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

Return flights

05 Sep - 16 Sep	Brussels Airlines
16 Sep - 24 Sep	Brussels Airlines
17 Sep - 22 Sep	Icelandair
16 Sep - 30 Sep	TAP
25 Sep - 09 Oct	Scandinavian Airlines
22 Sep - 28 Sep	Wizz Air Malta
11 Sep - 02 Oct	Transavia France
23 Sep - 07 Oct	Scandinavian Airlines
29 Sep - 02 Oct	Icelandair
09 Sep - 14 Sep	TAP
10 Sep - 22 Sep	Scandinavian Airlines
17 Sep - 28 Sep	Icelandair
12 Sep - 20 Sep	Icelandair
17 Sep - 25 Sep	Icelandair
28 Sep - 03 Oct	Scandinavian Airlines
28 Sep - 05 Oct	Scandinavian Airlines
16 Sep - 07 Oct	Finnair
21 Sep - 07 Oct	Finnair
26 Sep - 07 Oct	Finnair
20 Sep - 07 Oct	Finnair

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 346€

Return flights