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Cheap flights from Las Vegas to St. Louis from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to St. Louis departing on 12/19. 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 Las Vegas to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Las Vegas to St. Louis 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 Las Vegas to St. Louis.

Cheap last minute flights

Planning a quick getaway from Las Vegas to St. Louis? 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 St. Louis, so you can enjoy a seamless trip without layovers.

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

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

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$77Frontier
Find Deal
Fri, Dec 6 - Sun, Dec 8
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$78Frontier
Find Deal
Thu, Dec 5 - Sun, Dec 8
10:09 am - 4:34 pmLAS-STL
28h 25m3 stops
5:21 pm - 1:37 amSTL-LAS
10h 16m1 stop
$260Spirit Airlines
Find Deal
Mon, Nov 18 - Thu, Nov 21
7:30 pm - 8:42 amLAS-STL
35h 12m3 stops
5:11 pm - 11:59 pmSTL-LAS
8h 48m1 stop
$261Spirit Airlines
Find Deal
Fri, Nov 1 - Sun, Nov 3
12:59 am - 10:47 amLAS-STL
7h 48m1 stop
5:29 pm - 9:39 pmSTL-LAS
6h 10m1 stop
$288American Airlines
Find Deal
Wed, Dec 4 - Sun, Dec 8
8:00 am - 4:38 pmLAS-STL
6h 38m1 stop
4:45 pm - 9:42 pmSTL-LAS
6h 57m1 stop
$368United Airlines
Find Deal
Fri, Nov 29 - Sat, Dec 7
3:38 pm - 12:43 pmLAS-STL
19h 05m2 stops
4:45 pm - 9:42 pmSTL-LAS
6h 57m1 stop
$408United Airlines
Find Deal
Mon, Dec 9 - Tue, Dec 17
12:59 am - 8:54 amLAS-STL
5h 55m1 stop
1:36 pm - 5:37 pmSTL-LAS
6h 01m1 stop
$409American Airlines
Find Deal
Sun, Dec 8 - Tue, Dec 17
5:30 am - 10:35 amLAS-STL
3h 05mnonstop
8:30 pm - 12:40 amSTL-LAS
6h 10m1 stop
$419Southwest
Find Deal
Fri, Nov 22 - Mon, Nov 25
6:45 pm - 11:50 pmLAS-STL
3h 05mnonstop
7:50 pm - 9:25 pmSTL-LAS
3h 35mnonstop
$460Southwest
Find Deal
Fri, Nov 22 - Mon, Nov 25
6:00 am - 11:10 amLAS-STL
3h 10mnonstop
$38Frontier
Find Deal
Thu, Dec 19
1:19 pm - 6:40 pmLAS-STL
3h 21mnonstop
$44Frontier
Find Deal
Thu, Nov 21
7:03 am - 8:42 amLAS-STL
23h 39m2 stops
$114Spirit Airlines
Find Deal
Sat, Nov 2
7:00 am - 4:26 pmLAS-STL
31h 26m2 stops
$125Spirit Airlines
Find Deal
Wed, Nov 20
3:55 pm - 12:16 amLAS-STL
6h 21m1 stop
$129United Airlines
Find Deal
Thu, Nov 21
7:53 am - 11:30 pmLAS-STL
13h 37m2 stops
$174United Airlines
Find Deal
Tue, Nov 19
4:30 pm - 11:56 pmLAS-STL
5h 26m1 stop
$184American Airlines
Find Deal
Mon, Nov 11
7:55 pm - 1:05 amLAS-STL
3h 10mnonstop
$225Southwest
Find Deal
Mon, Oct 28
9:55 am - 7:29 pmLAS-STL
7h 34m2 stops
$229American Airlines
Find Deal
Tue, Dec 17
7:30 pm - 12:45 amLAS-STL
3h 15mnonstop
$235Southwest
Find Deal
Sun, Oct 27
8:44 pm - 11:47 pmLAS-STL
25h 03m1 stop
10:59 pm - 12:41 amSTL-LAS
3h 42mnonstop
$246Frontier
Find Deal
Thu, Oct 24 - Sun, Oct 27
4:16 pm - 9:41 pmLAS-STL
3h 25mnonstop
10:59 pm - 12:41 amSTL-LAS
3h 42mnonstop
$266Frontier
Find Deal
Thu, Oct 24 - Sun, Oct 27
8:44 pm - 11:47 pmLAS-STL
25h 03m1 stop
3:51 pm - 4:25 pmSTL-LAS
26h 34m1 stop
$296Frontier
Find Deal
Thu, Oct 24 - Mon, Oct 28
7:03 am - 7:42 amLAS-STL
22h 39m2 stops
8:33 am - 10:39 pmSTL-LAS
16h 06m1 stop
$392Spirit Airlines
Find Deal
Thu, Oct 24 - Mon, Oct 28
7:03 am - 7:42 amLAS-STL
22h 39m2 stops
5:11 pm - 12:59 amSTL-LAS
9h 48m1 stop
$397Spirit Airlines
Find Deal
Thu, Oct 24 - Sat, Oct 26
12:59 am - 9:47 amLAS-STL
6h 48m1 stop
4:55 pm - 9:27 pmSTL-LAS
6h 32m1 stop
$568United Airlines
Find Deal
Sat, Oct 26 - Sun, Oct 27
10:30 am - 5:10 pmLAS-STL
4h 40m1 stop
7:10 pm - 8:45 pmSTL-LAS
3h 35mnonstop
$729Southwest
Find Deal
Tue, Oct 22 - Tue, Oct 29
4:15 pm - 9:30 pmLAS-STL
3h 15mnonstop
7:10 pm - 8:45 pmSTL-LAS
3h 35mnonstop
$734Southwest
Find Deal
Tue, Oct 22 - Tue, Oct 29
12:50 am - 10:15 amLAS-STL
7h 25m1 stop
8:05 am - 7:03 pmSTL-LAS
12h 58m2 stops
$787United Airlines
Find Deal
Fri, Oct 25 - Tue, Oct 29
1:18 am - 10:46 amLAS-STL
7h 28m1 stop
12:47 pm - 5:47 pmSTL-LAS
7h 00m1 stop
$1,011American Airlines
Find Deal
Fri, Oct 25 - Sat, Oct 26
3:41 pm - 8:59 pmLAS-STL
3h 18mnonstop
10:59 pm - 12:32 amSTL-LAS
3h 33mnonstop
$166Frontier
Find Deal
Fri, Nov 8 - Sun, Nov 10
4:16 pm - 9:41 pmLAS-STL
3h 25mnonstop
10:59 pm - 12:41 amSTL-LAS
3h 42mnonstop
$168Frontier
Find Deal
Thu, Oct 31 - Mon, Nov 4
4:11 pm - 9:27 pmLAS-STL
3h 16mnonstop
10:59 pm - 12:32 amSTL-LAS
3h 33mnonstop
$216Frontier
Find Deal
Thu, Nov 14 - Mon, Nov 18
3:54 pm - 9:12 pmLAS-STL
3h 18mnonstop
10:59 pm - 12:32 amSTL-LAS
3h 33mnonstop
$218Frontier
Find Deal
Fri, Nov 15 - Mon, Nov 18
4:44 pm - 10:00 pmLAS-STL
3h 16mnonstop
7:40 pm - 9:22 pmSTL-LAS
3h 42mnonstop
$310Frontier
Find Deal
Mon, Nov 18 - Thu, Nov 21
4:44 pm - 10:00 pmLAS-STL
3h 16mnonstop
10:59 pm - 12:32 amSTL-LAS
3h 33mnonstop
$314Frontier
Find Deal
Sun, Nov 10 - Sun, Nov 17
3:15 pm - 8:29 pmLAS-STL
3h 14mnonstop
12:00 pm - 1:56 pmSTL-LAS
3h 56mnonstop
$412Frontier
Find Deal
Fri, Dec 20 - Sun, Jan 5
3:15 pm - 8:29 pmLAS-STL
3h 14mnonstop
12:00 pm - 1:56 pmSTL-LAS
3h 56mnonstop
$428Frontier
Find Deal
Fri, Dec 20 - Sun, Dec 22
6:45 pm - 11:50 pmLAS-STL
3h 05mnonstop
7:50 pm - 9:25 pmSTL-LAS
3h 35mnonstop
$460Southwest
Find Deal
Fri, Nov 22 - Mon, Nov 25
6:45 pm - 11:50 pmLAS-STL
3h 05mnonstop
7:50 pm - 9:25 pmSTL-LAS
3h 35mnonstop
$470Southwest
Find Deal
Fri, Nov 22 - Sun, Nov 24

Frontier flights from Las Vegas to St. Louis

Our best Frontier deals on Las Vegas to St. Louis flight tickets
Frontier
Dec 6
LAS2:20 pmLas Vegas Harry Reid Intl
3h 14m
STL7:34 pmLambert-St Louis
Dec 8
STL8:34 pmLambert-St Louis
3h 55m
LAS10:29 pmLas Vegas Harry Reid Intl
Frontier
Dec 5
LAS2:20 pmLas Vegas Harry Reid Intl
3h 14m
STL7:34 pmLambert-St Louis
Dec 8
STL8:34 pmLambert-St Louis
3h 55m
LAS10:29 pmLas Vegas Harry Reid Intl
Frontier
Dec 5
LAS2:06 pmLas Vegas Harry Reid Intl
16h 07m
1 stop
STL8:13 amLambert-St Louis
Dec 8
STL8:34 pmLambert-St Louis
3h 55m
LAS10:29 pmLas Vegas Harry Reid Intl

Spirit Airlines flights from Las Vegas to St. Louis

Our best Spirit Airlines deals on Las Vegas to St. Louis flight tickets
Spirit Airlines
Nov 18
LAS10:09 amLas Vegas Harry Reid Intl
28h 25m
3 stops
STL4:34 pmLambert-St Louis
Nov 21
STL5:21 pmLambert-St Louis
10h 16m
1 stop
LAS1:37 amLas Vegas Harry Reid Intl
Spirit Airlines
Nov 1
LAS7:30 pmLas Vegas Harry Reid Intl
35h 12m
3 stops
STL8:42 amLambert-St Louis
Nov 3
STL5:11 pmLambert-St Louis
8h 48m
1 stop
LAS11:59 pmLas Vegas Harry Reid Intl
Spirit Airlines
Nov 8
LAS9:35 pmLas Vegas Harry Reid Intl
16h 59m
2 stops
STL4:34 pmLambert-St Louis
Nov 10
STL5:29 pmLambert-St Louis
9h 28m
1 stop
LAS12:57 amLas Vegas Harry Reid Intl

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

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 cheapest month to fly from Las Vegas to St. Louis?

September. The cheapest time of year to fly to St. Louis from Las Vegas is September. Most expensive is December

What is the cheapest day to depart Las Vegas for St. Louis?

Friday. The cheapest day of the week is typically Friday. The most expensive is typically Saturday

When is the cheapest time to fly from Las Vegas to St. Louis?

In the morning. Las Vegas to St. Louis flights are approximately 37% more expensive at noon than in the morning

What is the cheapest airline that flies to St. Louis from Las Vegas?

Spirit Airlines. Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Las Vegas to St. Louis

What is the cheapest Las Vegas to St. Louis flight route?

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

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

24 days before. The cheapest time to buy a flight from Las Vegas to St. Louis is approximately 24 days to departure

How many flights depart from Las Vegas to St. Louis on average per day?

7 flights are operational weekly from Las Vegas to St. Louis as of October 2024. The most popular departure time for this route is 12:00PM, with 45% of flights per day taking off in the afternoon.

How many flights depart from Las Vegas to St. Louis on average per week?

55 flights are operational weekly from Las Vegas to St. Louis as of October 2024. The most popular departure day for this route is Monday, with 18% of flights per week taking off on this day.

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

No. A direct flight is the cheapest option for a flight between Las Vegas to St. Louis.

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

As of October 2024, prices for Las Vegas to St. Louis flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to St. Louis

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

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

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

Best Price Found

$38

Fastest flight time

3h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Las Vegas in the past 72 hours is $38. The best round-trip flight deal from Las Vegas to St. Louis found on momondo in the last 72 hours is $77.
The fastest flight from Las Vegas to St. Louis takes 3h 05m
Direct flights go from Las Vegas to St. Louis on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Southwest and Frontier.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Las Vegas Harry Reid Intl and Lambert-St Louis are 1374.1 mi apart from one another. Flights usually cover this in 3h 05m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis 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 Las Vegas to St. Louis?

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


Best airlines flying from Las Vegas to St. Louis

Compare and see reviews for airlines that fly from Las Vegas to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $79Free CancellationRating
6.1
3,621 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,202 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.1
5,158 reviews
Search Southwest flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,892 reviews
Search Delta flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,302 reviews
Search United Airlines flights
  • Southwest Flights From Las Vegas to St. Louis

    Across 52 Southwest flights from Las Vegas to St. Louis this week, the average price was $400, with the best Southwest deals starting from $240 round-trip. 5,160 users have rated Southwest on momondo, with an average score of 8.1/10.

  • Frontier Flights From Las Vegas to St. Louis

    Frontier is also a popular choice for this route. Frontier flight deals for Las Vegas to St. Louis start from as low as $79 round-trip, depending on your selected dates, with average Frontier deals seen on momondo around $179. Frontier operates 3 flights to St. Louis from Las Vegas in an average week. Users have rated it 6.1/10 across 3,621 reviews.


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to St. Louis for you.

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

momondo does allow users to show only those flights to St. Louis from Las Vegas which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Las Vegas and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Las Vegas to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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