Cheap flights from St. Louis to Las Vegas (STL - LAS)

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The best prices from Lambert-St Louis to Las Vegas McCarran are usually found in September or January, booked 56 days in advance, depart on a Sunday or Monday and return on a Thursday

How to find the cheapest flight from
St. Louis (STL) to Las Vegas (LAS)

All the information you need to plan the best STL to LAS flight in 2021: compare St. Louis to Las Vegas flight prices with the expected peak season, weather and rainfall in Las Vegas.
STL - LAS
Price
$152 - $206
LAS
Temperature
48.2 - 93.2 °F
LAS
Precipitation
0.1 - 0.8 inches

Popular in

March

High demand for flights, 12% potential price rise

Cheapest in

September

Best time to find cheap flights, 16% potential price drop

Round-trip from

$152

From Lambert-St Louis to Las Vegas McCarran

One-way from

$61

One-way flight from Lambert-St Louis to Las Vegas McCarran

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from St. Louis to Las Vegas?

Travelers have found it’s best to book a flight 25 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Las Vegas 1-2 weeks in advance for as low as $177, or $216 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from St. Louis to Las Vegas?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 77% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from St. Louis to Las Vegas (STL - LAS)?

It’s typically best to fly out from St. Louis to Las Vegas at noon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest month to fly from St. Louis to Las Vegas?

September can be a great time to fly to Las Vegas from St. Louis with a flight ticket averaging about $181. Cheapflights users have found deals in the month of September for as cheap as $113. The most expensive prices can be found in the month of March.

Cheap flights from St. Louis to Las Vegas in October, November 2021

The best prices found for STL to LAS flights for October, November
19 Oct - 21 Oct
$79pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
9 Nov - 12 Nov
$82pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
3 Nov - 6 Nov
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Lambert-St Louis to Las Vegas 2021 flight deals

Cheap flights to Las Vegas from St. Louis found for this year
19 Oct - 21 Oct
$79pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
9 Nov - 12 Nov
$82pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
3 Nov - 6 Nov
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Non-stop flights to Las Vegas from St. Louis

Save time with St. Louis to Las Vegas direct flight deals
27 Oct - 3 Nov
$79pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
9 Nov - 12 Nov
$82pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
3 Nov - 6 Nov
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from St. Louis to Las Vegas

Late deals on round-trip flights to Las Vegas from St. Louis, departing today and this week
26 Oct - 2 Nov
$79pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
24 Oct - 28 Oct
$82pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
26 Oct - 28 Oct
$83pp
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis

One-way flights to McCarran from St. Louis

The cheapest one-way flights from St. Louis to Las Vegas
5:39 am - 5:54 pm
Multiple Airlines
1 Stop
14h 15m
STL - LAS
Multiple Airlines
$61
Kiwi.com
3:01 pm - 7:09 pm
Frontier
1 Stop
6h 08m
STL - LAS
Frontier
$65
Kiwi.com
3:00 am - 8:05 pm
Spirit Airlines
1 Stop
19h 05m
STL - LAS
Spirit Airlines
$82
FareScan

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Las Vegas</span> flights.

Flight FAQs

From St. Louis to Las Vegas

What airports do I use to fly from St. Louis to Las Vegas?

If you book a flight from St. Louis to Las Vegas, you will be flying from Lambert-St Louis to McCarran. Flights to Las Vegas McCarran (LAS) from Lambert-St Louis (STL) take 3h 09m for a nonstop flight. There are 7 flights from Lambert-St Louis to Las Vegas per day from 8 airlines.

Which airlines flying from Lambert-St Louis to Las Vegas McCarran have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Las Vegas McCarran that may be offering flexible cancellation policies are Frontier, Sun Country Air, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St. Louis to Las Vegas for under $100 on Cheapflights?

Yes, there are multiple flights from St. Louis to Las Vegas for under $100. The cheapest flight booked recently is on Spirit Airlines for just $79, but on average you can expect to pay $90.

Are there nonstop flights from St. Louis to Las Vegas for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from St. Louis to Las Vegas under $100. A good price for a nonstop flight from St. Louis to Las Vegas is less than $90.

Are there last-minute flights available from St. Louis to Las Vegas for under $100?

There are currently 20+ open flights from St. Louis to Las Vegas within the next 7 days for less than $100.

What days are nonstop flights available from St. Louis to Las Vegas?

Nonstop flights can be found on the following days: Thursday.

How popular is this St. Louis to Las Vegas flight route?

Within the past month, 1,161 users have taken a look at flights from Lambert-St Louis to Las Vegas McCarran.

How many flights depart from St. Louis to Las Vegas on average per day?

Per day, 1 flight departs from St. Louis to Las Vegas on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from St. Louis to Las Vegas?

Spirit Airlines and Frontier can get you from St. Louis to Las Vegas in just under 3h 28m. Your travel time will be generally consistent. There are 1375 mi between St. Louis and Las Vegas. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from St. Louis to Las Vegas round-trip?

Cheapflights users have booked flights from St. Louis to Las Vegas round-trip from $79. Another airline that can offer you cheap pricing is Frontier. Spirit Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

What are the most reliable airlines from St. Louis to Las Vegas?

Consider Frontier (85%), Spirit Airlines (74%) or Southwest (69%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Las Vegas.

What are the cheapest flights from St. Louis to Las Vegas?

While on average a flight from St. Louis to Las Vegas is generally $512, our data shows the cheapest flight currently is $48. When looking at the most popular route, (Lambert-St Louis - Las Vegas McCarran), you can expect to pay $79 for that flight.

What are the most popular airlines that fly from St. Louis to Las Vegas?

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Las Vegas.

How long is the flight from St. Louis to Las Vegas?

The flight from St. Louis to Las Vegas usually takes less than three hours, so you can get checked into your hotel and ready to see the sites in no time.

Which airlines operate flights from St. Louis to Las Vegas?

Two airlines fly between St. Louis and Las Vegas. Southwest Airlines operates the bulk of nonstop flights, and Frontier Airlines also offers direct service between the two cities.

How frequent are flights between St. Louis to Las Vegas?

Airline schedules to Las Vegas vary based on the day of the week, but on most days, you can choose from a minimum of four direct flights from St. Louis.

Which airports serve St. Louis to Las Vegas?

In St. Louis, your flight will depart from the St. Louis Lambert International Airport. If you want to leave your car at home, take the GO BEST airport shuttle or ride the MetroLink light rail from the city to the terminal. Your flight to Vegas arrives at the Las Vegas McCarran International Airport, which lies just a few miles from the iconic Strip.

Which direct flight route between St. Louis to Las Vegas is cheapest?

Of the two airlines that fly the St. Louis to Las Vegas route, Frontier tends to offer lower prices. Before you book, be sure to check baggage fees, as they can add a large amount to the final ticket price. Every inch of Las Vegas is designed to make an impression. Start your trip off with a bang by jumping off the edge of the Stratosphere casino and falling 829 feet on the heart-pounding Sky Jump. Closer to the south end of the Strip, get a thrill on the roller coaster that runs over the New York New York casino. Want to stay close to the earth? Opt for a boat ride through the canals of the elegant Venetian hotel and casino. When you're ready for a break from gambling, check out the Hispanic Museum of Nevada or go for a hair-raising spin in a stock care around the track of the Las Vegas Motor Speedway. Check out prices for your trip to Las Vegas today using the Cheapflights smart search engine. Simply enter your dates to see all available times and prices.

COVID Restrictions

View COVID Travel Restrictions for Las Vegas, NV

Do I need a COVID test to fly to Las Vegas from St. Louis?

Information is based on travel restrictions for travel to Las Vegas McCarran within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Las Vegas McCarran.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Las Vegas McCarran.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Las Vegas McCarran.

Do I need a test to fly back to St. Louis from Las Vegas?

Returning to Lambert-St Louis from Las Vegas McCarran

COVID-19 testing requirements
Visitors from Las Vegas McCarran must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Las Vegas McCarran are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Las Vegas, NV

Alternative routes for St. Louis to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Las Vegas

Things to know before you go - useful duration and weather info for your trip from St. Louis to Las Vegas.
Flight duration from STL to LAS
3h 23m
Average temperature for October in Las Vegas
82.4 °F
Avg rainfall for October in Las Vegas
0.3 ″

Airports servicing St. Louis

Airports servicing Las Vegas

Top 7 airlines flying from Lambert-St Louis to Las Vegas McCarran

The chart below displays the airlines Cheapflights users traveling from St. Louis to Las Vegas choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Sun Country Air
$58 $149 No cancel fee 83%
United Airlines
$67 $215 No cancel fee 69%
Frontier
$77 $189 No cancel fee 62%
American Airlines
$120 $275 No cancel fee 71%
Delta
$127 $302 No cancel fee N/A
Allegiant Air
$150 $244 No cancel fee 88%
Southwest
$184 $470 No cancel fee 63%

Hourly flight availability from St. Louis to Las Vegas

See what time of day planes typically take off from St. Louis towards Las Vegas.
Afternoon Noon to 6 PM 81% of STL to LAS departures
Early morning Midnight to 6 AM 10% of STL to LAS departures
Morning 6 AM to noon 9% of STL to LAS departures
Evening 6 PM to midnight 0% of STL to LAS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St. Louis to Las Vegas
See how many times per day planes take to the skies headed from St. Louis to Las Vegas.
Sunday
1 daily flight
Monday
10 daily flights
Tuesday
8 daily flights
Wednesday
8 daily flights
Thursday
10 daily flights
Friday
11 daily flights
Saturday
2 daily flights
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