STL - LAS

£32 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 14/12. 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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Flight 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

Tue, 9 Dec - Fri, 12 Dec
United Airlines Logo
16:37 - 21:00STL-LAS
6h 23m1 stop
United Airlines Logo
00:59 - 10:04LAS-STL
7h 05m1 stop
£123United Airlines
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Mon, 17 Nov - Wed, 19 Nov
United Airlines Logo
13:35 - 17:02STL-LAS
5h 27m1 stop
United Airlines Logo
00:59 - 10:39LAS-STL
7h 40m1 stop
£135United Airlines
Find Deal
Tue, 17 Feb - Sat, 21 Feb
United Airlines Logo
10:10 - 15:33STL-LAS
7h 23m1 stop
United Airlines Logo
05:35 - 12:49LAS-STL
5h 14m1 stop
£150United Airlines
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Fri, 31 Oct - Mon, 3 Nov
Delta Logo
16:45 - 23:20STL-LAS
8h 35m1 stop
Delta Logo
00:35 - 08:51LAS-STL
6h 16m1 stop
£160Delta
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Sun, 23 Nov - Wed, 26 Nov
United Airlines Logo
13:35 - 18:49STL-LAS
7h 14m1 stop
United Airlines Logo
14:37 - 22:45LAS-STL
6h 08m1 stop
£173United Airlines
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Sat, 22 Nov - Wed, 26 Nov
United Airlines Logo
16:43 - 20:46STL-LAS
6h 03m1 stop
United Airlines Logo
14:37 - 22:45LAS-STL
6h 08m1 stop
£175United Airlines
Find Deal
Sun, 22 Feb - Wed, 25 Feb
Alaska Airlines Logo
14:55 - 22:20STL-LAS
9h 25m1 stop
Alaska Airlines Logo
07:50 - 23:56LAS-STL
14h 06m1 stop
£181Alaska Airlines
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Fri, 20 Feb - Fri, 27 Feb
Alaska Airlines Logo
14:55 - 22:20STL-LAS
9h 25m1 stop
Alaska Airlines Logo
07:50 - 23:56LAS-STL
14h 06m1 stop
£193Alaska Airlines
Find Deal
Sat, 11 Oct - Wed, 15 Oct
Southwest Logo
18:05 - 19:40STL-LAS
3h 35mdirect
Southwest Logo
05:50 - 11:00LAS-STL
3h 10mdirect
£223Southwest
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Wed, 8 Oct - Sat, 11 Oct
Southwest Logo
05:40 - 07:15STL-LAS
3h 35mdirect
Southwest Logo
06:40 - 11:50LAS-STL
3h 10mdirect
£226Southwest
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Everything you should know

When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 26% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£123
Typical prices: £165-321
United Airlines
Tue 9/12Fri 12/12
STL - LAS • 1 stop
Cheapest direct flights
£223
Typical prices: £165-312
Southwest
Sat 11/10Wed 15/10
STL - LAS • Direct
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Las Vegas!
Booking Insights

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.

How much is a return flight from St. Louis to Las Vegas?

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 June and March, where the average cost of round-trip tickets is £265 and £254 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 2 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Find deals

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

Low seasonAugust
Cheapest flight£32
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 6% 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 £44 for a one-way ticket and £167 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

  • Looking for a cheap flight from Las Vegas to St. Louis? 25% of our users found flights on this route for £73 or less one-way.
  • 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?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Lambert-St Louis to Las Vegas Harry Reid Intl.
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, Frontier

Southwest, Frontier

Wednesday

Southwest, Frontier

Southwest, Frontier

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

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

Frontier, Southwest

Tuesday

Southwest, Frontier

Southwest, Frontier

Wednesday

Southwest, Frontier

Southwest, Frontier

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

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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