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

Return flights

01 Sep - 17 Sep	Lufthansa
09 Sep - 16 Sep	Lufthansa
08 Sep - 14 Sep	Air Canada
24 Sep - 28 Sep	Air Canada
14 Sep - 30 Sep	Air Canada
01 Sep - 10 Sep	Lufthansa
23 Sep - 30 Sep	Air Canada
15 Sep - 22 Sep	Air Canada
05 Sep - 15 Sep	Air Canada
06 Sep - 14 Sep	Air Canada
26 Sep - 01 Oct	Air Canada
25 Sep - 04 Oct	Air Canada

Also check the deals for one-way flights from New York 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 New York to Vienna in September from 421€

Return flights