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

Return flights

25 Aug - 04 Sep	Air Canada
11 Aug - 20 Aug	Air Canada
21 Aug - 28 Aug	Lufthansa
06 Aug - 11 Sep	Air Canada
25 Aug - 10 Sep	Air Canada
15 Aug - 22 Aug	Air Canada
21 Aug - 01 Sep	Air Canada
24 Aug - 08 Sep	Air Canada
08 Aug - 16 Aug	Air Canada
05 Aug - 13 Aug	Delta
16 Aug - 28 Aug	Air Canada
28 Aug - 07 Sep	Air Canada
21 Aug - 03 Sep	Delta
18 Aug - 01 Sep	Delta
28 Aug - 31 Aug	Delta
17 Aug - 07 Sep	Air Canada
29 Aug - 31 Aug	KLM
01 Aug - 08 Aug	Air Canada
10 Aug - 17 Aug	Air Canada

Also check the deals for one-way flights from New York to Vienna in August.

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 August from $497

Return flights