Cheapest return flights from New York to Helsinki in September from 347€

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

Return flights

25 Sep - 05 Oct Brussels Airlines
30 Sep - 02 Oct Air France
03 Sep - 10 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
24 Sep - 01 Oct Scandinavian Airlines
15 Sep - 22 Sep Scandinavian Airlines
21 Sep - 28 Sep Scandinavian Airlines
23 Sep - 30 Sep Finnair direct
24 Sep - 01 Oct Finnair direct
30 Sep - 07 Oct Scandinavian Airlines
18 Sep - 25 Sep Scandinavian Airlines
02 Sep - 09 Sep Finnair direct
03 Sep - 10 Sep Finnair direct
09 Sep - 16 Sep Finnair direct
10 Sep - 17 Sep Finnair direct
25 Sep - 02 Oct Finnair direct
26 Sep - 03 Oct Finnair direct
28 Sep - 05 Oct Finnair direct
29 Sep - 06 Oct Finnair 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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