AirHint found the following cheapest one-way flights from Chicago (MDW) to Vienna (VIE) in May 2026 (see full year).
One-Way flights
| 07 May | Porter Airlines (Canada) Ltd | ||
| 14 May | Porter Airlines (Canada) Ltd | ||
| 11 May | Condor | ||
| 05 May | Delta | ||
| 20 May | Delta | ||
| 02 May | Delta | ||
| 10 May | Delta | ||
| 12 May | Delta | ||
| 13 May | Delta |
Also check the deals for return flights from Chicago to Vienna in May.
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