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

Return flights

24 Sep - 05 Oct	United
24 Sep - 01 Oct	United
23 Sep - 03 Oct	Air France
24 Sep - 06 Oct	Delta
23 Sep - 04 Oct	Delta
24 Sep - 08 Oct	Lufthansa
22 Sep - 26 Sep	Delta
18 Sep - 22 Sep	Delta
18 Sep - 23 Sep	Air France
20 Sep - 25 Sep	Delta
19 Sep - 26 Sep	Delta
19 Sep - 25 Sep	Delta
20 Sep - 24 Sep	Lufthansa
21 Sep - 28 Sep	United
21 Sep - 25 Sep	Lufthansa
20 Sep - 23 Sep	Lufthansa
30 Sep - 04 Oct	Delta
19 Sep - 11 Oct	Lufthansa
26 Sep - 03 Oct	Turkish Airlines

Also check the deals for one-way flights from Hannover to Newark 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 Newark in September from $477

Return flights