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

Return flights

02 Dec - 09 Dec	Icelandair
09 Dec - 16 Dec	Air France
08 Dec - 17 Dec	Air France
03 Dec - 10 Dec	Air France
08 Dec - 15 Dec	KLM
02 Dec - 09 Dec	British Airways	direct
03 Dec - 10 Dec	British Airways	direct
08 Dec - 17 Dec	Finnair	direct
09 Dec - 16 Dec	Finnair	direct
05 Dec - 12 Dec	Icelandair
29 Dec - 05 Jan	Finnair	direct
25 Dec - 01 Jan	Finnair	direct
28 Dec - 04 Jan	Finnair	direct
26 Dec - 02 Jan	Finnair	direct
27 Dec - 03 Jan	Finnair	direct
11 Dec - 04 Jan	Finnair	direct
19 Dec - 02 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 332€

Return flights