Cheap flights from the United States to Las Vegas from $43

The month of August is, on average, the cheapest month to fly to Las Vegas from United States, with most prices found around $229. The month of January is another great option to travel to Las Vegas, with average flight prices from United States averaging around $253.

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $314. Flights from United States to Las Vegas on a Thursday will generally be more expensive and average around $396. 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 afternoon when flights can be purchased for as low as $350. Flights to Las Vegas are more costly at noon, with an average ticket price of $354. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl 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 $338 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 $265 on momondo.

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

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

Frontier, Southwest and Spirit Airlines 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 50% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 13 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 130 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

As of May 2026, there are 277 flights per day flying from United States to Las Vegas. The most common time of day flights depart is 7:00PM, with 36% of flights taking off in the evening.

As of May 2026, there are 1,943 flights per week flying from United States to Las Vegas. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.