$23 Cheap Flights from St. Louis (STL) to Las Vegas (LAS)

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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 $23 for one-way flights and $45 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, May 29 - Wed, Jun 12
STL
St. Louis
LAS
Las Vegas
$45 Roundtrip, found 13 hours ago
$45
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Wed, Jun 12, priced at $45 found 13 hours ago
Frontier Airlines
Wed, May 29 - Wed, Jun 12
STL
St. Louis
LAS
Las Vegas
$49 Roundtrip, found 13 hours ago
$49
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Wed, Jun 12, priced at $49 found 13 hours ago
Spirit Airlines
Wed, May 29 - Fri, May 31
STL
St. Louis
LAS
Las Vegas
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Fri, May 31, priced at $58 found 3 hours ago
Frontier Airlines
Mon, Jun 3 - Wed, Jun 12
STL
St. Louis
LAS
Las Vegas
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jun 3 from St. Louis to Las Vegas, returning Wed, Jun 12, priced at $58 just found
Frontier Airlines
Wed, May 29 - Fri, May 31
STL
St. Louis
LAS
Las Vegas
$61 Roundtrip, found 3 hours ago
$61
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Fri, May 31, priced at $61 found 3 hours ago
Spirit Airlines
Mon, Jun 3 - Wed, Jun 12
STL
St. Louis
LAS
Las Vegas
$65 Roundtrip, just found
$65
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Jun 3 from St. Louis to Las Vegas, returning Wed, Jun 12, priced at $65 just found
Spirit Airlines
Wed, May 29 - Wed, Jun 5
STL
St. Louis
LAS
Las Vegas
$65 Roundtrip, found 1 hour ago
$65
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Wed, Jun 5, priced at $65 found 1 hour ago
Frontier Airlines
Wed, May 29 - Wed, Jun 5
STL
St. Louis
LAS
Las Vegas
$68 Roundtrip, found 1 hour ago
$68
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 29 from St. Louis to Las Vegas, returning Wed, Jun 5, priced at $68 found 1 hour ago
Frontier Airlines
Sun, May 26 - Wed, May 29
STL
St. Louis
LAS
Las Vegas
$70 Roundtrip, found 1 hour ago
$70
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 26 from St. Louis to Las Vegas, returning Wed, May 29, priced at $70 found 1 hour ago
Frontier Airlines
Sun, Jun 2 - Wed, Jun 12
STL
St. Louis
LAS
Las Vegas
$70 Roundtrip, found 9 hours ago
$70
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Jun 2 from St. Louis to Las Vegas, returning Wed, Jun 12, priced at $70 found 9 hours ago
Flights from St. Louis (STL) to Las Vegas (LAS)
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
$44
Distance
1368 mi
Average flight time
1 hour 33 mins

St. Louis to Las Vegas Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Las Vegas offer the perfect respite. Not only does exploring Las Vegas provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Las Vegas may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from STL to LAS today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Las Vegas are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Las Vegas more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Las Vegas is $23 now!

Frequently asked questions

How much is a one-way flight from Lambert-St. Louis Intl. Airport (STL) to McCarran Intl. Airport (LAS)?
You can find one-way St. Louis flights to Las Vegas starting from only $23. This is based on the cheapest fare found on Expedia for this route departing in the next three months and was last updated on May 7 2024 and has not changed since. This particular fare is for an Spirit Airlines service, leaving Lambert-St. Louis Intl. Airport (STL) on May 29 2024 and coming in to land at LAS.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Harry Reid Airport (formerly McCarran Airport)?
Frontier Airlines operates a direct flight departing Lambert Field at 6:15AM and reaching Harry Reid Airport (formerly McCarran Airport) at 7:45AM — a total flight duration of 3 hours and 30 minutes. Secure the seat that’s right for you, bring your headphones to keep you entertained and the time will speed by.
Is it cheaper to buy a plane ticket from St. Louis Lambert International Airport to LAS last minute?
When it’s time to book your flights, it’s always better to be prepared. While it’s possible to score a deal on a STL to McCarran Airport flight at the last minute, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international journeys it’s three to four months.
What is the cheapest airline flying from Lambert-St. Louis Intl. Airport (STL) to LAS in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, Spirit Airlines is the cheapest carrier flying from St. Louis to Las Vegas. The fare for this route starts at $23. This flight takes off from Lambert Field on May 29 2024 and touches down at McCarran Airport. The price was last updated on May 7 2024 and has not changed since.
What's the cheapest price for a flight from STL to McCarran Intl. Airport (LAS) next month?
The best price for a flight from St. Louis to Las Vegas over the next month is $23. If you’re hoping to travel soon, now’s the time to lock in this fare. This ticket price was found after looking at all available flights on Expedia with a departure date within the next 30 days. This fare is for a one-way Spirit Airlines flight journeying from Lambert Field on May 29 2024 and arriving at LAS. This price was last updated on May 7 2024 and has not changed since.
Can I find cheap nonstop flights from Lambert Field to McCarran Airport in the next three months?
The next vacation you take doesn’t have to cost a fortune. We’ve come across a roundtrip nonstop flight from St. Louis to Las Vegas in the next 90 days for $45. This price is based on airfares found on Expedia with a departure date within the next three months and was updated on May 7 2024. The flight via Spirit Airlines jets off from Lambert Field on May 29 2024 and arrives at McCarran Intl. Airport (LAS). It has a return date of June 5 2024.Use our filters to hunt for nonstop cheap flights from STL to LAS. Just click on “Nonstop” under “Filter by” after your search results pop up. Open to flying on a different date? You can also make use of the “Flexible dates” dropdown menu to see ticket prices for nearby days. Booking a fare that suits your budget and schedule couldn’t be simpler.
What airports do you fly into for Las Vegas from Central United States?
From Central United States, you can fly into Las Vegas via McCarran Intl. Airport (LAS), Henderson Executive Airport (HSH) and North Las Vegas Airport (VGT). Find out which airport is the most convenient for you before you make a decision. If you choose McCarran Intl. Airport (LAS), it’s around 2 mi southeast of the downtown area. Use the dollars you save when booking your seat with Expedia to enjoy the city’s awesome attractions, such as University of Nevada, Las Vegas and Thomas and Mack Center.
What are the most popular departure times for flights from St. Louis Lambert International Airport to McCarran Airport?
For Spirit Airlines flights setting off from St. Louis Lambert International Airport to LAS, the peak period is between 6:00 AM - 7:00 AM. If you’d like to avoid any delays, travel in the morning. This allows you to escape the heavy air traffic that builds up in the skyways as the day goes by.
Can I change the date of my flight from Lambert Field to LAS?
You can make changes to your St. Louis Lambert International Airport to McCarran Intl. Airport (LAS) flight through the Expedia Trips portal. But before amending dates or times, browse the conditions and rules in your itinerary to find out what the carrier will let you do and if change fees apply. Some airlines have a change fee per person, on top of any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also find your way to our Customer Service portal for more useful advice and to chat with our Virtual Agent.
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