Cheapest return flights from Austin to Las Vegas in December from $48

AirHint found the following cheapest return flights from Austin (AUS) to Las Vegas (LAS) in December 2025 (see full year).

Return flights

15 Dec - 18 Dec Frontier Airlines direct
11 Dec - 18 Dec Frontier Airlines direct
14 Dec - 15 Dec Frontier Airlines direct
09 Dec - 11 Dec Frontier Airlines
08 Dec - 11 Dec Frontier Airlines
14 Dec - 16 Dec Frontier Airlines
12 Dec - 15 Dec Frontier Airlines direct
11 Dec - 15 Dec Frontier Airlines
09 Dec - 16 Dec Frontier Airlines
10 Dec - 12 Dec Frontier Airlines
22 Dec - 01 Jan Frontier Airlines
31 Dec - 07 Jan Frontier Airlines
29 Dec - 05 Jan Frontier Airlines
25 Dec - 01 Jan Frontier Airlines
23 Dec - 06 Jan Frontier Airlines direct
19 Dec - 04 Jan Frontier Airlines
29 Dec - 01 Jan Frontier Airlines
29 Dec - 05 Jan Frontier Airlines direct
30 Dec - 01 Jan Frontier Airlines
31 Dec - 07 Jan Southwest Airlines direct

Also check the deals for one-way flights from Austin to Las Vegas in December.

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