Cheapest return flights from Chicago to Vienna in August from 499€

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

Return flights

25 Aug - 04 Sep Turkish Airlines
26 Aug - 09 Sep Turkish Airlines
25 Aug - 02 Sep Turkish Airlines
17 Aug - 02 Sep Turkish Airlines
25 Aug - 01 Sep Turkish Airlines
16 Aug - 09 Sep Spirit Airlines
13 Aug - 20 Aug Icelandair
11 Aug - 18 Aug Air Canada
17 Aug - 02 Sep Austrian Airlines direct
25 Aug - 04 Sep Austrian Airlines direct
25 Aug - 02 Sep Austrian Airlines direct
26 Aug - 09 Sep Austrian Airlines direct
16 Aug - 30 Aug Spirit Airlines
10 Aug - 17 Aug SWISS
07 Aug - 14 Aug KLM
04 Aug - 19 Aug ITA Airways
08 Aug - 15 Aug Air Canada
05 Aug - 16 Aug Turkish Airlines
05 Aug - 17 Aug Icelandair
03 Aug - 17 Aug TAP

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

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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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