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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
$489
Southwest Airlines
• 1 stop
• 22h 25m
Oct 24 – Oct 30
The cheapest round trip flight from Las Vegas to St Louis (LAS-STL-LAS) is currently $489
Cheapest Direct Flight
$517
Southwest Airlines
• nonstop
• 5h 5m
Dec 09
The cheapest nonstop flight from Las Vegas to St Louis (LAS-STL) is currently $517
Fastest Flight
5h 5m
The fastest nonstop flight from Las Vegas to St Louis (LAS-STL) takes 5h 5m
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.
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
22h 25m
5:40 PM - 9:25 AM • 1 stop
Las Vegas → St Louis
17h
2:00 PM - 10:20 PM • 1 stop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
15h
10:50 PM - 9:50 AM • 1 stop
Las Vegas → St Louis
17h
2:00 PM - 10:20 PM • 1 stop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
10h
11:35 PM - 7:35 AM • 1 stop
Las Vegas → St Louis
17h
2:00 PM - 10:20 PM • 1 stop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
25h 5m
6:50 PM - 11:55 AM • 1 stop
Las Vegas → St Louis
5h 30m
12:55 PM - 2:25 PM • nonstop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
5h 10m
5:45 PM - 10:55 PM • nonstop
Las Vegas → St Louis
5h 30m
6:20 PM - 7:50 PM • nonstop
Southwest Airlines
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.
Dec 09 - Dec 12, Economy
Las Vegas → St Louis
5h 5m
4:15 PM - 9:20 PM • nonstop
Las Vegas → St Louis
5h 35m
1:20 PM - 2:55 PM • nonstop
Southwest Airlines
Dec 09 - Dec 12, Economy
Las Vegas → St Louis
5h 5m
6:05 PM - 11:10 PM • nonstop
Las Vegas → St Louis
5h 35m
1:20 PM - 2:55 PM • nonstop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
5h 10m
5:45 PM - 10:55 PM • nonstop
Las Vegas → St Louis
5h 30m
6:20 PM - 7:50 PM • nonstop
Southwest Airlines
Oct 24 - Oct 30, Economy
Las Vegas → St Louis
5h 10m
3:30 PM - 8:40 PM • nonstop
Las Vegas → St Louis
5h 30m
6:20 PM - 7:50 PM • nonstop
Southwest Airlines
Dec 09 - Dec 12, Economy
Las Vegas → St Louis
5h 5m
12:20 PM - 5:25 PM • nonstop
Las Vegas → St Louis
5h 30m
8:45 AM - 10:15 AM • 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 9:35 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 DL : USD 1286
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 11:35 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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