Cheapest return flights from Sydney to Helsinki in September from $1331

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

Return flights

08 Sep - 22 Sep Etihad Airways
01 Sep - 10 Sep Qantas
06 Sep - 26 Sep Finnair
01 Sep - 01 Oct Qantas
27 Sep - 04 Oct Finnair
17 Sep - 08 Oct Etihad Airways
27 Sep - 11 Oct Finnair
26 Sep - 11 Oct Finnair
01 Sep - 23 Sep Condor
09 Sep - 29 Sep Condor
04 Sep - 19 Sep Qantas

Also check the deals for one-way flights from Sydney to Helsinki in September.

Skyscanner

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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