€105 Cheap Flights St. Louis to Las Vegas (STL-LAS)

View €105 flight on Mon, 21 Apr 2025Opens in a new window

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

Prices were available within the past 7 days and start at €105 for one-way flights and €269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€269 Return, found 2 hours ago
€269
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €269 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€288 Return, found 2 hours ago
€288
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €288 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€289 Return, found 2 hours ago
€289
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €289 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€295 Return, found 2 hours ago
€295
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €295 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€307 Return, found 2 hours ago
€307
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €307 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€311 Return, found 2 hours ago
€311
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €311 found 2 hours ago
Delta
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€312 Return, found 2 hours ago
€312
Return
found 2 hours ago
Select Delta flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €312 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€314 Return, found 2 hours ago
€314
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €314 found 2 hours ago
American Airlines
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€325 Return, found 2 hours ago
€325
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €325 found 2 hours ago
United
Fri, 2 May - Wed, 7 May
STL
St. Louis
LAS
Las Vegas
€349 Return, found 2 hours ago
€349
Return
found 2 hours ago
Select United flight, departing Fri, 2 May from St. Louis to Las Vegas, returning Wed, 7 May, priced at €349 found 2 hours ago
St. Louis to Las Vegas route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, United
Return price
€269
Distance
2188 km

Perfect flights from St. Louis to Las Vegas

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from St. Louis to Las Vegas. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Las Vegas, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Lambert-St. Louis Intl. to Harry Reid Intl. ticket options cater to your travel preferences, with incredible one-way fares from €105 and roundtrip prices from €269. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Harry Reid Intl. and explore Las Vegas and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your STL to LAS travel arrangements today and embark on the journey of a lifetime in Las Vegas.

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 €269. 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 cancelled 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 kilometres 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.
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