Cheapest one-way flights from Sydney to Helsinki in December from $624

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

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

One-Way flights

01 Dec Japan Airlines
17 Dec Japan Airlines
07 Dec Japan Airlines
21 Dec Japan Airlines
02 Dec Japan Airlines
14 Dec Japan Airlines
16 Dec Japan Airlines
27 Dec Japan Airlines
23 Dec Japan Airlines
12 Dec Etihad Airways

Also check the deals for return flights from Sydney to Helsinki in December.

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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