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

Return flights

09 Dec - 16 Dec	Icelandair
24 Dec - 01 Jan	Icelandair
25 Dec - 08 Jan	Icelandair
04 Dec - 11 Dec	Scandinavian Airlines
11 Dec - 25 Dec	Icelandair
08 Dec - 22 Dec	Finnair	direct
19 Dec - 06 Jan	Icelandair
24 Dec - 31 Dec	Scandinavian Airlines
11 Dec - 25 Dec	Finnair	direct
19 Dec - 03 Jan	Icelandair
22 Dec - 05 Jan	Icelandair
14 Dec - 21 Dec	Scandinavian Airlines
20 Dec - 31 Dec	Icelandair
23 Dec - 05 Jan	Air France
25 Dec - 08 Jan	Finnair	direct
26 Dec - 05 Jan	Air France
24 Dec - 01 Jan	Finnair	direct
29 Dec - 05 Jan	Scandinavian Airlines
22 Dec - 28 Dec	Finnair	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 347€

Return flights