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Cheap flights from St. Louis to Las Vegas from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Las Vegas departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Las Vegas that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Las Vegas.

Cheap last minute flights

Planning a quick getaway from St. Louis to Las Vegas? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Las Vegas, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Las Vegas

Find recent round-trip train or bus tickets from St. Louis to Las Vegas.

All round-trip flight deals to Las Vegas

The cheapest plane tickets to Las Vegas found on KAYAK recently.
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
12:20 pm - 5:43 pmLAS-STL
3h 23mnonstop
$67Frontier
Find Deal
Mon, Mar 3 - Wed, Mar 5
6:43 pm - 8:24 pmSTL-LAS
3h 41mnonstop
12:13 pm - 5:36 pmLAS-STL
3h 23mnonstop
$68Frontier
Find Deal
Wed, Feb 26 - Tue, Mar 4
6:54 pm - 11:54 pmSTL-LAS
7h 00m1 stop
12:20 pm - 5:43 pmLAS-STL
3h 23mnonstop
$87Frontier
Find Deal
Mon, Mar 3 - Wed, Mar 5
7:09 pm - 11:59 pmSTL-LAS
6h 50m1 stop
10:27 pm - 2:43 pmLAS-STL
14h 16m1 stop
Fri, Feb 7 - Mon, Feb 10
7:00 am - 1:13 pmSTL-LAS
8h 13m1 stop
9:48 pm - 9:16 amLAS-STL
9h 28m1 stop
Tue, Feb 25 - Thu, Feb 27
6:00 am - 12:53 pmSTL-LAS
8h 53m1 stop
6:35 am - 2:50 pmLAS-STL
6h 15m1 stop
$218Delta
Find Deal
Sun, Feb 16 - Tue, Feb 25
3:35 pm - 8:34 pmSTL-LAS
6h 59m1 stop
12:55 am - 10:54 amLAS-STL
7h 59m1 stop
$247Delta
Find Deal
Sat, Jan 18 - Sat, Jan 18
4:27 pm - 11:12 amSTL-LAS
20h 45m3 stops
6:24 am - 2:43 pmLAS-STL
30h 19m3 stops
$260Spirit Airlines
Find Deal
Tue, Jan 7 - Mon, Jan 13
7:00 am - 9:27 pmSTL-LAS
16h 27m2 stops
6:00 am - 11:59 pmLAS-STL
15h 59m1 stop
$270Alaska Airlines
Find Deal
Tue, Feb 25 - Fri, Feb 28
4:27 pm - 11:12 amSTL-LAS
20h 45m3 stops
10:27 pm - 2:43 pmLAS-STL
14h 16m1 stop
$278Spirit Airlines
Find Deal
Tue, Jan 7 - Mon, Jan 13
6:54 pm - 11:54 pmSTL-LAS
7h 00m1 stop
$53Frontier
Find Deal
Sat, Feb 15
7:09 pm - 11:51 pmSTL-LAS
6h 42m1 stop
$54Frontier
Find Deal
Mon, Jan 27
7:09 pm - 11:39 pmSTL-LAS
6h 30m1 stop
$56Frontier
Find Deal
Wed, Jan 22
5:45 pm - 7:35 pmSTL-LAS
3h 50mnonstop
$154Southwest
Find Deal
Sat, Jan 11
4:28 pm - 9:06 pmSTL-LAS
30h 38m2 stops
$156Spirit Airlines
Find Deal
Sun, Jan 12
11:38 am - 9:45 pmSTL-LAS
12h 07m2 stops
$183American Airlines
Find Deal
Sun, Jan 26
6:25 am - 12:15 pmSTL-LAS
7h 50m2 stops
$184Southwest
Find Deal
Sat, Jan 25
4:28 pm - 9:06 pmSTL-LAS
30h 38m2 stops
$197Spirit Airlines
Find Deal
Thu, Jan 9
9:00 am - 8:16 pmSTL-LAS
13h 16m2 stops
$208United Airlines
Find Deal
Thu, Feb 27
6:30 am - 5:38 pmSTL-LAS
13h 08m2 stops
$227United Airlines
Find Deal
Tue, Feb 25
10:09 pm - 11:34 pmSTL-LAS
27h 25m1 stop
3:15 pm - 8:29 pmLAS-STL
3h 14mnonstop
$256Frontier
Find Deal
Thu, Jan 2 - Mon, Jan 6
10:09 pm - 11:34 pmSTL-LAS
27h 25m1 stop
12:59 am - 8:13 amLAS-STL
5h 14m1 stop
$266Frontier
Find Deal
Thu, Jan 2 - Sun, Jan 5
6:49 pm - 11:34 pmSTL-LAS
6h 45m1 stop
8:20 pm - 1:53 pmLAS-STL
15h 33m2 stops
Wed, Jan 1 - Mon, Jan 6
6:49 pm - 11:34 pmSTL-LAS
6h 45m1 stop
7:10 am - 11:59 pmLAS-STL
14h 49m2 stops
Wed, Jan 1 - Sat, Jan 4
10:16 am - 8:29 pmSTL-LAS
12h 13m2 stops
2:00 pm - 1:53 pmLAS-STL
21h 53m1 stop
$668Alaska Airlines
Find Deal
Thu, Jan 2 - Tue, Jan 7
11:42 am - 8:29 pmSTL-LAS
10h 47m2 stops
7:53 am - 11:57 pmLAS-STL
14h 04m2 stops
$673Alaska Airlines
Find Deal
Thu, Jan 2 - Tue, Jan 7
8:50 am - 7:03 pmSTL-LAS
12h 13m1 stop
12:55 am - 10:54 amLAS-STL
7h 59m1 stop
$689United Airlines
Find Deal
Tue, Dec 31 - Mon, Jan 6
2:15 pm - 6:08 pmSTL-LAS
5h 53m1 stop
12:55 am - 10:54 amLAS-STL
7h 59m1 stop
$722Delta
Find Deal
Mon, Dec 30 - Thu, Jan 9
8:50 am - 7:03 pmSTL-LAS
12h 13m1 stop
12:55 am - 10:54 amLAS-STL
7h 59m1 stop
$723United Airlines
Find Deal
Wed, Jan 1 - Mon, Jan 6
6:40 pm - 11:42 pmSTL-LAS
7h 02m1 stop
6:10 am - 1:18 pmLAS-STL
5h 08m1 stop
$767Delta
Find Deal
Sun, Dec 29 - Tue, Jan 7
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
12:20 pm - 5:43 pmLAS-STL
3h 23mnonstop
$67Frontier
Find Deal
Mon, Mar 3 - Wed, Mar 5
6:43 pm - 8:24 pmSTL-LAS
3h 41mnonstop
12:13 pm - 5:36 pmLAS-STL
3h 23mnonstop
$68Frontier
Find Deal
Wed, Feb 26 - Tue, Mar 4
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
12:13 pm - 5:36 pmLAS-STL
3h 23mnonstop
$89Frontier
Find Deal
Sun, Feb 16 - Tue, Feb 25
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
12:13 pm - 5:36 pmLAS-STL
3h 23mnonstop
$90Frontier
Find Deal
Sun, Feb 16 - Tue, Feb 25
6:26 pm - 8:07 pmSTL-LAS
3h 41mnonstop
4:52 pm - 10:08 pmLAS-STL
3h 16mnonstop
$91Frontier
Find Deal
Tue, Feb 25 - Fri, Feb 28
8:52 pm - 10:41 pmSTL-LAS
3h 49mnonstop
12:20 pm - 5:43 pmLAS-STL
3h 23mnonstop
$92Frontier
Find Deal
Sat, Mar 1 - Wed, Mar 5
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
12:20 pm - 5:43 pmLAS-STL
3h 23mnonstop
$93Frontier
Find Deal
Mon, Mar 3 - Wed, Mar 5
8:52 pm - 10:41 pmSTL-LAS
3h 49mnonstop
4:52 pm - 10:08 pmLAS-STL
3h 16mnonstop
$94Frontier
Find Deal
Sat, Feb 22 - Fri, Feb 28
6:20 am - 8:10 amSTL-LAS
3h 50mnonstop
5:30 am - 10:30 amLAS-STL
3h 00mnonstop
$270Southwest
Find Deal
Fri, Jan 31 - Sat, Feb 8
5:45 pm - 7:35 pmSTL-LAS
3h 50mnonstop
6:00 pm - 11:05 pmLAS-STL
3h 05mnonstop
$308Southwest
Find Deal
Sat, Feb 1 - Wed, Feb 5

Frontier flights from St. Louis to Las Vegas

Our best Frontier deals on St. Louis to Las Vegas flight tickets
Frontier
Mar 3
STL11:08 pmLambert-St Louis
3h 49m
LAS12:57 amLas Vegas Harry Reid Intl
Mar 5
LAS12:20 pmLas Vegas Harry Reid Intl
3h 23m
STL5:43 pmLambert-St Louis
Frontier
Feb 26
STL6:43 pmLambert-St Louis
3h 41m
LAS8:24 pmLas Vegas Harry Reid Intl
Mar 4
LAS12:13 pmLas Vegas Harry Reid Intl
3h 23m
STL5:36 pmLambert-St Louis
Frontier
Mar 3
STL6:54 pmLambert-St Louis
7h 00m
1 stop
LAS11:54 pmLas Vegas Harry Reid Intl
Mar 5
LAS12:20 pmLas Vegas Harry Reid Intl
3h 23m
STL5:43 pmLambert-St Louis

Spirit Airlines flights from St. Louis to Las Vegas

Our best Spirit Airlines deals on St. Louis to Las Vegas flight tickets
Spirit Airlines
Jan 7
STL4:27 pmLambert-St Louis
20h 45m
3 stops
LAS11:12 amLas Vegas Harry Reid Intl
Jan 13
LAS6:24 amLas Vegas Harry Reid Intl
30h 19m
3 stops
STL2:43 pmLambert-St Louis
Spirit Airlines
Jan 7
STL4:27 pmLambert-St Louis
20h 45m
3 stops
LAS11:12 amLas Vegas Harry Reid Intl
Jan 13
LAS10:27 pmLas Vegas Harry Reid Intl
14h 16m
1 stop
STL2:43 pmLambert-St Louis
Spirit Airlines
Jan 7
STL4:27 pmLambert-St Louis
23h 40m
2 stops
LAS2:07 pmLas Vegas Harry Reid Intl
Jan 13
LAS10:27 pmLas Vegas Harry Reid Intl
14h 16m
1 stop
STL2:43 pmLambert-St Louis

See travel insights to Las Vegas from

How to get the cheapest flight ticket from St. Louis to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of April is, on average, the cheapest month to fly to Las Vegas from St. Louis, with most prices found around $177. The month of May is another great option to travel to Las Vegas, with average flight prices from St. Louis averaging around $190.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $180. Flights from St. Louis to Las Vegas on a Thursday will generally be more expensive and average around $298. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $200. Flights to Las Vegas are more costly in the morning, with an average ticket price of $327. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Las Vegas Harry Reid Intl flight route?

Fly from Lambert-St Louis to Las Vegas Harry Reid Intl for the best Lambert-St Louis - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

Most flyers found that booking tickets 33 days in advance of their planned departure date is the best time to get cheap flights to Las Vegas. During this timeframe, flight prices are around $243. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $170.

What cabin class options are available on Lambert-St Louis to Las Vegas Harry Reid Intl flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Las Vegas flights?

You could potentially save up to 55% on your flight if you consider stops on a St. Louis to Las Vegas flight.

How have St. Louis to Las Vegas flight prices changed over time?

As of December 2024, prices for St. Louis to Las Vegas flights are approximately 80% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Las Vegas (STL to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Las Vegas

Best Price Found

$53

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from St. Louis in the past 72 hours is $53. The best round-trip flight deal from St. Louis to Las Vegas found on momondo in the last 72 hours is $67.
The fastest flight from St. Louis to Las Vegas takes 3h 35m
Direct flights go from St. Louis to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is Lambert-St Louis to Las Vegas Harry Reid Intl by plane?

    The straight-line distance from Lambert-St Louis to Las Vegas Harry Reid Intl is 1374.1 mi. 3h 39m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Las Vegas Harry Reid Intl Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Las Vegas Harry Reid Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Las Vegas?

  • What is the most popular airline from St. Louis to Las Vegas?


Best airlines flying from St. Louis to Las Vegas

Compare and see reviews for airlines that fly from St. Louis to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $77Free CancellationRating
6.0
3,459 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,104 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
8.0
8,556 reviews
Search Delta flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.1
4,731 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Las Vegas

    Southwest operates around 30 flights from St. Louis to Las Vegas every week. The average price of these flights found in the last 72 hours has been $440, but momondo users have found Southwest deals from St. Louis to Las Vegas from as low as $275 round-trip. Southwest has been scored 8.1/10 in 4,731 reviews.

  • Frontier Flights From St. Louis to Las Vegas

    Another popular option for St. Louis to Las Vegas flights is Frontier (6.0/10, 3,459 ratings). Frontier flies from St. Louis to Las Vegas around 1 time per week, with deals starting from $77 round-trip and rising to an average price of around $206.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Las Vegas with flexible booking policies on momondo?

All flight searches from St. Louis to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Las Vegas?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Las Vegas.

I’m not ready to book a flight from St. Louis to Las Vegas right now. Can momondo alert me if prices change?

Price alerts on flights to Las Vegas from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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