Search & Compare - St Louis to Las Vegas Flights & Tickets

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Find Cheap Flights from St Louis to Las Vegas STL LAS

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Las Vegas? Find the biggest savings on one-way and round-trip tickets right here.

Recent airfare deals on St Louis to Las Vegas

Southwest Airlines  WN
Southwest Airlines
St Louis
2025-06-23
Las Vegas
USD 87

One-way WN Nonstop fare found on 2025-06-05
Southwest Airlines  WN
Southwest Airlines
St Louis
2025-06-23
Las Vegas
USD 118

One-way WN fare found on 2025-06-05
Frontier Airlines  F9
Frontier Airlines
St Louis
2025-06-23
Las Vegas
USD 135

One-way F9 fare found on 2025-06-05
Frontier Airlines  F9
Frontier Airlines
St Louis
2025-06-23
Las Vegas
USD 141

One-way F9 fare found on 2025-06-05
American Airlines  AA
American Airlines
St Louis
2025-06-23
Las Vegas
USD 142

One-way AA fare found on 2025-06-05
American Airlines  AA
American Airlines
St Louis
2025-06-23
Las Vegas
USD 242

One-way AA fare found on 2025-06-05
American Airlines  AA
American Airlines
St Louis
2025-06-23
Las Vegas
USD 242

One-way AA fare found on 2025-06-05
American Airlines  AA
American Airlines
St Louis
2025-06-23
Las Vegas
USD 430

One-way AA fare found on 2025-06-05
Alaska Airlines  AS
Alaska Airlines
St Louis
2025-06-23
Las Vegas
USD 467

One-way AS fare found on 2025-06-05
Alaska Airlines  AS
Alaska Airlines
St Louis
2025-06-23
Las Vegas
USD 467

One-way AS fare found on 2025-06-05


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from St Louis to Las Vegas

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 American Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, Frontier Airlines, United Airlines, Alaska Airlines, Delta Airlines
Can I fly from STL to LAS non-stop?
Yes, you can fly STL to LAS non-stop on Southwest Airlines, Frontier Airlines
Which airlines fly nonstop between St Louis and Las Vegas?
The non-stop flights between St Louis and Las Vegas are Southwest Airlines, Frontier Airlines.
What’s the earliest departure time from STL to LAS Airport?
The earliest flight leaves STL at 5:00 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?
Oneworld, NULL, NULL, NULL, NULL, Star Alliance, Oneworld, SkyTeam 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 Southwest Airlines : USD 118
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 10:30 pm

Flights from St Louis to Las Vegas

Origin AirportLambert St Louis International , St Louis, US
Destination AirportMcCarran International , Las Vegas, US
Served by AirlinesAmerican Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, Frontier Airlines, United Airlines, Alaska Airlines, Delta Airlines
Lowest PriceSouthwest Airlines : USD 118
Distance1371 miles

Airlines Flying from Lambert St Louis International

Popular Routes

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