AirHint found the following cheapest return flights from Washington (DCA) to Vienna (VIE) in December 2025 (see full year).
Return flights
| 31 Dec - 05 Jan | Air Canada | ||
| 27 Dec - 05 Jan | Air Canada | ||
| 28 Dec - 07 Jan | British Airways | ||
| 29 Dec - 07 Jan | British Airways | ||
| 28 Dec - 04 Jan | Emirates |
Also check the deals for one-way flights from Washington to Vienna in December.
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