Cheap Flights from St. Louis (STL) to Las Vegas (LAS) from HK$1,529~

View HK$1,529 flight on Wed, 3 Dec 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at HK$1,529 for one-way flights and HK$2,145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,145 Return, found 1 day ago
HK$2,145
Return
found 1 day ago
Select Delta flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,145 found 1 day ago
United
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,446 Return, found 1 day ago
HK$2,446
Return
found 1 day ago
Select United flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,446 found 1 day ago
American Airlines
Sat, 6 Dec - Mon, 8 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,456 Return, found 1 day ago
HK$2,456
Return
found 1 day ago
Select American Airlines flight, departing Sat, 6 Dec from St. Louis to Las Vegas, returning Mon, 8 Dec, priced at HK$2,456 found 1 day ago
United
Sat, 6 Dec - Sun, 7 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,456 Return, found 1 day ago
HK$2,456
Return
found 1 day ago
Select United flight, departing Sat, 6 Dec from St. Louis to Las Vegas, returning Sun, 7 Dec, priced at HK$2,456 found 1 day ago
American Airlines
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,457 Return, found 1 day ago
HK$2,457
Return
found 1 day ago
Select American Airlines flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,457 found 1 day ago
American Airlines
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,629 Return, found 1 day ago
HK$2,629
Return
found 1 day ago
Select American Airlines flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,629 found 1 day ago
United
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,747 Return, found 1 day ago
HK$2,747
Return
found 1 day ago
Select United flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,747 found 1 day ago
United
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,757 Return, found 1 day ago
HK$2,757
Return
found 1 day ago
Select United flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,757 found 1 day ago
American Airlines
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,768 Return, found 1 day ago
HK$2,768
Return
found 1 day ago
Select American Airlines flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,768 found 1 day ago
American Airlines
Wed, 3 Dec - Sat, 6 Dec
STL
St. Louis
LAS
Las Vegas
HK$2,780 Return, found 1 day ago
HK$2,780
Return
found 1 day ago
Select American Airlines flight, departing Wed, 3 Dec from St. Louis to Las Vegas, returning Sat, 6 Dec, priced at HK$2,780 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Las Vegas (LAS)

February is typically the cheapest month to fly

From HK$682 - HK$3,318 per traveller.
0
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
HK$2,145
Distance
2188 km

Flights from St. Louis to Las Vegas

Book cheap flights from St. Louis (STL) to Las Vegas (LAS) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from St. Louis (STL) to Las Vegas (LAS) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your St. Louis (STL) to Las Vegas (LAS) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Las Vegas flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Las Vegas and things to do in Las Vegas for your perfect vacation with Expedia Thing to Do.

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 HK$1,529 now!

 

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 HK$2,145. 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.

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