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

Return flights

04 Dec - 11 Dec	Icelandair
03 Dec - 10 Dec	Icelandair
05 Dec - 07 Dec	Icelandair
30 Dec - 24 Jan	Icelandair
03 Dec - 12 Dec	Icelandair
01 Dec - 16 Dec	Icelandair
08 Dec - 15 Dec	Scandinavian Airlines
07 Dec - 14 Dec	Scandinavian Airlines
24 Dec - 07 Jan	Icelandair
03 Dec - 10 Dec	Finnair	direct
01 Dec - 16 Dec	Finnair	direct
09 Dec - 16 Dec	Scandinavian Airlines
31 Dec - 07 Jan	Icelandair
16 Dec - 12 Jan	Icelandair
30 Dec - 24 Jan	Finnair	direct
27 Dec - 17 Jan	Scandinavian Airlines
23 Dec - 17 Jan	jetBlue
26 Dec - 17 Jan	Icelandair
30 Dec - 05 Jan	Lufthansa
26 Dec - 10 Jan	Icelandair

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 $370

Return flights