AirHint found the following cheapest return flights from Hanoi (HAN) to Vienna (VIE) in December 2025 (see full year).
Return flights
| 22 Dec - 05 Jan | Air China | ||
| 21 Dec - 29 Dec | Air China | ||
| 13 Dec - 18 Dec | Qatar Airways | ||
| 13 Dec - 19 Dec | Qatar Airways |
Also check the deals for one-way flights from Hanoi to Vienna in December.
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