Cheap flights from St. Louis to Las Vegas (STL - LAS) from $42

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 55% on your flight compared to booking on days when demand is much higher.

Travelers have found it’s best to book a flight 18 days in advance to save up to 14% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 18 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Las Vegas 1-2 weeks in advance for as low as $202, or $241 for flights within the next 24 hours.

January can be a great time to fly to Las Vegas from St. Louis with a flight ticket averaging about $209. Cheapflights users have found deals in the month of January for as cheap as $96. The most expensive prices can be found in the month of June.

It’s typically best to fly out from St. Louis to Las Vegas in the evening. Doing so could potentially save you 55% on the flight price compared to flying at noon, which is usually more expensive.

Las Vegas, with its wild atmosphere and brilliant lights, is a thrilling spot for a vacation. Whether you're visiting with the family or coming with friends, the city's energy and exuberance is sure to draw you in. From the always-busy casinos of the Strip to the classic style of Fremont Street, every inch of the city is designed to provide fun-filled memories to last a lifetime. Best of all? The Vegas attractions all sit just a quick flight from St. Louis.

The flight from St. Louis to Las Vegas usually takes less than three hours, so you can get checked into your hotel and ready to see the sites in no time.

Two airlines fly between St. Louis and Las Vegas. Southwest Airlines operates the bulk of nonstop flights, and Frontier Airlines also offers direct service between the two cities.

Airline schedules to Las Vegas vary based on the day of the week, but on most days, you can choose from a minimum of four direct flights from St. Louis.

In St. Louis, your flight will depart from the St. Louis Lambert International Airport. If you want to leave your car at home, take the GO BEST airport shuttle or ride the MetroLink light rail from the city to the terminal. Your flight to Vegas arrives at the Las Vegas McCarran International Airport, which lies just a few miles from the iconic Strip.

Of the two airlines that fly the St. Louis to Las Vegas route, Frontier tends to offer lower prices. Before you book, be sure to check baggage fees, as they can add a large amount to the final ticket price. Every inch of Las Vegas is designed to make an impression. Start your trip off with a bang by jumping off the edge of the Stratosphere casino and falling 829 feet on the heart-pounding Sky Jump. Closer to the south end of the Strip, get a thrill on the roller coaster that runs over the New York New York casino. Want to stay close to the earth? Opt for a boat ride through the canals of the elegant Venetian hotel and casino. When you're ready for a break from gambling, check out the Hispanic Museum of Nevada or go for a hair-raising spin in a stock care around the track of the Las Vegas Motor Speedway. Check out prices for your trip to Las Vegas today using the Cheapflights smart search engine. Simply enter your dates to see all available times and prices.

If you book a flight from St. Louis to Las Vegas, you will be flying from Lambert-St Louis to Harry Reid Intl. Flights to Las Vegas Harry Reid Intl (LAS) from Lambert-St Louis (STL) take 3h 14m for a nonstop flight. There are 7 flights from Lambert-St Louis to Las Vegas per day from 5 airlines.

Yes, there are multiple flights from St. Louis to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $80, but on average you can expect to pay $98.

Cheapflights has at least 20 direct flights from St. Louis to Las Vegas under $100. A good price for a nonstop flight from St. Louis to Las Vegas is less than $142.

There are currently 20+ open flights from St. Louis to Las Vegas within the next 7 days for less than $200.

Nonstop flights can be found on the following days: Wednesday, Thursday, Friday, Saturday.

Within the past month, 169 users have taken a look at flights from Lambert-St Louis to Las Vegas Harry Reid Intl.

Per day, 20 flights depart from St. Louis to Las Vegas on average.
Early Morning (Midnight to 6am) - 25% of flight departures
Morning (6am - Noon) - 30% of flight departures
Afternoon (Noon - 6pm) - 20% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

Frontier and Spirit Airlines can get you from St. Louis to Las Vegas in just under 3h 45m. Your travel time can differ by up to 16h 07m. There are 1375 mi between St. Louis and Las Vegas. Both multi-stop and nonstop flights can be found to your destination and back.

Cheapflights users have booked flights from St. Louis to Las Vegas round-trip from $80. Another airline that can offer you cheap pricing is Spirit Airlines. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Las Vegas.

Consider Frontier (74%), Southwest (63%) or Spirit Airlines (52%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Las Vegas.

While on average a flight from St. Louis to Las Vegas is generally $175, our data shows the cheapest flight currently is $51. When looking at the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl), you can expect to pay $83 for that flight.

Lambert-St Louis Airport is STL and Las Vegas Harry Reid Intl Airport is LAS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Cheapflights helps you search for flights from St. Louis to Las Vegas via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Las Vegas by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Las Vegas flexibly with Cheapflights today.

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