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

Return flights

17 Sep - 20 Sep	Icelandair
10 Sep - 23 Sep	Icelandair
05 Sep - 21 Sep	Icelandair
22 Sep - 04 Oct	TAP
10 Sep - 02 Oct	Icelandair
24 Sep - 30 Sep	Icelandair
10 Sep - 30 Sep	Icelandair
17 Sep - 30 Sep	Icelandair
29 Sep - 19 Oct	Icelandair
10 Sep - 20 Sep	Icelandair
03 Sep - 09 Sep	Icelandair
17 Sep - 27 Sep	Icelandair
19 Sep - 21 Sep	Icelandair
09 Sep - 02 Oct	Scandinavian Airlines
17 Sep - 21 Oct	Icelandair
26 Sep - 06 Oct	Finnair
27 Sep - 03 Oct	Finnair
19 Sep - 10 Oct	Icelandair
30 Sep - 07 Oct	Finnair
08 Sep - 02 Oct	Delta

Also check the deals for one-way flights from Prague to New York 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 Prague to New York in September from 350€

Return flights