STL - LAS

£108 Find Cheap Flights from St. Louis to Las Vegas

This is the cheapest return 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 19/9. 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
1 adult, Economy

KAYAK searches 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
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Flights Deals

Cheap Flights 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 return 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 for you by selecting your travel dates on KAYAK.

Recent return flight deals from St. Louis to Las Vegas

Fri, 19 Sep - Sun, 21 Sep
Spirit Airlines Logo
08:44 - 20:06STL-LAS
13h 22m1 stop
Spirit Airlines Logo
22:55 - 07:49LAS-STL
6h 54m1 stop
£108Spirit Airlines
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Wed, 17 Sep - Thu, 18 Sep
Southwest Logo
20:45 - 22:10STL-LAS
3h 25mdirect
Southwest Logo
17:55 - 23:10LAS-STL
3h 15mdirect
£185Southwest
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Mon, 13 Oct - Thu, 16 Oct
Alaska Airlines Logo
06:33 - 14:47STL-LAS
10h 14m1 stop
Alaska Airlines Logo
12:25 - 23:59LAS-STL
9h 34m1 stop
£204Alaska Airlines
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Fri, 25 Jul - Tue, 29 Jul
Frontier Logo
19:29 - 23:34STL-LAS
6h 05m1 stop
Frontier Logo
00:59 - 09:11LAS-STL
6h 12m1 stop
£210Frontier
Find Deal
Fri, 25 Jul - Tue, 29 Jul
Frontier Logo
19:29 - 23:34STL-LAS
6h 05m1 stop
Frontier Logo
00:59 - 09:11LAS-STL
6h 12m1 stop
£219Frontier
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Sat, 11 Oct - Thu, 16 Oct
Alaska Airlines Logo
15:57 - 23:28STL-LAS
9h 31m1 stop
Alaska Airlines Logo
14:00 - 23:59LAS-STL
7h 59m1 stop
£220Alaska Airlines
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Thu, 28 Aug - Tue, 2 Sep
Delta Logo
18:45 - 22:18STL-LAS
5h 33m1 stop
Delta Logo
09:19 - 23:23LAS-STL
12h 04m1 stop
£231Delta
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Tue, 12 Aug - Wed, 13 Aug
Delta Logo
06:00 - 12:29STL-LAS
8h 29m1 stop
Delta Logo
00:35 - 08:34LAS-STL
5h 59m1 stop
£238Delta
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Sun, 7 Dec - Wed, 10 Dec
United Airlines Logo
13:30 - 16:49STL-LAS
5h 19m1 stop
United Airlines Logo
00:59 - 09:42LAS-STL
6h 43m1 stop
£249United Airlines
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Thu, 25 Sep - Sun, 28 Sep
United Airlines Logo
17:47 - 00:45STL-LAS
8h 58m1 stop
United Airlines Logo
00:59 - 09:52LAS-STL
6h 53m1 stop
£280United Airlines
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Useful Info

KAYAK's insights & trends for St. Louis to Las Vegas flights

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 round-trip 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 February, where tickets cost £163 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is £253 and £248 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.

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 3 weeks before departure.

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

Low seasonApril
High seasonOctober
Cheapest flight£47
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 0% lower 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 £64 for a one-way ticket and £147 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, and Delta 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 Boeing 737-800 Passenger/BBJ2 (winglets) 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.

KAYAK’s 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.

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

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

Direct departures

Lambert-St Louis to Las Vegas Harry Reid Intl

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Southwest

Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Lambert-St Louis

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Southwest

Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights
See more direct flights

Everything you need to know for your flight from St. Louis to Las Vegas

Information on your arrival and departure airports

St. Louis (STL)
Las Vegas (LAS)

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