AirHint found the following cheapest return flights from Brisbane (BNE) to Helsinki (HEL) in September 2025 (see full year).

Return flights

12 Sep - 19 Sep	Finnair
14 Sep - 22 Sep	Qatar Airways
12 Sep - 26 Sep	Finnair
10 Sep - 24 Sep	Qatar Airways
10 Sep - 25 Sep	Qatar Airways
09 Sep - 30 Sep	Finnair
12 Sep - 28 Sep	Finnair
14 Sep - 28 Sep	Finnair
16 Sep - 30 Sep	Finnair
11 Sep - 25 Sep	Qatar Airways
21 Sep - 03 Oct	Finnair
19 Sep - 03 Oct	Finnair
20 Sep - 03 Oct	Finnair
22 Sep - 07 Oct	Qantas

Also check the deals for one-way flights from Brisbane to Helsinki 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 Brisbane to Helsinki in September from 1563€

Return flights