Cheapest return flights from Sydney to Helsinki in December from $1237

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 December 2025 (see full year).

Return flights

06 Dec - 23 Dec Japan Airlines
11 Dec - 26 Dec Japan Airlines
09 Dec - 26 Dec Japan Airlines
09 Dec - 29 Dec Finnair
06 Dec - 20 Dec Finnair
20 Dec - 27 Dec Finnair
15 Dec - 31 Dec Finnair
02 Dec - 21 Dec Qantas

Also check the deals for one-way 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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