Skip to main content
Beginning of main content

Cheap Flights from St. Louis to Las Vegas $76.2

Search over 282,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from St. Louis to Las Vegas (STL to LAS)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Las Vegas (STL to LAS)

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : December 12th offers bookings (as of December 5th) that are 35% below the average price for this route. Saving on booking fees means you'll have more money in hand for the trip.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : In December, Monday is your lowest-cost day to fly. Being flexible with your travel days garners you even more savings during your booking.

Question : For STL to LAS, how many departure times are there on a given day?
Answer : On average, there are 16 options. You won't have as many options on this route as most others.

Question : Is there a day that has more departure times to choose from than other days?
Answer : When you're flying from STL to LAS, the day with the most flight times is Wednesday, with 86 different options. Note that Sunday offers the least number of options with 61 flight times.

Question : How long do most people stay in Las Vegas when they fly in from Saint Louis?
Answer : Over the next two months, passengers from STL to LAS are planning on staying for four days on average.

Question : Who struggles with getting their passengers to McCarran International Airport (LAS) on time?
Answer : Frontier Airlines flights from STL to LAS are late 15% of the time. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.

Question : About how long is the flight from Saint Louis to Las Vegas?
Answer : This flight takes 33 minutes on average.