Cheapest one-way flights from Helsinki to Sydney in September from $540

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

One-Way flights

13 Sep Ryanair
09 Sep Norwegian Air Sweden AOC
03 Sep Ryanair
02 Sep Norwegian Air Sweden AOC
11 Sep Finnair
22 Sep Turkish Airlines
15 Sep Turkish Airlines
01 Sep Turkish Airlines
12 Sep Pegasus Airlines
23 Sep Turkish Airlines

Also check the deals for return flights from Helsinki to Sydney 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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