Search flights from Saint Louis (STL) to Las Vegas (LAS)

Book your plane tickets from Saint Louis to Las Vegas with ease

Cheapest flights to Las Vegas

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to Las Vegas: things to know

The most popular route is from Lambert- St.Louis International Airport in Saint Louis to Harry Reid International in Las Vegas. On average this flight takes 4 hours 35 minutes one way and costs US$502 for the round trip.

Most popular route
Lambert- St.Louis International Airport (STL) to Harry Reid International (LAS)
Average flight time
4 hours 35 minutes
Average round-trip price
US$502
Fly from Saint Louis to Las Vegas
7 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Airlines that fly from Saint Louis to Las Vegas

Airline options may vary according to recently booked flights and your search terms

  • Frontier Airlines
  • Spirit Airlines
  • American Airlines
  • Southwest Airlines
  • United Airlines
  • Sun Country
  • Alaska Airlines

Frequently asked questions

Fly to more destinations from Saint Louis

Research, refine and make plans for your whole trip

All flights

Take off to your next destination! Choose from a variety of airline, route and price options for your trip.

Hotels in Las Vegas

A popular choice with visitors to the United States.

Flights to Nevada

Reaching Nevada just got easier!