The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to Las Vegas

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of December. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: 14 Dec - 20 Dec

Flights from just £108

£174

£120

£150

£108

NovemberDecember

Flight Duration3 h and 52 mFlights between St Louis, MO and Las Vegas take, on average, 3 h and 52 m minutes, but the time can vary according to other factors

Cheapest flight£81Cheapest price for a flight between St Louis, MO and Las Vegas found by our customers in the last 72 hours

Origin airportSt. Louis Lambert International AirportWhen flying from St Louis, MO to Las Vegas

Destination airportHarry Reid International AirportFor the route from St Louis, MO to Las Vegas

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from St Louis, MO to Las Vegas

Airlines flying this routeFrontier AirlinesAirline(s) with flights between St Louis, MO to Las Vegas

One-way average Price£143The average price for a flight St Louis, MO - Las Vegas at Opodo is £143, based on the price of last 6 months

Best time to bookDecemberAccording to real data January is the most popular time to book a flight to Las Vegas when departing from St Louis, MO

Distance: 1,378 mi

St Louis, MO airports

Las Vegas airports

Harry Reid International Airport (LAS)How far from city centre: 2 mi

Book your St Louis, MO to Las Vegas flight

Search direct and connecting flights from St Louis, MO to Las Vegas (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £81, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from St Louis, MO to Las Vegas takes roughly 4 h and 30 m, whereas journeys with a layover will take longer.

Airports and airlines on the St Louis, MO–Las Vegas route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Arrival airport: Harry Reid International Airport (LAS)

The weather in Las Vegas

The best time to go may come down to the kind of weather you most enjoy. In Las Vegas, temperatures average around 39ºC in the warmest months and roughly 5ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

Highs: up to 40ºC
Lows: down to 4ºC
Hottest month: July
Coldest month: December
Driest month: June
Wettest month: February

Tips for cheaper flights from St Louis, MO to Las Vegas

A few ways to bring down the cost of your flight from St Louis, MO to Las Vegas:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in Las Vegas. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from St Louis, MO to Las Vegas

On average, how much is the price of a flight from St Louis, MO to Las Vegas?

When you fly from St Louis, MO to Las Vegas the average price is £143. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from St Louis, MO to Las Vegas at Opodo?

The cheapest price for a flight from St Louis, MO to Las Vegas is 81 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When is the best time to book a flight from St Louis, MO to Las Vegas?

The most popular months to book a flight from St Louis, MO to Las Vegas are January, November and September, based on the searches of our customers.

When is the best time to travel from St Louis, MO to Las Vegas?

The best time of the year to go to Las Vegas when flying from St Louis, MO depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, February is the top 1º month to fly to Las Vegas from St Louis, MO in terms of searches from our customer, followed by December and March. If you prefer to avoid high peaks of turism, however, and escape a crowded period, July, August and June are the months with less volume of searchs for the route St Louis, MO - Las Vegas.

How long does the flight take to go from St Louis, MO to Las Vegas?

The total flight time between St Louis, MO and Las Vegas is of around 3 h and 52 m on average, considering an average distance of 1,377.96 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in Las Vegas compared to St Louis, MO?

While in St Louis, MO temperatures can reach an average of 26º ºC in summer, Las Vegas can experience temperatures up to 32º ºC during the hot season. In winter, however, the weather shows around 10º ºC in Las Vegas, compared to the 1º ºC average in St Louis, MO.

Which are the airlines with flights from St Louis, MO to Las Vegas?

Airlines with direct flights departing from St Louis, MO to Las Vegas are:

Frontier Airlines.

Frontier Airlines

American Airlines
Alaska Airlines

Plan your trip

Other popular routesPopular Flight Routes