Cheap flights from Denver to Las Vegas from $43

The month of August is, on average, the cheapest month to fly to Las Vegas from Denver, with most prices found around $169. The month of January is another great option to travel to Las Vegas, with average flight prices from Denver averaging around $176.

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $165. Flights from Denver to Las Vegas on a Friday will generally be more expensive and average around $255. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $204. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $233. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Denver Intl to Las Vegas Harry Reid Intl for the best Denver Intl - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $205 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Denver for as low as $165 on momondo.

Frontier, United Airlines, and Southwest are the most popular carriers operating from Denver Intl to Las Vegas Harry Reid Intl

Frontier, Southwest and United Airlines are the top three most popular airlines that fly to Las Vegas from Denver according to our data. Frontier is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 6 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Denver and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

The number of flights available between Denver and Las Vegas is 38 per day as of May 2026. The most frequent departure time is 7:00PM, with 48% of daily flights leaving in the afternoon.

As of May 2026, 266 flights take off from Denver and land in Las Vegas each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.