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Flights from St. Louis to Las Vegas
Cheap flight deals from St. Louis to Las Vegas
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopSTL 14:273h 36mNonstopLAS 16:03St. Louis - Las Vegas | Fri, Jul 11 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Fri, Jul 18 | Frontier AirlinesAED 750 AED 1,01626% OFF26% OFFAED 1,016 AED 750
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STL 14:273h 38mNonstopLAS 16:05St. Louis - Las Vegas | Mon, Jun 23 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Mon, Jun 30 | Frontier AirlinesAED 750 AED 1,01626% OFF26% OFFAED 1,016 AED 750
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STL 14:368h 16m1 stopsLAS 20:52St. Louis - Las Vegas | Thu, Aug 7 | Frontier AirlinesLAS 15:3430h 13m1 stopsSTL 23:47Las Vegas - St. Louis | Tue, Aug 12 | Frontier AirlinesAED 563 AED 1,01645% OFF45% OFFAED 1,016 AED 563
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STL 14:368h 7m1 stopsLAS 20:43St. Louis - Las Vegas | Thu, Jul 3 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Thu, Jul 10 | Frontier AirlinesAED 62838% OFFAED 1,016 AED 628
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STL 15:253h 30mNonstopLAS 16:55St. Louis - Las Vegas | Sun, Jul 27 | Southwest AirlinesLAS 00:207h 32m1 stopsSTL 09:52Las Vegas - St. Louis | Sun, Aug 3 | Spirit AirlinesAED 63138% OFFAED 1,016 AED 631
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STL 14:273h 38mNonstopLAS 16:05St. Louis - Las Vegas | Sun, Jun 15 | Frontier AirlinesLAS 21:1411h 19m1 stopsSTL 10:33Las Vegas - St. Louis | Thu, Jun 19 | Spirit AirlinesAED 65136% OFFAED 1,016 AED 651
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STL 17:4717h 56m1 stopsLAS 09:43St. Louis - Las Vegas | Tue, Jun 17 | Frontier AirlinesLAS 00:596h 13m1 stopsSTL 09:12Las Vegas - St. Louis | Mon, Jun 23 | Frontier AirlinesAED 70830% OFFAED 1,016 AED 708
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STL 17:4029h 42m1 stopsLAS 21:22St. Louis - Las Vegas | Tue, Jul 8 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Thu, Jul 10 | Frontier AirlinesAED 74527% OFFAED 1,016 AED 745
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STL 15:349h 33m1 stopsLAS 23:07St. Louis - Las Vegas | Sat, Jul 12 | Spirit AirlinesLAS 00:207h 32m1 stopsSTL 09:52Las Vegas - St. Louis | Mon, Jul 14 | Spirit AirlinesAED 76225% OFFAED 1,016 AED 762
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STL 14:368h 16m1 stopsLAS 20:52St. Louis - Las Vegas | Thu, Jul 24 | Frontier AirlinesLAS 15:4615h 25m1 stopsSTL 09:11Las Vegas - St. Louis | Thu, Jul 31 | Frontier AirlinesAED 77224% OFFAED 1,016 AED 772
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STL 13:0017h 25m1 stopsLAS Invalid DateSt. Louis - Las Vegas | Tue, Jun 17 | Normal AirlineLAS 15:006hNonstopSTL 16:00Las Vegas - St. Louis | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopSTL 14:273h 36mNonstopLAS 16:03St. Louis - Las Vegas | Mon, Jul 28 | Frontier AirlinesAED 265 AED 1,96587% OFF87% OFFAED 1,965 AED 265
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STL 14:273h 36mNonstopLAS 16:03St. Louis - Las Vegas | Mon, Jul 14 | Frontier AirlinesAED 384 AED 1,96580% OFF80% OFFAED 1,965 AED 384
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STL 11:2815h 26m1 stopsLAS 00:54St. Louis - Las Vegas | Mon, Jun 23 | Spirit AirlinesAED 318 AED 1,96584% OFF84% OFFAED 1,965 AED 318
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STL 17:4029h 42m1 stopsLAS 21:22St. Louis - Las Vegas | Tue, Jul 8 | Frontier AirlinesAED 36881% OFFAED 1,965 AED 368
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STL 19:296h 5m1 stopsLAS 23:34St. Louis - Las Vegas | Sat, Jul 26 | Frontier AirlinesAED 39880% OFFAED 1,965 AED 398
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STL 11:2414h 13m1 stopsLAS 23:37St. Louis - Las Vegas | Wed, Jul 16 | Spirit AirlinesAED 40379% OFFAED 1,965 AED 403
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STL 19:296h 5m1 stopsLAS 23:34St. Louis - Las Vegas | Wed, Aug 6 | Frontier AirlinesAED 40579% OFFAED 1,965 AED 405
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STL 11:2414h 13m1 stopsLAS 23:37St. Louis - Las Vegas | Wed, Jul 23 | Spirit AirlinesAED 44178% OFFAED 1,965 AED 441
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STL 14:368h 7m1 stopsLAS 20:43St. Louis - Las Vegas | Thu, Jun 26 | Frontier AirlinesAED 70364% OFFAED 1,965 AED 703
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STL 11:2815h 26m1 stopsLAS 00:54St. Louis - Las Vegas | Mon, Jun 16 | Spirit AirlinesAED 1,49324% OFFAED 1,965 AED 1,493
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STL 13:0017h 25m1 stopsLAS Invalid DateSt. Louis - Las Vegas | Tue, Jun 17 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | St. Louis to Las Vegas
Cheapest one-way flight price | AED 264 |
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Cheapest return ticket price | AED 627 |
Off-season for travel | April |
Peak season for travel | June |
Flight distance | 2,219.31 km |
Average flight time | 4 hours 29 minutes |
Popular airline | American Airlines |
When is the cheapest time to fly from St. Louis to Las Vegas?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from St. Louis (STL) to Las Vegas (LAS) the cheapest?
Airlines adjust prices for flights from St. Louis to Las Vegas based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from St. Louis (STL) to Las Vegas (LAS) cost?
According to Trip.com's data, the lowest price is around AED 1,626. -
How long does it take to fly from St. Louis (STL) to Las Vegas (LAS)?
It takes about 4 hours 29 minutes to fly from St. Louis (STL) to Las Vegas (LAS). -
What are the most popular airlines that fly from St. Louis (STL) to Las Vegas (LAS)?
Airlines with flights from St. Louis (STL) to Las Vegas (LAS): Southwest Airlines, Frontier Airlines and Volaris. -
How many airports are there in Las Vegas (LAS)?
There are 4 airport(s) near Las Vegas (LAS): Boulder City Municipal Airport, Henderson Executive Airport, Harry Reid International Airport and Nellis Air Force Base.
How to find a cheap flight from St. Louis to Las Vegas
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Las Vegas. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest St. Louis to Las Vegas ticket.
Tap "Date" on flight search bar to scan through the calender for St. Louis to Las Vegas airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Jul 28 at AED 265 for one-way flights.
Compare cheap St. Louis to Las Vegas flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from St. Louis to Las Vegas. The cheapest airline operating is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your St. Louis to Las Vegas route, you can easily track the price of your airline tickets from without manually checking every day.
Don't miss cheap St. Louis to Las Vegas flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from St. Louis to Las Vegas to get exclusive deals for you.
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