AirHint found the following cheapest return flights from New York (JFK) to Helsinki (HEL) in December 2025 (see full year).

Return flights

01 Dec - 15 Dec	Finnair	direct
05 Dec - 13 Dec	Scandinavian Airlines
23 Dec - 07 Jan	Scandinavian Airlines
22 Dec - 07 Jan	Icelandair
22 Dec - 06 Jan	Icelandair
23 Dec - 31 Dec	Scandinavian Airlines
22 Dec - 13 Jan	Icelandair
23 Dec - 07 Jan	Finnair	direct
22 Dec - 05 Jan	Brussels Airlines
23 Dec - 31 Dec	Finnair	direct
20 Dec - 01 Jan	Scandinavian Airlines
21 Dec - 01 Jan	Turkish Airlines
22 Dec - 13 Jan	British Airways	direct
20 Dec - 01 Jan	Iberia	direct

Also check the deals for one-way flights from New York to Helsinki in December.

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 New York to Helsinki in December from 380€

Return flights