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

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The best prices from St Louis to Las Vegas are usually found in February or January, booked 60 days in advance, depart on a Sunday or Monday and return on a Wednesday

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

STL - LAS
Price
$136 - $227
LAS
Temperature
59 - 105.8 °F
LAS
Rainfall
0.1 - 0.9 inches
Popular in July High demand for flights, 19% potential price rise
Cheapest in February Best time to find cheap flights, 26% potential price drop
Round-trip from $136 From St Louis to Las Vegas
One-way from $123 One-way flight from St Louis to Las Vegas
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Las Vegas?

Flights from St Louis to Las Vegas are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Las Vegas.

How far in advance should I book a flight from St Louis to Las Vegas?

To save on the cost of your flight from St Louis to Las Vegas, book at least 56 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $302 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $331.

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

February can be a great time to fly to Las Vegas from St Louis with a flight ticket averaging about $296. Cheapflights users have found deals in the month of February for as cheap as $139. The most expensive prices can be found in the month of July.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 43% on flights from St Louis to Las Vegas by exploring options for tickets in the noon.

Cheap flights from St Louis to Las Vegas in August, September 2020

The best prices found for STL to LAS flights for August, September
3 Aug - 6 Aug
$108pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
3 Aug - 6 Aug
$109pp
STL
Lambert-St Louis
Sun Country Air
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
2 Aug - 6 Aug
$114pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 STOP
STL
Lambert-St Louis

St Louis to Las Vegas 2020 flight deals

Cheap flights to Las Vegas from St Louis found for this year
3 Aug - 6 Aug
$108pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
3 Aug - 6 Aug
$109pp
STL
Lambert-St Louis
Sun Country Air
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
2 Aug - 6 Aug
$114pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
 
1 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
5 Nov - 11 Nov
$124pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
28 Aug - 30 Aug
$125pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
Non-Stop
STL
Lambert-St Louis
3 Sep - 6 Sep
$129pp
STL
Lambert-St Louis
Sun Country Air
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Sun Country Air
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 Jul - 31 Jul
$127pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
26 Jul - 29 Jul
$130pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
27 Jul - 29 Jul
$138pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Las Vegas from St Louis

The cheapest one-way flights from St Louis to Las Vegas
3:35 am - 1:40 pm
Allegiant Air
2 Stops
12h 05m
STL - LAS
Allegiant Air
$123
Ovago
2:10 am - 12:40 pm
Spirit Airlines
2 Stops
12h 30m
STL - LAS
Spirit Airlines
$141
Ovago
7:00 am - 1:41 pm
Sun Country Air
1 Stop
8h 41m
STL - LAS
Sun Country Air
$153
FlightNetwork

Related info for your journey

Useful info, stats and facts about St Louis to Las Vegas flights.

Flight FAQs

From St Louis to Las Vegas

Are flight prices decreasing from St Louis to Las Vegas due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Las Vegas for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Las Vegas for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Las Vegas for under $200. The cheapest flight booked recently is on Multiple Airlines for just $108, but on average you can expect to pay $124.

Are there nonstop flights from St Louis to Las Vegas for under $200 on Cheapflights?

Cheapflights has at least 15 direct flights from St Louis to Las Vegas under $200. A good price for a nonstop flight from St Louis to Las Vegas is less than $168.

Are there last-minute flights available from St Louis to Las Vegas for under $200?

There are currently 20+ open flights from St Louis to Las Vegas within the next 7 days for less than $200.

How popular is this flight route?

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

Does it rain more in St Louis or Las Vegas?

Expected rainfall in St Louis is less than in Las Vegas. You can expect this to be the case over the next 12 days.

Is St Louis weather warmer or cooler than Las Vegas?

Our data indicates that the weather will be 106 °F on average in the month of July. The temperature in Las Vegas is typically hotter than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

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

A quick flight from St Louis to Las Vegas can take about 3h 38m. Sun Country Air provides one of the quickest options available for as low as $154. All flights are typically nonstop.

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

Our cheapest airline available from St Louis to Las Vegas is Sun Country Air. Our recent data shows that you can find tickets from as low as $109 on this airline. Users have found that Sun Country Air is 40% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from St Louis to Las Vegas one-way?

For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $54. Users have also found prices from $113 and $123 on Sun Country Air and Delta, respectively.

Alternative routes for St Louis to Las Vegas

Destination information for Las Vegas

Things to know before you go. Useful info for your trip from St Louis to Las Vegas
Flight duration
3h 22m
Average temperature for August in Las Vegas
104.0 °F
Avg rainfall for August in Las Vegas
0.4 ″

Airports servicing St. Louis

Airports servicing Las Vegas

Hourly flight availability from St Louis to Las Vegas

Morning 6 AM to noon 47% of STL to LAS departures
Early morning Midnight to 6 AM 26% of STL to LAS departures
Afternoon Noon to 6 PM 18% of STL to LAS departures
Evening 6 PM to midnight 9% of STL to LAS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St Louis to Las Vegas
Sunday
5 daily flights
Monday
8 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
8 daily flights
Friday
8 daily flights
Saturday
3 daily flights
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