$30 Find Cheap Flights from St. Louis to Las Vegas

App

Help

USD

Search Bookings

Trip.com

Flights

Flights to United States

Flights to Las Vegas

Flights from St. Louis to Las Vegas

Hotels in Las Vegas

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Flights from St. Louis to Las Vegas Starting at $30

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from St. Louis to Las Vegas?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from St. Louis to Las Vegas

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From $30

Spirit Airlines

From $40

American Airlines

From $110

Sun Country Airlines

From $114

United Airlines

From $129

Delta Air Lines

From $132

Alaska Airlines

From $148

Southwest Airlines

From $154

Southern Airways Express

From $188

ANA airlines

Find more flights and airlines

Alternative Cheap Routes from St. Louis to Las Vegas

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Las Vegas.

Cheapest
STL
19:51
3h 43m
Direct
LAS
21:34
St. Louis Lambert International Airport - Harry Reid International Airport
Tue, May 7Frontier Airlines
$30
STL
19:51
3h 43m
Direct
LAS
21:34
St. Louis Lambert International Airport - Harry Reid International Airport
Tue, May 7Frontier Airlines
$30
Find More Flights

Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Las Vegas (LAS) the cheapest?
Airlines adjust prices for flights from St. Louis to Las Vegas based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Las Vegas (LAS) cost?
According to Trip.com's data, the lowest price is around $333.
How long does it take to fly from St. Louis (STL) to Las Vegas (LAS) and what is the distance?
It takes around 4 hours 14 minutes to fly from St. Louis (STL) to Las Vegas (LAS).
What are the most popular airlines that fly from St. Louis (STL) to Las Vegas (LAS)?
Airlines with flights from St. Louis (STL) to Las Vegas (LAS): Southwest Airlines, Volaris, United Airlines, Spirit Airlines and Frontier Airlines.

How to find a cheap flight from St. Louis to Las Vegas

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Las Vegas. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Travel Info | St. Louis to Las Vegas

Cheapest nonstop flight price	$30
Cheapest round-trip ticket price	$59
Off-season for travel	April
Peak season for travel	October
Flight distance	2,219.31km
Average flight time	4 hours 14 minutes
Popular airline	American Airlines