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STL - LAS

£156 Find cheap flights from St. Louis to Las Vegas

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Las Vegas departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 31/5
Fri 7/6

Search hundreds of travel sites at once for deals on flights to Las Vegas

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Las Vegas, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Las Vegas, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,740,974 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
08:15 - 17:26STL-LAS
11h 11m1 stop
23:59 - 12:28LAS-STL
10h 29m1 stop
£180Sun Country Air
Find Deal
Sun, 19 May - Thu, 30 May
18:20 - 22:51STL-LAS
6h 31m1 stop
11:55 - 12:33LAS-STL
22h 38m1 stop
£184Sun Country Air
Find Deal
Sun, 26 May - Sat, 1 Jun
07:55 - 12:11STL-LAS
6h 16m1 stop
11:35 - 21:52LAS-STL
8h 17m1 stop
£246Delta
Find Deal
Tue, 21 May - Sat, 1 Jun
18:59 - 23:31STL-LAS
6h 32m1 stop
00:59 - 09:50LAS-STL
6h 51m1 stop
£247Delta
Find Deal
Wed, 2 Oct - Fri, 4 Oct
19:41 - 13:17STL-LAS
19h 36m2 stops
06:00 - 18:41LAS-STL
10h 41m1 stop
£298Alaska Airlines
Find Deal
Tue, 28 May - Tue, 4 Jun
08:05 - 16:44STL-LAS
10h 39m2 stops
00:59 - 09:51LAS-STL
6h 52m1 stop
£307United Airlines
Find Deal
Tue, 20 Aug - Fri, 23 Aug
19:41 - 21:59STL-LAS
28h 18m2 stops
07:05 - 18:41LAS-STL
9h 36m1 stop
£317Alaska Airlines
Find Deal
Fri, 31 May - Tue, 4 Jun
09:30 - 16:44STL-LAS
9h 14m2 stops
23:15 - 10:07LAS-STL
8h 52m1 stop
£355United Airlines
Find Deal
Tue, 24 Sep - Mon, 30 Sep
05:00 - 16:00STL-LAS
13h 00m1 stop
09:05 - 23:35LAS-STL
12h 30m2 stops
£374Southwest
Find Deal
Mon, 13 May - Thu, 16 May
05:00 - 16:00STL-LAS
13h 00m1 stop
05:40 - 22:05LAS-STL
14h 25m3 stops
£445Southwest
Find Deal
Mon, 13 May - Thu, 16 May

Flights from St. Louis to Las Vegas - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to Las Vegas to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to Las Vegas, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from St. Louis to Las Vegas is January, where tickets cost £105 on average. On the other hand, the most expensive months are October and July, where the average cost of tickets is £196 and £192 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from St. Louis to Las Vegas, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from St. Louis to Las Vegas, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 28 days before departure.

Which airlines provide the cheapest flights from St. Louis to Las Vegas?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from St. Louis to Las Vegas found on KAYAK was with Alaska Airlines for £156. Sun Country Air proposed a return connection from £180 and Delta from £246.

How many flights are there between St. Louis and Las Vegas per day?

Each day, there are between 6 and 10 nonstop flights that take off from St. Louis and land in Las Vegas, with an average flight time of 3h 36m. The most common departure time is 19:00 and most flights take off in the morning. Each week, there are 58 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart. The fewest flights depart on a Saturday.

How long does a flight from St. Louis to Las Vegas take?

The duration of a direct flight to Las Vegas from St. Louis is typically 3h 30m. The journey crosses a distance of 1,367 miles.

What’s the earliest departure time from St. Louis to Las Vegas?

Early birds can take the earliest flight from St. Louis at 05:05 and will be landing in Las Vegas at 06:30.

What’s the latest departure time from St. Louis to Las Vegas?

If you prefer to fly at night, the latest flight from St. Louis to Las Vegas jets off at 22:59 and lands at 00:51.

Good to know - Cheap tickets from St. Louis to Las Vegas

Low season

January

High season

March

Cheapest flight

£156
Best time to beat the crowds (35% less expensive on average)
Most popular time to fly (12% more expensive on average)
Flight from St. Louis to Las Vegas

When to book flights from St. Louis to Las Vegas

Are your dates flexible? Find out the best times to travel from St. Louis to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Las Vegas

  • What transportation services can I use at McCarran International Airport?

    If you are at Terminal 1, a bus service is located at Level 0, which serves three routes. If you are at Terminal 3, the bus service is on the second floor and serves two routes. If you plan on taking a shuttle, the shuttle service at Terminal 1 is at the west part of the baggage claim area outside exit doors 7-13. If you are at Terminal 3, the shuttle service is located outside Level 0.

  • If my flight at STL gets delayed for a long time, is there a nearby motel/hotel where I can stay?

    STL has a toll-free motel/hotel phone center available at Terminal 1 and Terminal 2. At Terminal 1, the motel/hotel phone center is in the lower level of the baggage claim area at doors 12, 17, and 18. For the passenger pickup spot, go to door 18. At Terminal 2, the motel/hotel phone center is on the lower level next to door 12. The passenger pickup spot is at exit door 15.

  • How many lactation suites are there at STL?

    There are three lactation suites located near Gate A10, Gate C9, and Gate E33. To unlock the suite, keep an eye out for a sign near the door that provides a number that you need to text to. Once you send a text to that number, a code will be texted back to you, which you can use to unlock the door.

  • Which hotels are closest to McCarran International Airport?

    The Best Western McCarran Inn provides a free shuttle service to the Las Vegas airport. If you are traveling light, it is only a 6min walk to McCarran International Airport. Travelodge by Wyndham Las Vegas Airport is just 2 miles away from McCarran International Airport.

  • What is the cheapest flight from St. Louis to Las Vegas?

    In the last 3 days, the lowest price for a flight from St. Louis to Las Vegas was £196 for a one-way ticket and £225 for a return.

  • Which airports will I be using when flying from St. Louis to Las Vegas?

    St. Louis airport is called Lambert-St Louis and the only airport in Las Vegas is Las Vegas Harry Reid Intl.

  • Which airlines offer Wi-Fi service onboard planes from St. Louis to Las Vegas?

    American Airlines, Alaska Airlines, Delta, and JetBlue offer inflight Wi-Fi service on the St. Louis to Las Vegas flight route.

  • Which aircraft models fly most regularly from St. Louis to Las Vegas?

    The Airbus A320neo is the aircraft model that flies most regularly on the St. Louis to Las Vegas flight route.

  • On which days can I fly direct from St. Louis to Las Vegas?

    There are direct flights from St. Louis to Las Vegas on a daily basis.

  • How does KAYAK find such low prices on flights from St. Louis to Las Vegas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Las Vegas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Las Vegas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Las Vegas from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Las Vegas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Las Vegas with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Las Vegas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Las Vegas from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from St. Louis to Las Vegas

  • If you are traveling with children and have to wait to board your flight, there is a Children's Play Port at St. Louis Airport (STL). You can find it near Gate C3. The play port is a kid-sized educational play exhibit that includes an air traffic control tower, a plane, and a MetroLink light rail train.
  • If you are looking for a convenient way to pick someone up from STL Airport, there are cell phone lots available at each terminal. When the person contacts you, you can immediately pick them up from the cell phone lot.
  • You can travel with Frontier Airlines, Southwest Airlines, Spirit Airlines, and Sun Country Airlines if you want to take a nonstop trip to Las Vegas from STL.
  • At STL, people with oversized vehicles like vans or buses who are either dropping someone off or picking them up will find a special area for this purpose at Terminal 1 right past Entry 6 and at Terminal 2 at Entry 3.
  • There is an Aviation Museum at McCarran International Airport if you have time to kill while waiting for a pickup service or to board your flight. It is in Terminal 1 on Level 2 above the baggage claim area.
See more tips

Prefer to fly direct from St. Louis to Las Vegas?

Find which airlines fly direct from Lambert-St Louis to Harry Reid Intl, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Las Vegas Harry Reid Intl

Monday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Lambert-St Louis

Monday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest, Spirit Airlines

Frontier, Southwest, +1 more

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights
See more direct flights

Book cheap flights from St. Louis to Las Vegas

Cheapest flights to Las Vegas from St. Louis found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Las Vegas found on KAYAK in the last 72 hours.
5/6Wed
2 stopsAlaska Airlines
17h 14mSTL-LAS
£156
13/5Mon
2 stopsAlaska Airlines
11h 08mSTL-LAS
£227
26/6Wed
2 stopsUnited Airlines
14h 28mSTL-LAS
£236
17/5Fri
2 stopsUnited Airlines
12h 50mSTL-LAS
£327

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Last minute flights from St. Louis to Las Vegas

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from St. Louis to Las Vegas that are departing in the next 10 days.
2/5Thu
multi-stopAlaska Airlines
7h 44mSTL-LAS
9/5Thu
multi-stopAlaska Airlines
7h 46mLAS-STL
£503
3/5Fri
multi-stopUnited Airlines
6h 58mSTL-LAS
4/5Sat
multi-stopUnited Airlines
7h 00mLAS-STL
£632
3/5Fri
multi-stopDelta
6h 21mSTL-LAS
9/5Thu
multi-stopDelta
8h 25mLAS-STL
£637
3/5Fri
multi-stopAlaska Airlines
7h 44mSTL-LAS
6/5Mon
multi-stopAlaska Airlines
14h 17mLAS-STL
£1,050

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St. Louis - Las Vegas Flights

Departure:

St. Louis (STL)United States

Destination:

Las Vegas (LAS)United States

Cabin classes:

£46

Browse origins:

  • Flights » 
  • St. Louis

Browse destinations:

  • Flights » 
  • Las Vegas