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Cheap flights from Las Vegas to St. Louis from $54

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 12/17. 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.
9:53 pm - 8:13 amLAS-STL
8h 20m1 stop
6:46 pm - 12:02 amSTL-LAS
7h 16m1 stop
$108Frontier
Find Deal
Thu, Dec 5 - Sat, Dec 7
8:18 pm - 9:16 amLAS-STL
10h 58m1 stop
8:31 pm - 10:20 pmSTL-LAS
3h 49mnonstop
$113Frontier
Find Deal
Thu, Jan 16 - Mon, Jan 20
11:36 pm - 10:40 amLAS-STL
9h 04m1 stop
2:29 pm - 6:16 pmSTL-LAS
5h 47m1 stop
$283American Airlines
Find Deal
Sat, Dec 14 - Sun, Dec 15
1:15 pm - 6:25 pmLAS-STL
3h 10mnonstop
5:45 pm - 7:35 pmSTL-LAS
3h 50mnonstop
$308Southwest
Find Deal
Wed, Jan 8 - Sat, Jan 11
12:59 am - 9:47 amLAS-STL
6h 48m1 stop
1:39 pm - 6:48 pmSTL-LAS
7h 09m1 stop
$313United Airlines
Find Deal
Tue, Dec 3 - Wed, Dec 11
12:59 am - 8:54 amLAS-STL
5h 55m1 stop
2:29 pm - 6:16 pmSTL-LAS
5h 47m1 stop
$318American Airlines
Find Deal
Fri, Dec 13 - Sun, Dec 15
8:48 am - 3:21 pmLAS-STL
28h 33m3 stops
4:26 pm - 10:44 pmSTL-LAS
32h 18m3 stops
$352Spirit Airlines
Find Deal
Wed, Dec 4 - Sat, Dec 7
12:59 am - 9:51 amLAS-STL
6h 52m1 stop
4:39 pm - 8:37 pmSTL-LAS
5h 58m1 stop
$356United Airlines
Find Deal
Wed, Feb 12 - Sun, Feb 16
5:53 pm - 4:26 pmLAS-STL
20h 33m2 stops
4:26 pm - 5:28 pmSTL-LAS
27h 02m2 stops
$406Spirit Airlines
Find Deal
Mon, Dec 2 - Sat, Dec 7
3:35 pm - 8:40 pmLAS-STL
3h 05mnonstop
8:30 am - 10:10 amSTL-LAS
3h 40mnonstop
$489Southwest
Find Deal
Fri, Dec 6 - Wed, Dec 11
12:59 am - 8:13 amLAS-STL
5h 14m1 stop
$54Frontier
Find Deal
Tue, Dec 17
8:18 pm - 9:16 amLAS-STL
10h 58m1 stop
$59Frontier
Find Deal
Tue, Jan 21
7:22 pm - 3:21 pmLAS-STL
17h 59m2 stops
$134Spirit Airlines
Find Deal
Sat, Dec 7
12:59 am - 9:55 amLAS-STL
6h 56m1 stop
$158United Airlines
Find Deal
Sun, Jan 19
12:56 am - 3:21 pmLAS-STL
36h 25m3 stops
$171Spirit Airlines
Find Deal
Thu, Dec 5
12:59 am - 10:47 amLAS-STL
7h 48m1 stop
$184American Airlines
Find Deal
Wed, Dec 4
1:50 pm - 10:10 pmLAS-STL
6h 20m2 stops
$193Southwest
Find Deal
Tue, Jan 21
12:59 am - 10:48 amLAS-STL
7h 49m1 stop
$200American Airlines
Find Deal
Sun, Jan 19
5:25 am - 10:30 amLAS-STL
3h 05mnonstop
$230Southwest
Find Deal
Sat, Dec 7
6:05 am - 8:43 pmLAS-STL
12h 38m2 stops
$232United Airlines
Find Deal
Sat, Jan 18
11:52 am - 12:34 pmLAS-STL
22h 42m1 stop
10:17 pm - 11:50 pmSTL-LAS
3h 33mnonstop
$271Frontier
Find Deal
Sat, Nov 23 - Sun, Nov 24
6:00 am - 12:06 amLAS-STL
16h 06m1 stop
10:17 pm - 11:50 pmSTL-LAS
3h 33mnonstop
$294Frontier
Find Deal
Fri, Nov 22 - Sun, Nov 24
12:59 am - 12:06 amLAS-STL
21h 07m1 stop
5:38 pm - 5:44 pmSTL-LAS
26h 06m1 stop
$333Frontier
Find Deal
Fri, Nov 22 - Sun, Nov 24
8:43 pm - 12:06 amLAS-STL
25h 23m1 stop
5:21 pm - 1:37 amSTL-LAS
10h 16m1 stop
Fri, Nov 22 - Sun, Nov 24
8:48 pm - 12:34 pmLAS-STL
13h 46m1 stop
7:41 pm - 11:58 pmSTL-LAS
6h 17m1 stop
$400Frontier
Find Deal
Sat, Nov 23 - Fri, Nov 29
10:40 am - 7:41 amLAS-STL
19h 01m1 stop
5:21 pm - 1:37 amSTL-LAS
10h 16m1 stop
Fri, Nov 22 - Sat, Nov 23
12:59 am - 9:47 amLAS-STL
6h 48m1 stop
8:05 am - 1:12 pmSTL-LAS
7h 07m1 stop
$478United Airlines
Find Deal
Tue, Nov 26 - Sat, Nov 30
7:53 am - 11:30 pmLAS-STL
13h 37m2 stops
6:30 am - 1:12 pmSTL-LAS
8h 42m1 stop
$762United Airlines
Find Deal
Tue, Nov 26 - Fri, Nov 29
2:19 pm - 9:51 amLAS-STL
17h 32m2 stops
2:23 pm - 9:41 pmSTL-LAS
9h 18m1 stop
$1,037Alaska Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
7:00 am - 8:15 pmLAS-STL
11h 15m2 stops
6:17 am - 2:15 pmSTL-LAS
9h 58m2 stops
$2,169Alaska Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
2:10 pm - 7:31 pmLAS-STL
3h 21mnonstop
8:31 pm - 10:20 pmSTL-LAS
3h 49mnonstop
$138Frontier
Find Deal
Thu, Jan 16 - Mon, Jan 20
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$163Frontier
Find Deal
Thu, Dec 5 - Sun, Dec 8
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$168Frontier
Find Deal
Thu, Dec 5 - Sun, Dec 15
4:52 pm - 10:08 pmLAS-STL
3h 16mnonstop
11:08 pm - 12:57 amSTL-LAS
3h 49mnonstop
$170Frontier
Find Deal
Thu, Feb 13 - Sun, Feb 16
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$181Frontier
Find Deal
Fri, Dec 6 - Thu, Dec 12
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$186Frontier
Find Deal
Thu, Dec 5 - Thu, Dec 5
2:20 pm - 7:34 pmLAS-STL
3h 14mnonstop
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$188Frontier
Find Deal
Thu, Dec 5 - Fri, Dec 6
12:22 pm - 5:45 pmLAS-STL
3h 23mnonstop
7:29 pm - 9:06 pmSTL-LAS
3h 37mnonstop
$251Frontier
Find Deal
Fri, Mar 7 - Fri, Mar 14
1:15 pm - 6:25 pmLAS-STL
3h 10mnonstop
5:45 pm - 7:35 pmSTL-LAS
3h 50mnonstop
$308Southwest
Find Deal
Wed, Jan 8 - Sat, Jan 11
3:25 pm - 8:35 pmLAS-STL
3h 10mnonstop
6:10 pm - 7:50 pmSTL-LAS
3h 40mnonstop
$466Southwest
Find Deal
Fri, Dec 27 - Wed, Jan 1

Frontier flights from Las Vegas to St. Louis

Our best Frontier deals on Las Vegas to St. Louis flight tickets
Frontier
Dec 5
LAS9:53 pmLas Vegas Harry Reid Intl
8h 20m
1 stop
STL8:13 amLambert-St Louis
Dec 7
STL6:46 pmLambert-St Louis
7h 16m
1 stop
LAS12:02 amLas Vegas Harry Reid Intl
Frontier
Jan 16
LAS8:18 pmLas Vegas Harry Reid Intl
10h 58m
1 stop
STL9:16 amLambert-St Louis
Jan 20
STL8:31 pmLambert-St Louis
3h 49m
LAS10:20 pmLas Vegas Harry Reid Intl
Frontier
Dec 4
LAS11:40 pmLas Vegas Harry Reid Intl
21h 44m
1 stop
STL11:24 pmLambert-St Louis
Dec 7
STL6:46 pmLambert-St Louis
7h 16m
1 stop
LAS12:02 amLas Vegas Harry Reid Intl

Delta flights from Las Vegas to St. Louis

Our best Delta deals on Las Vegas to St. Louis flight tickets
Delta
Jan 7
LAS12:50 amLas Vegas Harry Reid Intl
8h 04m
1 stop
STL10:54 amLambert-St Louis
Jan 11
STL5:00 pmLambert-St Louis
7h 01m
1 stop
LAS10:01 pmLas Vegas Harry Reid Intl
Delta
Dec 21
LAS11:31 amLas Vegas Harry Reid Intl
8h 35m
1 stop
STL10:06 pmLambert-St Louis
Dec 28
STL6:04 amLambert-St Louis
8h 27m
1 stop
LAS12:31 pmLas Vegas Harry Reid Intl

See travel insights to St. Louis from

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 to St. Louis?

In general, September is the cheapest month to fly from Las Vegas to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $152. The month of June is another great option to travel to St. Louis, with average flight prices from Las Vegas averaging around $154.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $167. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $288. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Las Vegas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $192 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $245 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

The best time to book a flight to St. Louis from Las Vegas is 27 days out, which is when prices tend to be around $222. In the past 72 hours, momondo users found flights from Las Vegas to St. Louis for as low as $80.

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

There are 1 cabin classes available to choose from on Las Vegas Harry Reid Intl to Lambert-St Louis 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 Las Vegas to St. Louis flights?

You could potentially save up to 14% on your flight if you consider stops on a Las Vegas to St. Louis flight.

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

As of November 2024, prices for Las Vegas to St. Louis flights are approximately 12% cheaper 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

$54

Fastest flight time

3h 05m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Las Vegas in the past 72 hours is $54. The best round-trip flight deal from Las Vegas to St. Louis found on momondo in the last 72 hours is $108.
The fastest flight from Las Vegas to St. Louis takes 3h 05m
Direct flights go from Las Vegas to St. Louis every day.
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 $78Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
8.0
8,755 reviews
Search Delta flights
SouthwestPriceFrom $279Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
  • Southwest Flights From Las Vegas to St. Louis

    Across 28 Southwest flights from Las Vegas to St. Louis this week, the average price was $409, with the best Southwest deals starting from $279 round-trip. 5,005 users have rated Southwest on momondo, with an average score of 8.1/10.

  • United Airlines Flights From Las Vegas to St. Louis

    United Airlines is also a popular choice for this route. United Airlines flight deals for Las Vegas to St. Louis start from as low as $318 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $508. United Airlines operates 2 flights to St. Louis from Las Vegas in an average week. Users have rated it 7.4/10 across 9,172 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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