CA $31 Cheap Flights from St. Louis (STL) to Las Vegas (LAS)

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Cheap flights from St. Louis (STL) to Las Vegas (LAS)

Prices were available within the past 7 days and start at CA $31 for one-way flights and CA $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon., Jun. 3 - Wed., Jun. 12
STL
St. Louis
LAS
Las Vegas
CA $88 Roundtrip, found 2 days ago
CA $88
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon., Jun. 3 from St. Louis to Las Vegas, returning Wed., Jun. 12, priced at CA $88 found 2 days ago
Frontier Airlines
Mon., Jun. 24 - Wed., Jun. 26
STL
St. Louis
LAS
Las Vegas
CA $146 Roundtrip, found 2 days ago
CA $146
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon., Jun. 24 from St. Louis to Las Vegas, returning Wed., Jun. 26, priced at CA $146 found 2 days ago
Frontier Airlines
Mon., Jun. 24 - Thu., Jun. 27
STL
St. Louis
LAS
Las Vegas
CA $162 Roundtrip, found 2 days ago
CA $162
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon., Jun. 24 from St. Louis to Las Vegas, returning Thu., Jun. 27, priced at CA $162 found 2 days ago
Spirit Airlines
Mon., Aug. 19 - Wed., Aug. 28
STL
St. Louis
LAS
Las Vegas
CA $163 Roundtrip, found 2 days ago
CA $163
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon., Aug. 19 from St. Louis to Las Vegas, returning Wed., Aug. 28, priced at CA $163 found 2 days ago
Frontier Airlines
Mon., Jul. 8 - Wed., Jul. 10
STL
St. Louis
LAS
Las Vegas
CA $165 Roundtrip, found 16 hours ago
CA $165
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Mon., Jul. 8 from St. Louis to Las Vegas, returning Wed., Jul. 10, priced at CA $165 found 16 hours ago
Frontier Airlines
Wed., Jun. 26 - Tue., Jul. 2
STL
St. Louis
LAS
Las Vegas
CA $167 Roundtrip, found 2 days ago
CA $167
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed., Jun. 26 from St. Louis to Las Vegas, returning Tue., Jul. 2, priced at CA $167 found 2 days ago
Frontier Airlines
Fri., Jul. 5 - Wed., Jul. 10
STL
St. Louis
LAS
Las Vegas
CA $177 Roundtrip, found 16 hours ago
CA $177
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri., Jul. 5 from St. Louis to Las Vegas, returning Wed., Jul. 10, priced at CA $177 found 16 hours ago
Frontier Airlines
Sat., Jul. 6 - Wed., Jul. 10
STL
St. Louis
LAS
Las Vegas
CA $179 Roundtrip, found 16 hours ago
CA $179
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat., Jul. 6 from St. Louis to Las Vegas, returning Wed., Jul. 10, priced at CA $179 found 16 hours ago
Frontier Airlines
Sat., Jun. 22 - Wed., Jun. 26
STL
St. Louis
LAS
Las Vegas
CA $181 Roundtrip, found 2 days ago
CA $181
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat., Jun. 22 from St. Louis to Las Vegas, returning Wed., Jun. 26, priced at CA $181 found 2 days ago
Frontier Airlines
Mon., Jun. 24 - Tue., Jul. 2
STL
St. Louis
LAS
Las Vegas
CA $183 Roundtrip, found 2 days ago
CA $183
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon., Jun. 24 from St. Louis to Las Vegas, returning Tue., Jul. 2, priced at CA $183 found 2 days ago
Flight from St. Louis to Las Vegas (STL - LAS) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
CA $88
Distance
2188 km

St. Louis to Las Vegas Flights

The easy way to book your flights from St. Louis to Las Vegas 

With Expedia, it’s simple to find and book flights to Las Vegas from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Frontier Airlines, Southwest Airlines nonstop flights to Harry Reid Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Las Vegas today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Harry Reid Intl., LAS 

Sort your search results by price to find great deals on your flight from St. Louis to Las Vegas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Las Vegas from St. Louis currently is just CA $88 rising to CA $183.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Las Vegas  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Las Vegas from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Las Vegas with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to Harry Reid Airport (formerly McCarran Airport)?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between St. Louis Lambert International Airport and Harry Reid Airport (formerly McCarran Airport) start from CA $88. Book today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Harry Reid Airport (formerly McCarran Airport)?
Most flights can be canceled online, but each air carrier has a different set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from St. Louis Lambert International Airport to LAS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to Harry Reid Airport (formerly McCarran Airport) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert Field to Harry Reid Airport (formerly McCarran Airport)?
It’s around 2,200 kilometers between Lambert Field and LAS, so you’ll be flying for a while. Keep yourself entertained with things like crossword puzzles or a good old-fashioned book.
Which airlines fly direct from Lambert Field to Harry Reid Airport (formerly McCarran Airport)?
There are several airlines that fly from STL to Harry Reid Airport (formerly McCarran Airport). Southwest Airlines (WN) is a popular option, offering 108 flights on this route each month. Offering 39 flights a month on this route, Frontier Airlines (F9) is another good option.
Are St. Louis Lambert International Airport to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some of the cheapest airfares from STL to LAS emerging a few weeks before the departure date. If you’d rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines publish prices so far in advance.
*Available to Expedia members.