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Uncover the best deals on Las Vegas to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest LAS - STL Flights
Useful information for finding best airline tickets from McCarran International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$424
American Airlines
• 1 stop
• 10h 34m
Aug 21 – Aug 23
The cheapest round trip flight from Las Vegas to St Louis (LAS-STL-LAS) is currently $424
Cheapest One way Flight
$191
United Airlines
• 1 stop
• 22h 11m
Aug 08
The cheapest one way flight from Las Vegas to St Louis (LAS-STL) is currently $191
Cheapest Direct Flight
$444
Frontier Airlines
• nonstop
• 5h 25m
Aug 21
The cheapest nonstop flight from Las Vegas to St Louis (LAS-STL) is currently $444
Fastest Flight
5h 10m
The fastest nonstop flight from Las Vegas to St Louis (LAS-STL) takes 5h 10m
Top Airlines Flying from Las Vegas to St Louis
Latest Flight Deals from Las Vegas (LAS) to St Louis (STL)
Compare and book low fare round-trip air tickets from Las Vegas to St Louis. Ideal for travelers with confirmed return itineraries.
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
10h 34m
11:50 PM - 8:24 AM • 1 stop
Las Vegas → St Louis
10h 10m
5:42 AM - 9:52 AM • 1 stop
American Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
10h 42m
6:00 AM - 2:42 PM • 1 stop
Las Vegas → St Louis
9h 3m
8:00 AM - 11:43 AM • 1 stop
American Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 25m
12:25 PM - 5:50 PM • nonstop
Las Vegas → St Louis
5h 35m
6:45 PM - 8:20 PM • nonstop
Frontier Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 25m
12:25 PM - 5:50 PM • nonstop
Las Vegas → St Louis
9h 9m
7:58 PM - 11:47 PM • 1 stop
Frontier Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
8h 40m
5:20 AM - 12:40 PM • 1 stop
Las Vegas → St Louis
8h 46m
1:36 PM - 5:02 PM • 1 stop
United Airlines
Explore competitive one-way airfare options for LAS - STL flights. Best suited for flexible or open-ended travel plans.
Flying to St Louis soon? We've surfaced some of the most affordable last-minute flights from Las Vegas to St Louis, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to St Louis? These direct flight options from LAS to STL offer both convenience and value—no layovers, just straight to your destination.
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 25m
12:25 PM - 5:50 PM • nonstop
Las Vegas → St Louis
5h 35m
6:45 PM - 8:20 PM • nonstop
Frontier Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 10m
7:25 PM - 12:35 AM • nonstop
Las Vegas → St Louis
5h 25m
5:50 AM - 7:15 AM • nonstop
Southwest Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 15m
12:50 PM - 6:05 PM • nonstop
Las Vegas → St Louis
5h 25m
8:25 AM - 9:50 AM • nonstop
Southwest Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 10m
8:30 AM - 1:40 PM • nonstop
Las Vegas → St Louis
5h 25m
5:50 AM - 7:15 AM • nonstop
Southwest Airlines
Aug 21 - Aug 23, Economy
Las Vegas → St Louis
5h 10m
6:55 AM - 12:05 PM • nonstop
Las Vegas → St Louis
5h 25m
2:35 PM - 4:00 PM • nonstop
Southwest Airlines
FAQs on Las Vegas to St Louis Flights
What are the airports in Las Vegas?
LAS
What’s the most popular airline flying from LAS to STL?
The most popular airline flying from Las Vegas to St Louis are
Can I fly from LAS to STL non-stop?
Yes, you can fly LAS to STL non-stop on
Which airlines fly nonstop between Las Vegas and St Louis?
The non-stop flights between Las Vegas and St Louis are .
What’s the earliest departure time from LAS to STL Airport?
The earliest flight leaves LAS at 5:20 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Las Vegas to St Louis 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 LAS to STL?
Read the fare rules of the Las Vegas to St Louis 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 Las Vegas and St Louis?
operate flights between Las Vegas and St Louis
How long does a flight from Las Vegas to St Louis take?
It takes approximately 3 hour to fly non-stop from LAS to STL, which is 1371.3 miles by air.
Which airlines provide the cheapest flights from Las Vegas (LAS) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from LAS were found on WN : USD 192
Do I need a passport to fly between LAS and STL?
No
What’s the latest departure time from LAS to STL ?
The last flight leaves LAS at 7:0300 pm
Las Vegas (LAS) to St Louis (STL): Airport Information
| Origin Airport | McCarran International , Las Vegas, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 1371 miles |
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