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$48+ Cheap flights from Missouri to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAS
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from Missouri to Las Vegas

Cheapest flights from Missouri to Las Vegas
Explore the most affordable flight options available from Missouri to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:47 pmSGF - LAS
Nonstop3h 13mAllegiant Air
vie. 12/54:04 pmLAS - SGF
Nonstop2h 53mAllegiant Air
Deal found 10/30$124
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:30 amMCI - LAS
Nonstop3h 09mMultiple Airlines
dom. 12/1412:59 amLAS - MCI
1 stop16h 51mMultiple Airlines
Deal found 10/30$135
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/198:45 pmMCI - LAS
1 stop24h 45mMultiple Airlines
mar. 12/2310:09 amLAS - MCI
Nonstop2h 43mMultiple Airlines
Deal found 10/28$136
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:52 amMCI - LAS
1 stop11h 04mMultiple Airlines
vie. 12/510:09 amLAS - MCI
Nonstop2h 43mMultiple Airlines
Deal found 10/27$137
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:52 amMCI - LAS
1 stop11h 04mMultiple Airlines
mié. 12/104:00 pmLAS - MCI
Nonstop2h 44mMultiple Airlines
Deal found 10/27$138
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1212:13 pmMCI - LAS
1 stop11h 57mFrontier
dom. 12/1412:59 amLAS - MCI
1 stop16h 51mFrontier
Deal found 10/30$142
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:12 amMCI - LAS
1 stop12h 16mFrontier
mié. 11/124:56 pmLAS - MCI
1 stop24h 42mFrontier
Deal found 10/28$143
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/108:28 pmMCI - LAS
1 stop14h 04mFrontier
mié. 11/1212:59 amLAS - MCI
1 stop16h 39mFrontier
Deal found 10/29$144
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:12 amMCI - LAS
1 stop12h 16mFrontier
mar. 11/1112:34 pmLAS - MCI
1 stop26h 45mFrontier
Deal found 10/28$145
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/181:23 pmMCI - LAS
Nonstop3h 05mSpirit Airlines
jue. 11/203:23 pmLAS - MCI
Nonstop2h 40mSpirit Airlines
Deal found 10/30$146
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2511:53 amMCI - LAS
1 stop10h 47mMultiple Airlines
mié. 1/710:09 amLAS - MCI
Nonstop2h 43mMultiple Airlines
Deal found 10/29$147
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/812:46 pmMCI - LAS
1 stop10h 56mFrontier
jue. 12/115:07 pmLAS - MCI
1 stop18h 46mFrontier
Deal found 10/29$149

Cheap flight deals from Missouri to Las Vegas

Keep the following information in mind while searching for Missouri to Las Vegas flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$135
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$276

Good round-trip deal

$163 or less

Good one-way deal

$117 or less
Provider with most accurate pricing for Lambert-St Louis-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Las Vegas Harry Reid Intl flights.
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From Missouri to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Missouri to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Missouri to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Missouri to Las Vegas Harry Reid Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Missouri to Las Vegas that are best for you.

Fly from

Missouri

Fly to

Las Vegas

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

sáb. 1/24

5:50 pm-7:35 pm

Nonstop3h 45m

Las Vegas Harry Reid Intl

mié. 1/28

10:50 am-5:10 pm

1 stop4h 20m

$203

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

dom. 1/18

10:15 am-1:25 pm

1 stop5h 10m

Las Vegas Harry Reid Intl

mié. 1/21

10:50 am-5:10 pm

1 stop4h 20m

$208

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

jue. 1/8

10:15 am-2:45 pm

2 stops6h 30m

Las Vegas Harry Reid Intl

lun. 1/12

5:15 pm-10:20 pm

Nonstop3h 05m

$212

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

sáb. 11/29

6:00 am-10:51 am

1 stop6h 51m

Las Vegas Harry Reid Intl

jue. 12/4

2:07 pm-11:29 pm

1 stop7h 22m

$235

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

mié. 12/10

1:35 pm-7:00 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

sáb. 12/13

12:59 am-10:04 am

1 stop7h 05m

$235

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

mar. 12/9

2:20 pm-6:18 pm

1 stop5h 58m

Las Vegas Harry Reid Intl

sáb. 12/13

6:25 am-4:49 pm

1 stop8h 24m

$235

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

mar. 12/16

6:30 am-12:12 pm

1 stop7h 42m

Las Vegas Harry Reid Intl

vie. 12/19

2:07 pm-11:27 pm

1 stop7h 20m

$235

SpringfieldLas Vegas

SGF - LAS

SGFLAS

Springfield-Branson

vie. 12/12

9:47 pm-11:00 pm

Nonstop3h 13m

Las Vegas Harry Reid Intl

vie. 12/19

9:15 am-5:54 pm

2 stops30h 39m

$254

JoplinLas Vegas

JLN - LAS

JLNLAS

Joplin

mié. 1/14

8:52 am-3:20 pm

1 stop8h 28m

Las Vegas Harry Reid Intl

sáb. 1/17

7:15 am-5:34 pm

1 stop8h 19m

$254

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

mar. 12/23

7:06 pm-11:44 pm

1 stop6h 38m

Las Vegas Harry Reid Intl

sáb. 12/27

1:30 pm-9:34 pm

1 stop6h 04m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Las Vegas

What is the cheapest month to book a flight from Missouri to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Missouri to Las Vegas (average of $62). Flying from Missouri to Las Vegas in July is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to LAS?

Find hourly flight availability from Missouri to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s typically best to fly out from Missouri to Las Vegas in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Missouri to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Las Vegas. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Las Vegas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Missouri to Las Vegas?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Missouri?

    For a flight from Missouri to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city.

  • How popular is this Missouri to Las Vegas flight route?

    This flight path from Missouri to Las Vegas Harry Reid Intl was viewed by 160 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Missouri to Las Vegas?

    Departing from Missouri to Las Vegas will take you 3h 45m. There are 1367 mi between Missouri and Las Vegas. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to Las Vegas one-way?

    $55 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Allegiant Air and Southwest, with prices starting from $79 and $99, respectively.

  • What are the most popular routes from Missouri to Las Vegas?

    The most popular flight routes from Missouri to Las Vegas are Lambert-St Louis - Las Vegas Harry Reid Intl, Kansas City - Las Vegas Harry Reid Intl and Springfield-Branson - Las Vegas Harry Reid Intl.

  • What are the most reliable airlines from Missouri to Las Vegas?

    No one likes to see their flight delayed. When booking a flight from Missouri to Las Vegas consider choosing Southwest (76%), Frontier (73%) or Sun Country Air (0%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Las Vegas?

    Looking for the cheapest flight from Missouri to Las Vegas? While on average our users pay $259, our data indicates the cheapest price to be $74. The most popular route (Lambert-St Louis - Las Vegas Harry Reid Intl), is priced around $149.

  • Can I find deals for flights from Missouri to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Missouri to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Las Vegas.

  • Can I find deals for business class flights from Missouri to Las Vegas?

    Yes. Cheapflights offers flight deals from Missouri to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Las Vegas (average of $62). Flying from Missouri to Las Vegas in July is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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Alternative routes for Missouri to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Missouri to Las Vegas

Discover the top 8 airlines that operate flights from Missouri to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$102Average$224FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$104Average$227FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$158Average$458FlexibilityNo cancel feeOn-time71%
DeltaCheapest$171Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$451FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$403FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$269Average$458FlexibilityNo cancel feeOn-time63%

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