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

Return flights

12 Oct - 28 Oct	Icelandair
15 Oct - 20 Nov	Icelandair
22 Oct - 28 Oct	Icelandair
22 Oct - 29 Oct	Icelandair
01 Oct - 05 Oct	Scandinavian Airlines
13 Oct - 19 Oct	Scandinavian Airlines
26 Oct - 01 Nov	Scandinavian Airlines
26 Oct - 02 Nov	Scandinavian Airlines
23 Oct - 30 Oct	Icelandair
22 Oct - 02 Nov	United
25 Oct - 01 Nov	Scandinavian Airlines
08 Oct - 15 Oct	Lufthansa
07 Oct - 14 Oct	Lufthansa
02 Oct - 09 Oct	Lufthansa
12 Oct - 20 Oct	Lufthansa

Also check the deals for one-way flights from Newark 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 Newark to Helsinki in October from 335€

Return flights