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

Return flights

03 Sep - 09 Sep	Icelandair
10 Sep - 17 Sep	Icelandair
29 Sep - 06 Oct	Icelandair
04 Sep - 07 Sep	Icelandair
17 Sep - 24 Sep	Icelandair
02 Sep - 09 Sep	Icelandair
09 Sep - 18 Sep	Icelandair
30 Sep - 09 Oct	Icelandair
03 Sep - 07 Sep	Icelandair
10 Sep - 16 Sep	Icelandair
01 Sep - 07 Sep	Icelandair
11 Sep - 20 Sep	Norse Atlantic Airways
29 Sep - 13 Oct	TAP
30 Sep - 09 Oct	Delta	direct
29 Sep - 13 Oct	Delta	direct
17 Sep - 01 Oct	SWISS	direct
26 Sep - 03 Oct	Icelandair

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

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 Zurich in September from 341€

Return flights