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

Return flights

17 Sep - 30 Sep	TAP
13 Sep - 22 Sep	TAP
17 Sep - 24 Sep	TAP
06 Sep - 22 Sep	TAP
14 Sep - 20 Sep	TAP
02 Sep - 16 Sep	TAP
03 Sep - 17 Sep	TAP
14 Sep - 21 Sep	TAP
04 Sep - 08 Sep	TAP
23 Sep - 07 Oct	TAP
07 Sep - 07 Oct	TAP
05 Sep - 17 Sep	TAP
26 Sep - 05 Oct	TAP
24 Sep - 03 Oct	TAP
22 Sep - 06 Oct	Singapore Airlines	direct
19 Sep - 06 Oct	Singapore Airlines	direct
19 Sep - 05 Oct	TAP
19 Sep - 05 Oct	Singapore Airlines	direct
07 Sep - 07 Oct	Singapore Airlines	direct
08 Sep - 27 Oct	Iberia

Also check the deals for one-way flights from New York to Frankfurt 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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from New York to Frankfurt in September from $451

Return flights