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

Return flights

29 Sep - 28 Oct	VietJet Air
22 Sep - 16 Oct	VietJet Air
22 Sep - 29 Sep	VietJet Air
22 Sep - 30 Sep	VietJet Air
28 Sep - 20 Oct	Turkish Airlines
30 Sep - 08 Oct	AirAsia X
20 Sep - 27 Sep	VietJet Air
21 Sep - 28 Sep	Qatar Airways
19 Sep - 23 Sep	AirAsia X
26 Sep - 11 Oct	VietJet Air
25 Sep - 11 Oct	AirAsia X
28 Sep - 15 Oct	Turkish Airlines
23 Sep - 30 Sep	Condor
23 Sep - 03 Oct	Qatar Airways
25 Sep - 01 Oct	Virgin Australia
26 Sep - 07 Oct	Qatar Airways

Also check the deals for one-way flights from Sydney 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 Sydney to Berlin in September from $1193

Return flights