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

Return flights

17 Sep - 30 Sep	Air Europa
09 Sep - 23 Sep	TAP
17 Sep - 23 Sep	Air Europa
17 Sep - 25 Sep	Air Europa
10 Sep - 25 Sep	Air Europa
17 Sep - 26 Sep	Air Europa
10 Sep - 23 Sep	Air Europa
10 Sep - 10 Oct	Lufthansa
19 Sep - 06 Oct	Finnair
18 Sep - 22 Sep	TAP
19 Sep - 04 Oct	Air Canada
24 Sep - 06 Oct	Finnair
20 Sep - 20 Oct	Finnair
23 Sep - 06 Oct	Finnair
30 Sep - 06 Oct	Finnair
08 Sep - 23 Sep	TAP
11 Sep - 24 Sep	TAP
20 Sep - 04 Oct	Finnair
19 Sep - 03 Oct	Lufthansa	direct
19 Sep - 03 Oct	Air Canada

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 375€

Return flights