AirHint found the following cheapest return flights from Singapore (SIN) to Helsinki (HEL) in December 2025 (see full year).

Return flights

26 Dec - 11 Jan	KLM
16 Dec - 23 Jan	Air France
05 Dec - 09 Dec	Turkish Airlines
31 Dec - 11 Jan	Turkish Airlines
26 Dec - 08 Jan	KLM
31 Dec - 07 Jan	Turkish Airlines
26 Dec - 08 Jan	Finnair	direct
26 Dec - 11 Jan	Finnair	direct
04 Dec - 11 Dec	KLM
31 Dec - 11 Jan	Finnair	direct
07 Dec - 14 Dec	AirAsia
16 Dec - 23 Dec	Thai Airways
18 Dec - 23 Dec	Thai Airways
09 Dec - 16 Dec	Thai Airways
26 Dec - 03 Jan	Turkish Airlines
27 Dec - 04 Jan	Thai Airways
01 Dec - 14 Dec	Finnair
09 Dec - 13 Dec	Thai Airways
22 Dec - 31 Dec	KLM
12 Dec - 17 Dec	Thai Airways

Also check the deals for one-way flights from Singapore 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 Singapore to Helsinki in December from 550€

Return flights