AirHint found the following cheapest one-way flights from Chicago (ORD) to Vienna (VIE) in March 2026 (see full year).
One-Way flights
| 09 Mar | Icelandair | ||
| 04 Mar | Icelandair | ||
| 25 Mar | Aer Lingus | ||
| 07 Mar | Spirit Airlines | ||
| 17 Mar | LOT | ||
| 24 Mar | LOT | ||
| 19 Mar | LOT | ||
| 09 Mar | Austrian Airlines | direct | |
| 16 Mar | United | direct | |
| 07 Mar | Austrian Airlines | direct |
Also check the deals for return flights from Chicago to Vienna in March.
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