Cheapest return flights from New York to Helsinki in September from 344€

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

Return flights

07 Sep - 23 Sep Icelandair
10 Sep - 18 Sep Icelandair
24 Sep - 01 Oct Delta
24 Sep - 28 Sep Delta
01 Sep - 09 Sep Icelandair
07 Sep - 15 Sep Delta
04 Sep - 15 Sep Delta
14 Sep - 30 Sep Delta
09 Sep - 16 Sep Delta
02 Sep - 13 Sep Air France
06 Sep - 13 Sep Delta
24 Sep - 01 Oct British Airways direct
27 Sep - 04 Oct Scandinavian Airlines

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

Skyscanner

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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