AirHint found the following cheapest return flights from Chicago (ORD) to Vienna (VIE) in July 2026 (see full year).
Return flights
| 15 Jul - 29 Jul | Aer Lingus | ||
| 13 Jul - 20 Jul | Aer Lingus | ||
| 16 Jul - 30 Jul | Aer Lingus | ||
| 05 Jul - 19 Jul | Aer Lingus | ||
| 12 Jul - 19 Jul | Aer Lingus |
Also check the deals for one-way flights from Chicago to Vienna in July.
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