AirHint found the following cheapest return flights from Eugene (EUG) to Las Vegas (LAS) in December 2025 (see full year).
Return flights
| 20 Dec - 25 Dec | United | ||
| 30 Dec - 02 Jan | Allegiant Air | direct | |
| 31 Dec - 02 Jan | Alaska Airlines | ||
| 28 Dec - 03 Jan | Allegiant Air |
Also check the deals for one-way flights from Eugene to Las Vegas in December.
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