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

Return flights

07 Oct - 21 Oct	Lufthansa
06 Oct - 20 Oct	Lufthansa
08 Oct - 21 Oct	Lufthansa
14 Oct - 06 Nov	Lufthansa
06 Oct - 24 Oct	Lufthansa
31 Oct - 28 Nov	Lufthansa
24 Oct - 28 Oct	Turkish Airlines
01 Oct - 25 Oct	Lufthansa
12 Oct - 26 Nov	Lufthansa
04 Oct - 28 Nov	Lufthansa
06 Oct - 24 Oct	Finnair	direct
20 Oct - 28 Oct	Turkish Airlines
06 Oct - 20 Oct	Finnair	direct
31 Oct - 28 Nov	Finnair	direct
08 Oct - 15 Oct	Norwegian Air Sweden AOC
14 Oct - 06 Nov	Finnair	direct
12 Oct - 26 Nov	Finnair	direct

Also check the deals for one-way flights from Helsinki to Singapore 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 Helsinki to Singapore in October from $698

Return flights