STL - LAS

£128 Find Cheap Flights from St. Louis to Las Vegas – Compare and Save

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Everything you should know

Cheapest return fare
£196
Typical prices: £180-£346
Frontier
Mon 30/11Fri 4/12
STL - LAS • 1 stop
Cheapest direct flights
£255
Typical prices: £164-£335
Southwest
Mon 7/12Thu 10/12
STL - LAS • Direct
Direct flights
You can fly direct with Southwest and Frontier. Average duration is 3h 35m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 81% on-time
Best time • Fewest delays
Insights
Insights
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Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
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

Mon, 30 Nov - Fri, 4 Dec
Frontier Logo
15:04 - 20:51STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
7h 47m1 stop Denver Intl
Frontier Logo
16:30 - 10:57LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
16h 27m2 stops Phoenix Sky Harbor Intl Denver Intl
£196Frontier
Mon, 30 Nov - Fri, 4 Dec
Frontier Logo
15:04 - 20:51STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
7h 47m1 stop Denver Intl
Frontier Logo
16:10 - 10:57LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
16h 47m1 stop Denver Intl
£204Frontier
Thu, 10 Dec - Thu, 17 Dec
Frontier Logo
18:20 - 08:37STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
16h 17m1 stop Orlando
Frontier Logo
11:35 - 16:50LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 15mdirect
£220Frontier
Thu, 10 Dec - Thu, 17 Dec
Frontier Logo
18:20 - 08:37STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
16h 17m1 stop Orlando
Frontier Logo
20:34 - 15:26LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
16h 52m2 stops Ontario Denver Intl
£228Frontier
Mon, 30 Nov - Fri, 4 Dec
Frontier Logo
15:04 - 09:06STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
20h 02m2 stops Denver Intl Ontario
Frontier Logo
10:23 - 10:57LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
22h 34m2 stops Los Angeles Denver Intl
£230Frontier
Thu, 10 Dec - Thu, 17 Dec
Frontier Logo
14:27 - 16:19STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 52mdirect
Frontier Logo
20:34 - 15:26LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
16h 52m2 stops Ontario Denver Intl
£238Frontier
Thu, 10 Dec - Thu, 17 Dec
Frontier Logo
18:20 - 21:55STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
29h 35m2 stops Orlando Dallas/Fort Worth
Frontier Logo
20:34 - 15:26LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
16h 52m2 stops Ontario Denver Intl
£244Frontier
Sat, 2 Jan - Mon, 4 Jan
Delta Logo
07:05 - 12:20STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
7h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
22:25 - 10:12LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
9h 47m1 stop Detroit Metropolitan Wayne County
£249Delta
Mon, 7 Dec - Thu, 10 Dec
Southwest Logo
05:05 - 06:50STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
3h 45mdirect
Southwest Logo
07:00 - 12:00LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
3h 00mdirect
£255Southwest
Mon, 23 Nov - Wed, 25 Nov
Southwest Logo
05:05 - 08:20STL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
5h 15m1 stop Phoenix Sky Harbor Intl
Southwest Logo
06:10 - 11:05LAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
2h 55mdirect
£259Southwest
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 £195 and £354 in November.
The lowest price found in the past 5 days was £196 on Frontier (30 Nov–4 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 £189 (return) on average. On the other hand, the most expensive months are October and June, where the average cost of round-trip tickets is £314 and £295 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 18% 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

September

Cheapest flight

£128
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly and prices are also 7% 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 £128 for a one-way ticket and £196 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, 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 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

Southwest

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

Southwest

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