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

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

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

LAS - STL
Price
$117 - $199
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

July

High demand for flights, 26% potential price rise

Cheapest in

June

Best time to find cheap flights, 21% potential price drop

Round-trip from

$117

From Las Vegas to St Louis

One-way from

$110

One-way flight from Las Vegas to St Louis

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 Las Vegas to St Louis?

Sunday flights are found to be more expensive to fly from Las Vegas to St Louis. 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 St Louis.

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

Travelers have found it’s best to book a flight 31 days in advance to save up to 96% 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 31 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 Las Vegas to St Louis 1-2 weeks in advance for as low as $374, or $553 for flights within the next 24 hours.

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

August can be a great time to fly to St Louis from Las Vegas with a flight ticket averaging about $266. Cheapflights users have found deals in the month of August for as cheap as $158. The most expensive prices can be found in the month of December.

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

One of the essential ways to save on airfare from Las Vegas to St Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

Cheap flights from Las Vegas to St Louis in December, January 2021

The best prices found for LAS to STL flights for December, January
16 Jan - 18 Jan
$121pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
18 Dec - 21 Dec
$127pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
30 Dec - 4 Jan
$129pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran

Las Vegas to St Louis 2021 flight deals

Cheap flights to St Louis from Las Vegas found for this year
18 Dec - 21 Dec
$127pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
30 Dec - 4 Jan
$129pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
9 Dec - 14 Dec
$134pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran

Non-stop flights to St Louis from Las Vegas

Save time with Las Vegas to St Louis direct flight deals
11 Dec - 14 Dec
$162pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
11 Dec - 13 Dec
$177pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran
11 Dec - 18 Dec
$187pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
Non-Stop
LAS
Las Vegas McCarran

Last minute flights from Las Vegas to St Louis

Late deals on round-trip flights to St Louis from Las Vegas, departing today and this week
10 Dec - 13 Dec
$134pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
11 Dec - 14 Dec
$142pp
LAS
Las Vegas McCarran
Frontier
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran
10 Dec - 13 Dec
$143pp
LAS
Las Vegas McCarran
Frontier
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
LAS
Las Vegas McCarran

One-way flights to St Louis from Las Vegas

The cheapest one-way flights from Las Vegas to St Louis
7:59 pm - 10:10 am
Multiple Airlines
2 Stops
36h 11m
LAS - STL
Multiple Airlines
$110
Kiwi.com
1:35 am - 11:00 am
American Airlines
1 Stop
7h 25m
LAS - STL
American Airlines
7:15 pm - 4:38 am
Delta
1 Stop
7h 23m
LAS - STL
Delta
$113
Delta

Related info for your journey

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

Flight FAQs

From Las Vegas to St Louis

Are flight prices decreasing from Las Vegas to St Louis 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 Las Vegas and St Louis 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.

What safety measures are being taken by airlines flying from Las Vegas McCarran to Lambert-St Louis to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Las Vegas McCarran to Lambert-St Louis. Policies will vary by airline.

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

Frontier, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Las Vegas to St Louis for under $200. The cheapest flight booked recently is on Frontier for just $121, but on average you can expect to pay $147.

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

Cheapflights has at least 7 direct flights from Las Vegas to St Louis under $200. A good price for a nonstop flight from Las Vegas to St Louis is less than $229.

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

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

How popular is this flight route?

Within the past month, 131 users have taken a look at flights from Las Vegas McCarran to Lambert-St Louis.

Does it rain more in Las Vegas or St Louis?

Expected rainfall in Las Vegas is more than in St Louis. You can expect this to be the case over the next 4 days.

Is Las Vegas weather warmer or cooler than St Louis?

Temperatures around the 106 °F's can be experienced in July. The weather in St Louis is colder than in Las Vegas. Plan for potential changes in flight availability as peak weather approaches in this location.

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

Frontier can get you from Las Vegas to St Louis in just under 3h 04m. Your travel time will be generally consistent. Most flights are nonstop.

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

Cheapflights users have booked flights from Las Vegas to St Louis round-trip from $121. Frontier is 18% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $54. Users have also found prices from $112 and $113 on Frontier and American Airlines, respectively.

Alternative routes for Las Vegas to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Las Vegas to St Louis
Average temperature for December in St Louis
46.4 °F
Avg rainfall for December in St Louis
2.5 ″

Airports servicing Las Vegas

Airports servicing St. Louis

Top 5 airlines from Las Vegas to St Louis

The chart below displays the airlines Cheapflights users traveling from Las Vegas to St Louis 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
$53 $118 N/A 83%
Frontier
$73 $167 No cancel fee 62%
United Airlines
$67 $268 No cancel fee 69%
American Airlines
$107 $280 No cancel fee 71%
Delta
$128 $317 No cancel fee N/A

Hourly flight availability from Las Vegas to St Louis

Morning 6 AM to noon 59% of LAS to STL departures
Afternoon Noon to 6 PM 33% of LAS to STL departures
Early morning Midnight to 6 AM 8% of LAS to STL departures
Evening 6 PM to midnight 0% of LAS to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Las Vegas to St Louis
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
1 daily flight
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