$54+ Cheap flights from St. Louis to Las Vegas (STL - LAS)

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.

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 30m for a nonstop flight. There are 5 flights from Lambert-St Louis to Las Vegas per day from 8 airlines.

Within the past month, 156 users have taken a look at flights from Lambert-St Louis to Las Vegas Harry Reid Intl.

Southwest and Alaska Airlines can get you from St. Louis to Las Vegas in just under 3h 45m. Your travel time can differ by up to 5h 40m. There are 1367 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 $104. Other airlines that can offer you cheap pricing are Frontier, from $112, and Spirit Airlines, from $120. Allegiant Air is priced at 65% lower than the current average price of a flight leaving 3 months from now.

Consider Southwest (76%), Frontier (73%) or Sun Country Air (0%) 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 $264, our data shows the cheapest flight currently is $69. When looking at the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl), you can expect to pay $156 for that flight.

Yes. In addition to deals on St. Louis to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Las Vegas.

Yes. Cheapflights offers flight deals from St. Louis to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, March is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of $106). Flying from St. Louis to Las Vegas in July is currently the most expensive (average of $194). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.