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

Return flights

24 Sep - 04 Oct	TAP
30 Sep - 08 Oct	TAP
04 Sep - 08 Sep	TAP
18 Sep - 29 Sep	Ryanair
18 Sep - 24 Sep	Ryanair
16 Sep - 30 Sep	Ryanair
30 Sep - 05 Oct	Ryanair
15 Sep - 05 Oct	Ryanair
22 Sep - 29 Sep	Ryanair
16 Sep - 26 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
25 Sep - 12 Oct	Ryanair
25 Sep - 05 Oct	Ryanair
22 Sep - 01 Oct	Ryanair
05 Sep - 14 Sep	TAP
13 Sep - 30 Sep	Ryanair
18 Sep - 30 Sep	Ryanair
20 Sep - 05 Oct	Ryanair
17 Sep - 12 Oct	Ryanair
25 Sep - 06 Oct	Ryanair

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to New York in September from $372

Return flights