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

Return flights

07 Sep - 11 Sep	Icelandair
07 Sep - 18 Sep	Icelandair
24 Sep - 08 Oct	TAP
12 Sep - 31 Oct	Icelandair
10 Sep - 17 Sep	Icelandair
07 Sep - 21 Sep	Icelandair
08 Sep - 21 Sep	Icelandair
05 Sep - 08 Sep	Icelandair
29 Sep - 13 Oct	TAP
10 Sep - 22 Sep	TAP
02 Sep - 10 Sep	TAP
03 Sep - 10 Sep	TAP
05 Sep - 07 Sep	Icelandair
15 Sep - 01 Oct	Scandinavian Airlines
29 Sep - 05 Oct	Icelandair
25 Sep - 05 Oct	FrenchBee
17 Sep - 02 Oct	Scandinavian Airlines
26 Sep - 05 Oct	Scandinavian Airlines
17 Sep - 01 Oct	TAP
26 Sep - 05 Oct	United	direct

Also check the deals for one-way flights from Newark to Berlin 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 Newark to Berlin in September from $431

Return flights