Cheapest return flights from Denver to Las Vegas in December from $42

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

Return flights

21 Dec - 23 Dec Frontier Airlines direct
17 Dec - 23 Dec Frontier Airlines direct
15 Dec - 19 Dec Frontier Airlines direct
14 Dec - 19 Dec Frontier Airlines direct
20 Dec - 13 Jan Frontier Airlines direct
08 Dec - 10 Dec Frontier Airlines direct
22 Dec - 26 Dec Frontier Airlines direct
23 Dec - 27 Dec Frontier Airlines direct
13 Dec - 14 Dec Frontier Airlines direct
20 Dec - 24 Dec Frontier Airlines direct
20 Dec - 27 Dec Frontier Airlines direct
28 Dec - 03 Jan Frontier Airlines direct
31 Dec - 03 Jan Frontier Airlines direct
29 Dec - 03 Jan Frontier Airlines direct
30 Dec - 02 Jan Frontier Airlines
30 Dec - 02 Jan United direct

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

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