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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 38mNonstopLAS 16:05St. Louis - Las Vegas | Thu, Jun 12 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Fri, Jun 13 | Frontier AirlinesAED 630 AED 1,54259% OFF59% OFFAED 1,542 AED 630
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STL 14:368h 16m1 stopsLAS 20:52St. Louis - Las Vegas | Thu, Aug 7 | Frontier AirlinesLAS 12:0219h 9m1 stopsSTL 09:11Las Vegas - St. Louis | Tue, Aug 12 | Frontier AirlinesAED 565 AED 1,54263% OFF63% OFFAED 1,542 AED 565
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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 629 AED 1,54259% OFF59% OFFAED 1,542 AED 629
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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 65257% OFFAED 1,542 AED 652
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STL 19:296h 7m1 stopsLAS 23:36St. Louis - Las Vegas | Sat, Jun 14 | Frontier AirlinesLAS 21:1411h 19m1 stopsSTL 10:33Las Vegas - St. Louis | Thu, Jun 19 | Spirit AirlinesAED 70754% OFFAED 1,542 AED 707
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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 70954% OFFAED 1,542 AED 709
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STL 19:296h 7m1 stopsLAS 23:36St. Louis - Las Vegas | Wed, Jul 2 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Fri, Jul 4 | Frontier AirlinesAED 73452% OFFAED 1,542 AED 734
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STL 14:368h 7m1 stopsLAS 20:43St. Louis - Las Vegas | Thu, Jun 26 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Fri, Jul 4 | Frontier AirlinesAED 74452% OFFAED 1,542 AED 744
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STL 19:296h 5m1 stopsLAS 23:34St. Louis - Las Vegas | Wed, Jul 9 | Frontier AirlinesLAS 08:203h 22mNonstopSTL 13:42Las Vegas - St. Louis | Fri, Jul 11 | Frontier AirlinesAED 97537% OFFAED 1,542 AED 975
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STL 19:296h 7m1 stopsLAS 23:36St. Louis - Las Vegas | Fri, Jun 13 | Frontier AirlinesLAS 00:596h 13m1 stopsSTL 09:12Las Vegas - St. Louis | Mon, Jun 16 | Frontier AirlinesAED 1,37211% OFFAED 1,542 AED 1,372
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STL 13:0017h 25m1 stopsLAS Invalid DateSt. Louis - Las Vegas | Thu, Jun 12 | Normal AirlineLAS 15:006hNonstopSTL 16:00Las Vegas - St. Louis | Sat, Jun 14 | 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 68861% OFF61% OFFAED 688 AED 265
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STL 14:273h 38mNonstopLAS 16:05St. Louis - Las Vegas | Sat, Jun 14 | Frontier AirlinesAED 306 AED 68855% OFF55% OFFAED 688 AED 306
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STL 14:273h 36mNonstopLAS 16:03St. Louis - Las Vegas | Mon, Jul 14 | Frontier AirlinesAED 385 AED 68844% OFF44% OFFAED 688 AED 385
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STL 14:368h 16m1 stopsLAS 20:52St. Louis - Las Vegas | Thu, Aug 7 | Frontier AirlinesAED 27161% OFFAED 688 AED 271
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STL 17:4029h 42m1 stopsLAS 21:22St. Louis - Las Vegas | Tue, Jul 8 | Frontier AirlinesAED 36847% OFFAED 688 AED 368
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STL 19:296h 5m1 stopsLAS 23:34St. Louis - Las Vegas | Mon, Jul 21 | Frontier AirlinesAED 37745% OFFAED 688 AED 377
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STL 11:2815h 26m1 stopsLAS 00:54St. Louis - Las Vegas | Mon, Jun 16 | Spirit AirlinesAED 44336% OFFAED 688 AED 443
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STL 20:4412h 12m1 stopsLAS 06:56St. Louis - Las Vegas | Sun, Jun 15 | Frontier AirlinesAED 55519% OFFAED 688 AED 555
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STL 17:3529h 46m1 stopsLAS 21:21St. Louis - Las Vegas | Wed, Jun 11 | Frontier AirlinesAED 55519% OFFAED 688 AED 555
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STL 14:368h 7m1 stopsLAS 20:43St. Louis - Las Vegas | Thu, Jun 26 | Frontier AirlinesAED 61211% OFFAED 688 AED 612
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STL 13:0017h 25m1 stopsLAS Invalid DateSt. Louis - Las Vegas | Thu, Jun 12 | 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 265 |
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Cheapest return ticket price | AED 628 |
Off-season for travel | March |
Peak season for travel | June |
Flight distance | 2,219.31 km |
Average flight time | 4 hours 33 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 1,627. -
How long does it take to fly from St. Louis (STL) to Las Vegas (LAS)?
It takes about 4 hours 33 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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