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

Return flights

30 Sep - 06 Oct	Icelandair
07 Sep - 22 Sep	Icelandair
26 Sep - 05 Oct	Icelandair
18 Sep - 01 Oct	Icelandair
11 Sep - 16 Sep	Icelandair
19 Sep - 23 Sep	Icelandair
11 Sep - 15 Sep	Icelandair
18 Sep - 25 Sep	SWISS
17 Sep - 22 Sep	United
07 Sep - 06 Oct	Icelandair
17 Sep - 24 Sep	United
11 Sep - 24 Sep	Delta
10 Sep - 23 Sep	Delta
24 Sep - 29 Sep	Delta
29 Sep - 06 Oct	Brussels Airlines
24 Sep - 03 Oct	SWISS
27 Sep - 04 Oct	Scandinavian Airlines	direct
18 Sep - 01 Oct	Scandinavian Airlines	direct
26 Sep - 08 Oct	Icelandair
15 Sep - 21 Oct	Lufthansa

Also check the deals for one-way flights from Stockholm 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 Stockholm to Newark in September from $375

Return flights