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

Return flights

10 Dec - 17 Dec	Icelandair
07 Dec - 12 Dec	Icelandair
10 Dec - 14 Dec	Scandinavian Airlines
07 Dec - 15 Dec	Lufthansa
08 Dec - 12 Dec	Icelandair
08 Dec - 15 Dec	Brussels Airlines
04 Dec - 06 Dec	Brussels Airlines
10 Dec - 17 Dec	Finnair	direct
09 Dec - 16 Dec	Lufthansa
05 Dec - 09 Dec	Lufthansa
31 Dec - 07 Jan	Lufthansa
30 Dec - 06 Jan	Air Canada
29 Dec - 05 Jan	jetBlue
30 Dec - 04 Jan	Icelandair
27 Dec - 03 Jan	Norse Atlantic Airways
26 Dec - 03 Jan	Norse Atlantic Airways
26 Dec - 02 Jan	Norse Atlantic Airways
23 Dec - 03 Jan	Spirit Airlines
28 Dec - 04 Jan	Lufthansa
30 Dec - 04 Jan	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 387€

Return flights