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

Return flights

09 Oct - 16 Oct	Icelandair
27 Oct - 10 Nov	Icelandair
30 Oct - 13 Nov	Icelandair
06 Oct - 13 Oct	Scandinavian Airlines
30 Oct - 13 Nov	British Airways	direct
09 Oct - 16 Oct	Finnair	direct
27 Oct - 10 Nov	British Airways	direct
10 Oct - 19 Oct	Lufthansa

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 333€

Return flights