Cheap flights from the United States to Las Vegas from $40

The month of July is, on average, the cheapest month to fly to Las Vegas from United States, with most prices found around $299. The month of August is another great option to travel to Las Vegas, with average flight prices from United States averaging around $299.

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 $294. Flights from United States to Las Vegas on a Thursday will generally be more expensive and average around $378. 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 morning when flights can be purchased for as low as $326. Flights to Las Vegas are more costly at noon, with an average ticket price of $366. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Los Angeles to Las Vegas Harry Reid Intl for the best United States - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $319 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from United States for as low as $257 on momondo.

There are 4 cabin classes available to choose from on United States to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Frontier, Spirit Airlines and Southwest are the top three most popular airlines that fly to Las Vegas from United States according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 12 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 16% of flights between United States and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 131 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.

Wednesday 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, Breeze Airways have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

As of February 2026, there are 261 flights per day flying from United States to Las Vegas. The most common time of day flights depart is 7:00PM, with 35% of flights taking off in the evening.

As of February 2026, there are 1,827 flights per week flying from United States to Las Vegas. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.