Cheapest return flights from Chicago to Vienna in August from $550

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

Return flights

04 Aug - 18 Aug Air Canada
16 Aug - 26 Aug Air Canada
01 Aug - 20 Aug American Airlines
07 Aug - 21 Aug Spirit Airlines
21 Aug - 26 Aug SWISS
14 Aug - 21 Aug United
08 Aug - 21 Aug British Airways
30 Aug - 07 Sep Icelandair
07 Aug - 31 Aug Turkish Airlines
01 Aug - 15 Aug British Airways
23 Aug - 06 Sep British Airways

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

Skyscanner

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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