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

Return flights

26 Dec - 10 Jan	Brussels Airlines
26 Dec - 10 Jan	Finnair	direct
25 Dec - 11 Jan	Brussels Airlines
27 Dec - 04 Jan	Finnair	direct
24 Dec - 31 Dec	Finnair	direct
30 Dec - 04 Jan	Finnair	direct
22 Dec - 07 Jan	Norse Atlantic Airways (UK)
21 Dec - 28 Dec	Lufthansa
29 Dec - 05 Jan	Lufthansa
20 Dec - 05 Jan	jetBlue
25 Dec - 11 Jan	Finnair	direct
24 Dec - 02 Jan	Lufthansa
20 Dec - 27 Dec	Lufthansa
22 Dec - 29 Dec	Lufthansa
26 Dec - 27 Dec	Finnair

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 $982

Return flights