STL - LAS

£115 Find Cheap Flights from St. Louis to Las Vegas – Compare and Save

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Everything you should know

Cheapest return fare
£230
Typical prices: £174-£339
Southwest
Tue 3/11Tue 3/11
STL - LAS • 1 stop
Cheapest direct flights
£231
Typical prices: £181-£359
Southwest
Wed 14/10Wed 21/10
STL - LAS • Direct
Direct flights
You can fly direct with Frontier and Southwest. Average duration is 3h 31m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 82% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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We hope you love your trip to Las Vegas!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from St. Louis to Las Vegas

Tue, 3 Nov - Tue, 3 Nov
Southwest Logo
12:40 - 15:30STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
4h 50m1 stop Kansas City
Southwest Logo
18:05 - 23:05LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 00mdirect
£230Southwest
Wed, 14 Oct - Wed, 21 Oct
Southwest Logo
05:20 - 07:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 40mdirect
Southwest Logo
17:00 - 22:10LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 10mdirect
£231Southwest
Wed, 14 Oct - Mon, 19 Oct
Southwest Logo
05:20 - 07:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 40mdirect
Southwest Logo
00:55 - 09:35LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
6h 40m1 stop Houston Hobby
£234Southwest
Tue, 1 Dec - Sat, 5 Dec
Southwest Logo
05:30 - 10:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
6h 30m2 stops Dallas Love Field Albuquerque
Southwest Logo
09:50 - 16:20LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
4h 30m1 stop Omaha Eppley Airfield
£237Southwest
Tue, 1 Dec - Sat, 5 Dec
Southwest Logo
05:30 - 10:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
6h 30m2 stops Dallas Love Field Albuquerque
Southwest Logo
05:00 - 10:00LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 00mdirect
£237Southwest
Tue, 3 Nov - Tue, 3 Nov
Southwest Logo
05:30 - 10:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
6h 30m2 stops Dallas Love Field Albuquerque
Southwest Logo
13:35 - 21:05LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
5h 30m1 stop Denver Intl
£240Southwest
Tue, 13 Oct - Thu, 15 Oct
Southwest Logo
05:20 - 07:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 40mdirect
Southwest Logo
18:50 - 23:55LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 05mdirect
£248Southwest
Tue, 13 Oct - Thu, 15 Oct
Southwest Logo
14:20 - 18:50STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
6h 30m1 stop Atlanta Hartsfield-Jackson
Southwest Logo
18:50 - 23:55LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 05mdirect
£251Southwest
Sat, 17 Oct - Wed, 21 Oct
Delta Logo
07:45 - 19:00STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
13h 15m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
06:00 - 17:44LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
9h 44m2 stops Seattle/Tacoma Intl Salt Lake City
£261Delta
Tue, 27 Oct - Fri, 30 Oct
Delta Logo
14:22 - 22:22STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
10h 00m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
06:00 - 17:44LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
9h 44m2 stops Seattle/Tacoma Intl Salt Lake City
£265Delta
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?

Flight prices are typical for this route right now.

Flights to Las Vegas from St. Louis usually cost between £205 and £354 in December.
The lowest price found in the past 5 days was £230 on Southwest (1 Dec–5 Dec).

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

The cheapest month for flights from St. Louis to Las Vegas is January, where tickets cost £185 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £288 and £276 respectively.

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

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 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

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

Low season

August

Cheapest flight

£115
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly and prices are also 2% 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

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 5 days, the lowest price for a flight from St. Louis to Las Vegas was £115 for a one-way ticket and £230 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?

    JetBlue, American Airlines, Alaska Airlines, Delta, and Hawaiian Airlines 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 MAX 8 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

Frontier,Southwest

Frontier,Southwest

Wednesday

Frontier,Southwest

Frontier,Southwest

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

Frontier,Southwest

Frontier,Southwest

Wednesday

Frontier,Southwest

Frontier,Southwest

Thursday

Frontier,Southwest

Frontier,Southwest

Friday

Frontier,Southwest

Frontier,Southwest

Saturday

Frontier,Southwest

Frontier,Southwest

Sunday

Frontier,Southwest

Frontier,Southwest

See more direct flights

More options for your flight from St. Louis to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car hire