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

Return flights

08 Oct - 16 Oct	Finnair	direct
01 Oct - 15 Oct	Finnair	direct
08 Oct - 20 Oct	Finnair	direct
16 Oct - 23 Oct	British Airways	direct
22 Oct - 29 Oct	Scandinavian Airlines
10 Oct - 17 Oct	Delta
02 Oct - 09 Oct	Scandinavian Airlines
10 Oct - 17 Oct	British Airways	direct
09 Oct - 19 Oct	Norse Atlantic Airways (UK)
09 Oct - 19 Oct	British Airways	direct

Also check the deals for one-way flights from New York to Helsinki in October.

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 October from $345

Return flights