Lowest Prices
Uncover the best deals on St Louis to Las Vegas flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - LAS Flights
Useful information for finding best airline tickets from Lambert St Louis International to McCarran International on your next trip.
Cheapest Round Trip Flight
$563
Southwest Airlines
• 1 stop
• 10h 10m
Mar 10 – Mar 14
The cheapest round trip flight from St Louis to Las Vegas (STL-LAS-STL) is currently $563
Cheapest One way Flight
$543
Frontier Airlines
• 3 stops
• 40h 44m
Oct 08
The cheapest one way flight from St Louis to Las Vegas (STL-LAS) is currently $543
Cheapest Direct Flight
$568
Southwest Airlines
• nonstop
• 5h 35m
Mar 10
The cheapest nonstop flight from St Louis to Las Vegas (STL-LAS) is currently $568
Fastest Flight
5h 35m
The fastest nonstop flight from St Louis to Las Vegas (STL-LAS) takes 5h 35m
Top Airlines Flying from St Louis to Las Vegas
Latest Flight Deals from St Louis (STL) to Las Vegas (LAS)
Compare and book low fare round-trip air tickets from St Louis to Las Vegas. Ideal for travelers with confirmed return itineraries.
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
10h 10m
11:30 AM - 3:40 PM • 1 stop
St Louis → Las Vegas
7h 10m
12:25 PM - 6:55 PM • 1 stop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
10h 40m
8:30 AM - 1:10 PM • 1 stop
St Louis → Las Vegas
7h 10m
12:25 PM - 6:55 PM • 1 stop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
7h 35m
8:30 AM - 11:25 AM • 1 stop
St Louis → Las Vegas
8h 25m
2:20 PM - 9:25 PM • 1 stop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
10h 10m
11:30 AM - 3:40 PM • 1 stop
St Louis → Las Vegas
5h 5m
6:40 PM - 11:45 PM • nonstop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
12h 5m
6:00 AM - 11:25 AM • 1 stop
St Louis → Las Vegas
8h 33m
4:05 PM - 11:18 PM • 1 stop
Delta Airlines
Explore competitive one-way airfare options for STL - LAS flights. Best suited for flexible or open-ended travel plans.
Flying to Las Vegas soon? We've surfaced some of the most affordable last-minute flights from St Louis to Las Vegas, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Las Vegas? These direct flight options from STL to LAS offer both convenience and value—no layovers, just straight to your destination.
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
5h 35m
11:35 AM - 1:10 PM • nonstop
St Louis → Las Vegas
5h 5m
6:40 PM - 11:45 PM • nonstop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
5h 35m
4:00 PM - 5:35 PM • nonstop
St Louis → Las Vegas
5h 5m
8:50 PM - 1:55 AM • nonstop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
5h 35m
7:50 AM - 9:25 AM • nonstop
St Louis → Las Vegas
5h 5m
6:40 PM - 11:45 PM • nonstop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
5h 35m
8:45 PM - 10:20 PM • nonstop
St Louis → Las Vegas
5h 5m
6:40 PM - 11:45 PM • nonstop
Southwest Airlines
Mar 10 - Mar 14, Economy
St Louis → Las Vegas
5h 35m
5:30 AM - 7:05 AM • nonstop
St Louis → Las Vegas
5h 5m
8:50 PM - 1:55 AM • nonstop
Southwest Airlines
FAQs on St Louis to Las Vegas Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to LAS?
The most popular airline flying from St Louis to Las Vegas are
Can I fly from STL to LAS non-stop?
Yes, you can fly STL to LAS non-stop on
Which airlines fly nonstop between St Louis and Las Vegas?
The non-stop flights between St Louis and Las Vegas are .
What’s the earliest departure time from STL to LAS Airport?
The earliest flight leaves STL at 5:10 am and lands in LAS - McCarran International
What are the airports in Las Vegas?
LAS
Can I make changes to my St Louis to Las Vegas flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to LAS?
Read the fare rules of the St Louis to Las Vegas air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Las Vegas?
operate flights between St Louis and Las Vegas
How long does a flight from St Louis to Las Vegas take?
It takes approximately 3 hour to fly non-stop from STL to LAS, which is 1371.3 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Las Vegas (LAS) ?
In the past couple of days, the cheapest tickets to LAS from STL were found on DL : USD 583
Do I need a passport to fly between STL and LAS?
No
What’s the latest departure time from STL to LAS ?
The last flight leaves STL at 8:45 pm
St Louis (STL) to Las Vegas (LAS): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | McCarran International , Las Vegas, US |
| Distance | 1371 miles |
More Flight Options for St Louis (STL) and Las Vegas (LAS)
Flights from St Louis (STL)
to Las Vegas (LAS)
Flights from St Louis (STL)
to Fort Myers (RSW)
Flights from St Louis (STL)
to Orlando (MCO)
Flights from St Louis (STL)
to Detroit (DTW)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Cancún (CUN)
Flights from St Louis (STL)
to New York (LGA)
Flights from St Louis (STL)
to New Orleans (MSY)
Flights from St Louis (STL)
to Atlanta (ATL)
Flights from St Louis (STL)
to Orlando (ORL)
Flights from St Louis (STL)
to Sarasota/Bradenton (SRQ)
Flights from St Louis (STL)
to Minneapolis (MSP)
Flights from St Louis (STL)
to Minneapolis (MSP)
Flights from St Louis (STL)
to Los Angeles (LAX)
Flights from St Louis (STL)
to Savannah (SAV)
Flights from St Louis (STL)
to Chicago (MDW)
Flights from St Louis (STL)
to Philadelphia (PHL)
Flights from St Louis (STL)
to Denver (DEN)
Flights from St Louis (STL)
to Miami (MIA)
Flights from Orlando (MCO)
to Las Vegas (LAS)
Flights from Chicago (ORD)
to Las Vegas (LAS)
Flights from Dallas (DFW)
to Las Vegas (LAS)
Flights from Dallas (DFW)
to Las Vegas (LAS)
Flights from Atlanta (ATL)
to Las Vegas (LAS)
Flights from Atlanta (ATL)
to Las Vegas (LAS)
Flights from Seattle (SEA)
to Las Vegas (LAS)
Flights from Los Angeles (LAX)
to Las Vegas (LAS)
Flights from New York (JFK)
to Las Vegas (LAS)
Flights from Jacksonville (JAX)
to Las Vegas (LAS)
Flights from Minneapolis (MSP)
to Las Vegas (LAS)
Flights from Minneapolis (MSP)
to Las Vegas (LAS)
Flights from Houston (IAH)
to Las Vegas (LAS)
Flights from Phoenix (PHX)
to Las Vegas (LAS)
Flights from Kansas City (MCI)
to Las Vegas (LAS)
Flights from Salt Lake City (SLC)
to Las Vegas (LAS)
Flights from Pittsburgh (PIT)
to Las Vegas (LAS)
Flights from Norfolk (ORF)
to Las Vegas (LAS)
Flights from Newark (EWR)
to Las Vegas (LAS)
Flights from Newark (EWR)
to Las Vegas (LAS)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Nevada (US-NV)
Cheap flights to Missouri (US-MO)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Nevada (US-NV)
Cheap flights from Missouri (US-MO)
Flights to Las Vegas (LAS)
Flights to St Louis (STL)
Flights from Las Vegas (LAS)
Flights from Las Vegas (LAS)
to St Louis (STL)
Flights from St Louis (STL)
Why Fareleaders for STL to LAS Plane Tickets
New Deals Everyday
Get the best prices on STL to LAS flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of St Louis to Las Vegas flights and secure the best deals—we never add any service fees.