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

Return flights

19 Aug - 23 Sep	IndiGo
27 Aug - 17 Sep	IndiGo
25 Aug - 10 Sep	Turkish Airlines
30 Aug - 13 Sep	IndiGo
24 Aug - 30 Aug	IndiGo
16 Aug - 23 Aug	IndiGo
18 Aug - 03 Sep	IndiGo
10 Aug - 15 Aug	IndiGo
12 Aug - 20 Aug	IndiGo
25 Aug - 10 Sep	Finnair	direct
27 Aug - 17 Sep	Finnair	direct
03 Aug - 06 Aug	IndiGo
30 Aug - 13 Sep	Finnair	direct
03 Aug - 04 Aug	IndiGo
18 Aug - 03 Sep	Finnair	direct
01 Aug - 14 Aug	Qatar Airways
16 Aug - 06 Sep	Norwegian Air Sweden AOC
01 Aug - 30 Aug	Turkish Airlines
24 Aug - 30 Aug	Finnair	direct
16 Aug - 23 Aug	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 506€

Return flights