	direct
01 Sep - 04 Sep	Eurowings	direct
05 Sep - 08 Sep	Eurowings	direct
25 Sep - 28 Sep	Eurowings	direct
24 Sep - 29 Sep	Eurowings	direct
18 Sep - 21 Sep	Eurowings	direct
07 Sep - 08 Sep	Eurowings	direct
28 Sep - 02 Oct	Eurowings	direct

Also check the deals for one-way flights from Graz 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 Graz to Berlin in September from 109€

Return flights