Cheapest return flights from Austin to Las Vegas in December from $377
AirHint found the following cheapest return flights from Austin (AUS) to Las Vegas (LAS) in December 2025 (see full year).
Return flights
| 10 Dec - 16 Dec | Southwest Airlines | direct | |
| 11 Dec - 15 Dec | Alaska Airlines | ||
| 12 Dec - 14 Dec | American Airlines | ||
| 12 Dec - 14 Dec | Delta | direct |
Also check the deals for one-way flights from Austin to Las Vegas in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
