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

Return flights

27 Aug - 17 Sep	IndiGo
25 Aug - 10 Sep	Turkish Airlines
25 Aug - 09 Sep	IndiGo
14 Aug - 25 Aug	IndiGo
24 Aug - 30 Aug	IndiGo
15 Aug - 22 Aug	IndiGo
16 Aug - 23 Aug	IndiGo
15 Aug - 30 Aug	IndiGo
10 Aug - 22 Aug	IndiGo
10 Aug - 15 Aug	IndiGo
14 Aug - 21 Aug	IndiGo
08 Aug - 15 Aug	IndiGo
14 Aug - 18 Aug	IndiGo
22 Aug - 05 Sep	IndiGo
20 Aug - 03 Sep	IndiGo
21 Aug - 03 Sep	IndiGo
18 Aug - 01 Sep	IndiGo
27 Aug - 17 Sep	Finnair	direct
25 Aug - 10 Sep	Finnair	direct
25 Aug - 09 Sep	Finnair	direct

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

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 August from $590

Return flights