Cheap flights from St. Louis to Las Vegas from £105
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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from St. Louis to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 March 2025.
Round-trip from | £205 |
---|---|
One-way from | £105 |
Popular in | December |
Cheapest in | May |
Average price | £224 |
Find flight deals from St. Louis to Las Vegas
Cheapest flights from St. Louis to Las VegasExplore the most affordable flight options available from St. Louis to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.
Explore the most affordable flight options available from St. Louis to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from St. Louis 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 858,174 searches. Data last updated 29 March 2025.
Use the filters below to find and compare flights from St. Louis to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 18/5
07:30-17:46
1 stop12h 16m
Las Vegas Harry Reid Intl
Thu 22/5
18:43-11:25
1 stop14h 42m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Fri 18/4
20:55-22:25
Nonstop3h 30m
Las Vegas Harry Reid Intl
Mon 21/4
19:40-00:50
Nonstop3h 10m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 22/4
17:34-22:45
1 stop7h 11m
Las Vegas Harry Reid Intl
Sat 26/4
06:00-13:28
1 stop5h 28m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 22/4
06:30-18:30
2 stops14h 00m
Las Vegas Harry Reid Intl
Fri 25/4
10:08-23:59
1 stop11h 51m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Fri 25/7
14:27-16:03
Nonstop3h 36m
Las Vegas Harry Reid Intl
Wed 30/7
21:48-13:49
1 stop14h 01m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 3/6
13:42-20:29
2 stops8h 47m
Las Vegas Harry Reid Intl
Wed 4/6
00:59-09:39
1 stop6h 40m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sat 3/5
05:50-07:25
Nonstop3h 35m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sat 12/4
18:45-17:42
1 stop24h 57m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Wed 7/5
06:30-14:11
1 stop9h 41m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Wed 23/4
17:34-22:45
1 stop7h 11m
Best time to book a flight from St. Louis to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Las Vegas
How far ahead should I book a flight from St. Louis to Las Vegas?
Use this chart to determine the optimal time to book a return flight from St. Louis to Las Vegas. Price data was last updated on 21 March 2025.
The price you pay for your flight from St. Louis to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of £689). Flying from St. Louis to Las Vegas in July is currently the most expensive (average of £1,020). 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 STL to LAS?
Find hourly flight availability from St. Louis 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 29 March 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Las Vegas as you normally would.
Rainfall in Las Vegas by month
Plan your trip to Las Vegas by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.
Temperature in Las Vegas by month
Plan your trip to Las Vegas by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 29 March 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from St. Louis to Las Vegas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Crew
Food
Boarding
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip to Las Vegas by adding a car hire and/or hotel booking to your travel itinerary.
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Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Las Vegas flexibly with Cheapflights today.
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