Fly nonstop from St. Louis to Las Vegas for $156 round-trip, including all taxes, on Frontier Airlines.
This is a new nonstop service from Frontier beginning January 8, 2015. We found seats departing STL on Tuesday, February 17, returning from LAS on Tuesday, February 24. Other dates are also available for travel between January 8 - February 26, 2015. Avoid blackout dates of Febraury 13 & 16. This intro fare is available for purchase through 11:59pm ET on November 3, 2014.
For booking info, see our Fare Details.
Las Vegas image via Shutterstock