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

Return flights

23 Sep - 29 Sep	Lufthansa
24 Sep - 01 Oct	Lufthansa
25 Sep - 08 Oct	Lufthansa
22 Sep - 06 Oct	Lufthansa
26 Sep - 28 Sep	British Airways
26 Sep - 30 Sep	British Airways
22 Sep - 30 Sep	British Airways
29 Sep - 06 Oct	British Airways
30 Sep - 07 Oct	British Airways
30 Sep - 05 Oct	Ryanair
22 Sep - 26 Sep	United
27 Sep - 05 Oct	British Airways
16 Sep - 21 Sep	Ryanair
21 Sep - 26 Sep	Lufthansa
17 Sep - 21 Sep	Ryanair
25 Sep - 27 Sep	Ryanair
16 Sep - 29 Sep	Ryanair
20 Sep - 01 Oct	Lufthansa
26 Sep - 04 Oct	Turkish Airlines
26 Sep - 03 Oct	Lufthansa

Also check the deals for one-way flights from Cologne 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 Cologne to New York in September from 392€

Return flights