Cheapest return flights from Denver to Las Vegas in January from $40

AirHint found the following cheapest return flights from Denver (DEN) to Las Vegas (LAS) in January 2026 (see full year).

Return flights

03 Jan - 05 Jan Frontier Airlines direct
10 Jan - 11 Jan Frontier Airlines direct
18 Jan - 21 Jan Frontier Airlines direct
09 Jan - 12 Jan Frontier Airlines direct
06 Jan - 08 Jan Frontier Airlines direct
29 Jan - 31 Jan Frontier Airlines direct
08 Jan - 11 Jan Frontier Airlines direct
22 Jan - 25 Jan Frontier Airlines direct
02 Jan - 10 Jan Frontier Airlines direct
02 Jan - 09 Jan Frontier Airlines direct

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

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