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Cheap Flights from St Louis to Las Vegas, NV, United States - STL to LAS Last modified: May 29, 2016 7:46 PM

Popular flights from St Louis to Las Vegas Last modified: May 29, 2016 7:46 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 10, 2016 Sep 14, 2016 $460
Sep 17, 2016 Oct 1, 2016 $460
American Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Aug 26, 2016 $404
Aug 23, 2016 Aug 30, 2016 $404
Aug 28, 2016 Sep 1, 2016 $404
Aug 28, 2016 Aug 31, 2016 $404
Aug 29, 2016 Sep 1, 2016 $404
Frontier Airlines
Departure Date Return Date Lowest Price
Aug 16, 2016 Aug 23, 2016 $108
Aug 16, 2016 Aug 30, 2016 $108
Aug 17, 2016 Aug 24, 2016 $108
Aug 23, 2016 Aug 30, 2016 $108
Sep 7, 2016 Sep 13, 2016 $108
United Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Aug 26, 2016 $404
Aug 23, 2016 Aug 30, 2016 $404
Aug 28, 2016 Sep 1, 2016 $404
Aug 28, 2016 Aug 31, 2016 $404
Aug 28, 2016 Sep 1, 2016 $404

How Much Does it Cost to Fly from St Louis to Las Vegas (STL to LAS)?

We have collected flight cost data from across the web for travel from St Louis to Las Vegas, and have found the average flight price for this trip to be $122.

When Can I Buy the Cheapest Flight from St Louis to Las Vegas (STL to LAS)?

Airlines can adjust prices for plane tickets from St Louis to Las Vegas based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from St Louis to Las Vegas

The chart below shows up-to-date information regarding how far in advance a flight from St Louis to Las Vegas should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $276 $266
7-14 days $196 $247
14-21 days $121 $193
21-30 days $134 $218
30-60 days $134 $218
60-90 days $108 $176
90+ days $108 $176

Cheapest Day To Fly from St Louis to Las Vegas

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Las Vegas.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$125 $108 $108 $125 $125 $125 $138

Lowest Fares Chart By Month from St Louis to Las Vegas

The chart below shows the lowest fare by month when flying from St Louis to Las Vegas.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis Las Vegas Frontier 5/31/16 6/3/16 0 $381
June St Louis Las Vegas Frontier 6/14/16 6/22/16 0 $121
July St Louis Las Vegas Frontier 7/6/16 7/13/16 0 $134
August St Louis Las Vegas Frontier 8/16/16 8/23/16 0 $108
September St Louis Las Vegas Frontier 9/7/16 9/13/16 0 $108
October St Louis Las Vegas Frontier 10/4/16 10/11/16 0 $108
November St Louis Las Vegas American 11/1/16 11/4/16 1 $404
December St Louis Las Vegas American 12/4/16 12/9/16 1 $404

Cheapest Weekend Non-Stop Flights for the Next 30 Days from St Louis to Las Vegas

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from St Louis to Las Vegas.

Next 30 Days

SunMonTueWedThuFriSat
29 30 31 1 2 3 4
$317
5 6 7 8 9 10 11
$317 $230
12 13 14 15 16 17 18
$230 $168
19 20 21 22 23 24 25
$168 $151
26 27 28 29 30 1 2
$151 $168
3 4 5 6 7 8 9
$168

Non-Stop vs Connecting Flights from St Louis to Las Vegas (STL to LAS)

Your St Louis to Las Vegas flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Las Vegas is $385.

The average price for non-stop flights from St Louis to Las Vegas is $125.

The chart below shows up to date information regarding non-stop flights from St Louis to Las Vegas.

Nonstop Flight Details from St Louis to Las Vegas
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Frontier 1 1 1 1 1 1 1 15:15 15:15

Round Trip vs One Way Flights from St Louis to Las Vegas (STL to LAS)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Las Vegas. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Las Vegas is $171.

The average price for round trip flights from St Louis to Las Vegas is $372.

More Cheap Flights

FlightsAirlineLowest Price
Peoria to Las Vegas American, United $304
Springfield to Las Vegas American, United $392
Moline to Las Vegas American, Alaska, United $304
Springfield to Las Vegas American, United $304
Evansville to Las Vegas American, United $409
Champaign to Las Vegas American $392
Bloomington - Normal to Las Vegas American $304
St Louis to Los Angeles American, Alaska, Frontier, United $244
St Louis to Phoenix American, Alaska, Frontier, United $244
St Louis to San Diego American, Alaska, Frontier, United $241
St Louis to San Francisco American, Alaska, Frontier, United $244
St Louis to Dallas - Ft Worth American, Alaska, United $209
St Louis to Denver American, Alaska, Frontier, United $108
Bloomington - Normal to Los Angeles American $337
Peoria to Phoenix American, United $244
St Louis to Ontario American, Alaska, United $308
St Louis to Palm Springs American, Alaska, United $324
St Louis to Chicago American, Alaska, United $219
Moline to Los Angeles American, Alaska, United $337
Moline to Phoenix American, United $234
St Louis to Santa Ana American, Alaska, United $303
St Louis to St George United $559
St Louis to Salt Lake City American, Alaska, Frontier, United $244
St Louis to Atlanta American, Alaska, Frontier, United $78
Springfield to Phoenix American, United $368
St Louis to Burbank American, Alaska, United $351
Bloomington - Normal to Phoenix American $244
St Louis to Long Beach American, Alaska, United $335
St Louis to Seattle American, Alaska, Frontier, United $261
Springfield to Los Angeles American, Alaska, United $392

Airlines Flying from St Louis to Las Vegas (STL to LAS) Number of flights searched: 235Last modified: May 29, 2016 7:47 PM

Below are the different airlines that fly from St Louis to Las Vegas with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Las Vegas.

St Louis to Las Vegas
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska PDX X X X X X X X
Delta MSP X X X X X X X
Delta SLC / LAX X X
Frontier - X X X X X X X
Frontier DEN X X X X X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Las Vegas, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

St Louis to Las Vegas Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from St Louis to Las Vegas?
Answer: The average St Louis to Las Vegas flight time is 3 hours and 27 minutes.
Question: How many miles are there between St Louis and Las Vegas?
Answer: The distance from St Louis to Las Vegas is 1367 miles.
Question: How common are direct flights from St Louis to Las Vegas?
Answer: There are 7 direct flights from St Louis to Las Vegas.
Question: What is the most popular airline for non-stop flights from St Louis to Las Vegas?
Answer: Frontier Airlines provides 100% of the non-stop flights between St Louis and Las Vegas.
Question: What are the most popular connecting cities when flying from St Louis to Las Vegas?
Answer: Denver, CO
St Louis (STL) To Las Vegas, NV (LAS) Flights: Cheap Flights From St Louis To Las Vegas | FareCompare.