Cheap flights from Houston to Las Vegas from $42

The month of November is, on average, the cheapest month to fly to Las Vegas from Houston, with most prices found around $248. The month of February is another great option to travel to Las Vegas, with average flight prices from Houston averaging around $249.

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 $316. Flights from Houston to Las Vegas on a Thursday will generally be more expensive and average around $463. 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 $265. Flights to Las Vegas are more costly in the morning, with an average ticket price of $399. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Houston George Bush Intcntl to Las Vegas Harry Reid Intl for the best Houston - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Houston for as low as $237 on momondo.

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

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

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Las Vegas from Houston according to our data. Frontier is the first choice among our users, with 52% 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 14% of flights between Houston and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 139 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. Sunday 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 11% of their flights experiencing any sort of delay.

As of August 2026, there are 11 flights per day flying from Houston to Las Vegas. The most common time of day flights depart is 8:00PM, with 35% of flights taking off in the afternoon.

The number of flights available between Houston and Las Vegas is 77 per week as of August 2026. The most frequent departure day is Fri, with 32% of weekly flights leaving on this day.