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

Return flights

22 Sep - 06 Oct	Air Canada
22 Sep - 01 Oct	Air Canada
22 Sep - 24 Sep	Air Canada
27 Sep - 09 Oct	SWISS
21 Sep - 30 Sep	Air Canada
15 Sep - 25 Sep	Air Canada
17 Sep - 22 Sep	FrenchBee
15 Sep - 20 Sep	FrenchBee
28 Sep - 12 Oct	Air Canada
08 Sep - 17 Sep	SWISS
28 Sep - 16 Oct	SWISS
28 Sep - 18 Oct	Scandinavian Airlines
26 Sep - 18 Oct	Scandinavian Airlines
09 Sep - 10 Oct	FrenchBee
08 Sep - 23 Sep	Icelandair
14 Sep - 14 Oct	FrenchBee
15 Sep - 11 Oct	FrenchBee
17 Sep - 20 Sep	FrenchBee
17 Sep - 24 Sep	FrenchBee
12 Sep - 15 Sep	FrenchBee

Also check the deals for one-way flights from Newark to Vienna 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 Vienna in September from $494

Return flights