AirHint found the following cheapest one-way flights from New York (JFK) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

30 Aug	Norse Atlantic Airways
26 Aug	Lufthansa
24 Aug	Icelandair
22 Aug	Norse Atlantic Airways
28 Aug	Norse Atlantic Airways
25 Aug	Finnair	direct
31 Aug	Iberia	direct
24 Aug	Finnair	direct
30 Aug	Finnair	direct
28 Aug	Finnair	direct

Also check the deals for return flights from New York to Helsinki 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 one-way flights from New York to Helsinki in August from $281

One-Way flights