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

Return flights

05 Sep - 12 Sep	Icelandair
05 Sep - 10 Sep	Icelandair
10 Sep - 24 Sep	Icelandair
08 Sep - 20 Sep	Icelandair
21 Sep - 29 Sep	Icelandair
21 Sep - 28 Sep	Icelandair
30 Sep - 07 Oct	TAP
30 Sep - 10 Oct	TAP
16 Sep - 25 Sep	TAP
04 Sep - 08 Sep	Icelandair
01 Sep - 10 Sep	Icelandair
15 Sep - 21 Sep	Scandinavian Airlines
28 Sep - 20 Oct	Scandinavian Airlines
30 Sep - 07 Oct	United	direct
30 Sep - 10 Oct	United	direct
28 Sep - 20 Oct	United	direct
18 Sep - 10 Oct	Scandinavian Airlines
30 Sep - 01 Oct	Aer Lingus
30 Sep - 01 Oct	Lufthansa	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 414€

Return flights