AirHint found the following cheapest return flights from Sydney (SYD) to Helsinki (HEL) in December 2026 (see full year).

Return flights

03 Dec - 13 Dec	Turkish Airlines
04 Dec - 11 Dec	Turkish Airlines
01 Dec - 22 Dec	Scoot
01 Dec - 05 Jan	Qatar Airways
05 Dec - 12 Dec	Qatar Airways
06 Dec - 22 Dec	VietJet Air
01 Dec - 16 Dec	Scoot
01 Dec - 06 Jan	Etihad Airways
25 Dec - 01 Jan	Qatar Airways
26 Dec - 07 Jan	Qatar Airways
03 Dec - 21 Dec	Qantas
01 Dec - 17 Dec	Finnair
09 Dec - 02 Jan	Qatar Airways
01 Dec - 12 Dec	Finnair
01 Dec - 18 Dec	Scoot
15 Dec - 05 Jan	Malaysia Airlines
19 Dec - 08 Jan	Finnair
18 Dec - 02 Jan	Malaysia Airlines
19 Dec - 06 Jan	Finnair
14 Dec - 04 Jan	Qatar Airways

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

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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Cheapest return flights from Sydney to Helsinki in December from $1364

Return flights