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

Return flights

03 Dec - 08 Dec	Icelandair
05 Dec - 12 Dec	Icelandair
01 Dec - 16 Dec	Icelandair
31 Dec - 07 Jan	Icelandair
01 Dec - 16 Dec	Finnair	direct
16 Dec - 10 Jan	Icelandair
12 Dec - 21 Dec	Scandinavian Airlines
26 Dec - 10 Jan	Icelandair
24 Dec - 31 Dec	Icelandair
03 Dec - 08 Dec	Finnair	direct
05 Dec - 13 Dec	Icelandair
23 Dec - 17 Jan	Air France
14 Dec - 17 Dec	Scandinavian Airlines
27 Dec - 17 Jan	Scandinavian Airlines
21 Dec - 10 Jan	jetBlue
15 Dec - 22 Dec	Scandinavian Airlines
17 Dec - 10 Jan	Scandinavian Airlines
30 Dec - 06 Jan	Lufthansa
31 Dec - 07 Jan	Finnair	direct
18 Dec - 10 Jan	jetBlue

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 $373

Return flights