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

Return flights

15 Sep - 24 Sep	SWISS
15 Sep - 29 Sep	SWISS
17 Sep - 24 Sep	SWISS
18 Sep - 02 Oct	SWISS
22 Sep - 08 Oct	SWISS
19 Sep - 26 Sep	Air France
22 Sep - 26 Sep	Air France
13 Sep - 27 Sep	Lufthansa
18 Sep - 30 Sep	Air France
11 Sep - 24 Sep	Air France
12 Sep - 26 Sep	KLM
12 Sep - 25 Sep	KLM
20 Sep - 05 Oct	Lufthansa
30 Sep - 05 Oct	Air France
29 Sep - 04 Oct	KLM
25 Sep - 05 Oct	Air France
09 Sep - 03 Oct	Delta

Also check the deals for one-way flights from Hannover 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 Hannover to New York in September from $461

Return flights