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

Return flights

29 Oct - 05 Nov	Air Canada
20 Oct - 06 Nov	Delta
15 Oct - 22 Oct	Air Canada
08 Oct - 15 Oct	Air Canada
14 Oct - 21 Oct	Air Canada
21 Oct - 28 Oct	Air Canada
22 Oct - 29 Oct	Air Canada
01 Oct - 08 Oct	Air Canada
09 Oct - 16 Oct	Air Canada
16 Oct - 23 Oct	Air Canada
10 Oct - 17 Oct	Air Canada
13 Oct - 20 Oct	Air Canada
27 Oct - 03 Nov	Air Canada
30 Oct - 06 Nov	United
25 Oct - 01 Nov	Air Canada
31 Oct - 07 Nov	Air Canada
26 Oct - 02 Nov	Air Canada
22 Oct - 02 Nov	United

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 $394

Return flights