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

Return flights

21 Oct - 31 Oct	KLM
07 Oct - 21 Oct	Air France
15 Oct - 27 Oct	Qatar Airways
30 Oct - 10 Nov	Qatar Airways
31 Oct - 11 Nov	Qatar Airways
15 Oct - 02 Nov	Qatar Airways
10 Oct - 17 Oct	Turkish Airlines
23 Oct - 29 Oct	Turkish Airlines
11 Oct - 19 Oct	Qatar Airways
25 Oct - 08 Nov	Qatar Airways
11 Oct - 19 Oct	Finnair	direct
30 Oct - 10 Nov	Finnair	direct
21 Oct - 31 Oct	Finnair	direct
20 Oct - 25 Oct	Etihad Airways
31 Oct - 11 Nov	Finnair	direct
07 Oct - 21 Oct	Finnair	direct
15 Oct - 02 Nov	Finnair	direct
25 Oct - 08 Nov	Finnair	direct

Also check the deals for one-way flights from Singapore to Helsinki in October.

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 October from 583€

Return flights