Cheapest return flights from Sydney to Helsinki in September from 931€

Best time to book flights for Sydney (SYD) to Helsinki (HEL) flights at AirHint

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

Return flights

10 Sep - 18 Sep Japan Airlines
10 Sep - 16 Sep Japan Airlines
10 Sep - 20 Sep Japan Airlines
10 Sep - 21 Sep Japan Airlines
10 Sep - 17 Sep Finnair
10 Sep - 19 Sep Finnair
11 Sep - 21 Sep Turkish Airlines
12 Sep - 21 Sep Turkish Airlines
14 Sep - 21 Sep Turkish Airlines
19 Sep - 05 Oct Turkish Airlines
13 Sep - 21 Sep Finnair
20 Sep - 06 Oct Finnair

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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