AirHint found the following cheapest return flights from Ottawa (YOW) to Vienna (VIE) in December 2025 (see full year).
Return flights
| 01 Dec - 27 Dec | Air Canada | ||
| 24 Dec - 28 Dec | Condor | ||
| 23 Dec - 29 Dec | Porter Airlines (Canada) Ltd | ||
| 24 Dec - 29 Dec | Lufthansa |
Also check the deals for one-way flights from Ottawa to Vienna in December.
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