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

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The best prices from Lambert-St Louis Intl to Las Vegas 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
Lambert-St Louis Intl (STL) to Las Vegas (LAS)

All the information you need to plan the best STL to LAS flight in 2021: compare Lambert-St Louis Intl to Las Vegas flight prices with the expected peak season, weather and rainfall in Las Vegas.
STL - LAS
Price
$152 - $206
LAS
Temperature
59 - 105.8 °F
LAS
Rainfall
0.1 - 0.9 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 Intl to Las Vegas

One-way from

$94

One-way flight from Lambert-St Louis Intl 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 Lambert-St Louis Intl to Las Vegas?

Users have found that flying from Lambert-St Louis Intl to Las Vegas on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save on the cost of your flight from Lambert-St Louis Intl to Las Vegas, book at least 24 days before your planned departure. Booking around this time can save you about 18% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $262 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $304.

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

August is one of the best times of the year to fly to Las Vegas from Lambert-St Louis Intl. Prices for August average $260 per person but you can even find prices for as low as $64. The most expensive prices can be found in the month of December. Opting for a August flight can save you 25% on your journey compared to booking in August

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

When flying from Lambert-St Louis Intl to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 46% versus a flight in the morning.

Cheap flights from Lambert-St Louis Intl to Las Vegas in May, June 2021

The best prices found for STL to LAS flights for May, June
7 Jun - 16 Jun
$73pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
14 Jun - 16 Jun
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jun - 15 Jun
$80pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis

Lambert-St Louis Intl to Las Vegas 2021 flight deals

Cheap flights to Las Vegas from Lambert-St Louis Intl found for this year
7 Jun - 16 Jun
$73pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
14 Jun - 16 Jun
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jun - 15 Jun
$80pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis

Non-stop flights to Las Vegas from Lambert-St Louis Intl

Save time with Lambert-St Louis Intl to Las Vegas direct flight deals
7 Jun - 16 Jun
$73pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
14 Jun - 16 Jun
$79pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
12 Jun - 15 Jun
$80pp
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis

Last minute flights from Lambert-St Louis Intl to Las Vegas

Late deals on round-trip flights to Las Vegas from Lambert-St Louis Intl, departing today and this week
17 May - 27 May
$108pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
16 May - 21 May
$116pp
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
16 May - 19 May
$131pp
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis

One-way flights to Las Vegas from Lambert-St Louis Intl

The cheapest one-way flights from Lambert-St Louis Intl to Las Vegas
2:11 pm - 3:41 pm
Frontier
Nonstop
3h 30m
STL - LAS
Frontier
$94
BudgetAir
6:50 pm - 2:56 am
Multiple Airlines
1 Stop
10h 06m
STL - LAS
Multiple Airlines
$104
Kiwi.com
6:16 am - 6:42 pm
Spirit Airlines
1 Stop
14h 26m
STL - LAS
Spirit Airlines
$109
Gotogate

Related info for your journey

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

Flight FAQs

From Lambert-St Louis Intl 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.

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.

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 26m for a nonstop flight. There are 4 flights from Lambert-St Louis to Las Vegas per day from 8 airlines.

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

Yes, there are multiple flights from Lambert-St Louis Intl to Las Vegas for under $100. The cheapest flight booked recently is on Multiple Airlines for just $73, but on average you can expect to pay $90.

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

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

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

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

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

Days when nonstop flights are available for this flight are: Wednesday, Saturday.

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.

How many flights depart from Lambert-St Louis Intl to Las Vegas on average per day?

On average, you can expect to see 2 flights from Lambert-St Louis to Las Vegas McCarran a day.
Afternoon (Noon - 6pm) - 100% of flight departures

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 18 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 Lambert-St Louis Intl to Las Vegas?

For as low as $96, Spirit Airlines can have you in Las Vegas from Lambert-St Louis Intl in 3h 26m. The distance between Lambert-St Louis Intl and Las Vegas is about 1375 mi. Most flights are nonstop.

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

Currently priced at $79, Frontier will fly you from Lambert-St Louis Intl to Las Vegas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $93. These flights start at 56% lower than the current average price 3 months from now.

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

One-way options have recently been found by users for as low as $39 on Spirit Airlines. Another option is Frontier, who have fights from $43.

Alternative routes for Lambert-St Louis Intl 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 Lambert-St Louis Intl to Las Vegas.
Flight duration
3h 22m
Average temperature for May in Las Vegas
91.4 °F
Avg rainfall for May in Las Vegas
0.1 ″

Airports servicing St. Louis

Airports servicing Las Vegas

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

The chart below displays the airlines Cheapflights users traveling from Lambert-St Louis Intl 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%
Frontier
$77 $189 No cancel fee 62%
United Airlines
$67 $215 No cancel fee 69%
Allegiant Air
$150 $244 No cancel fee 88%
American Airlines
$120 $275 No cancel fee 71%
Delta
$127 $302 No cancel fee N/A
Southwest
$184 $470 No cancel fee 63%

Hourly flight availability from Lambert-St Louis Intl to Las Vegas

See what time of day planes typically take off from Lambert-St Louis Intl towards Las Vegas.
Afternoon Noon to 6 PM 52% of STL to LAS departures
Morning 6 AM to noon 38% of STL to LAS departures
Early morning Midnight to 6 AM 10% 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 Lambert-St Louis Intl to Las Vegas
See how many times per day planes take to the skies headed from Lambert-St Louis Intl to Las Vegas.
Sunday
8 daily flights
Monday
8 daily flights
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
7 daily flights
Friday
8 daily flights
Saturday
1 daily flight
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