NT$4,534 Cheap Flights from St. Louis (STL) to Las Vegas (LAS)

View NT$4,534 flight on Thu, 2026/1/8Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Harry Reid Intl. Airport (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 NT$4,534 for one-way flights and NT$10,292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$10,292 Roundtrip, found 3 hours ago
NT$10,292
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$10,292 found 3 hours ago
American Airlines
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$11,515 Roundtrip, found 3 hours ago
NT$11,515
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$11,515 found 3 hours ago
Delta
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$11,851 Roundtrip, found 3 hours ago
NT$11,851
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$11,851 found 3 hours ago
American Airlines
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$13,045 Roundtrip, found 3 hours ago
NT$13,045
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$13,045 found 3 hours ago
American Airlines
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$13,075 Roundtrip, found 3 hours ago
NT$13,075
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$13,075 found 3 hours ago
Delta
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$13,228 Roundtrip, found 3 hours ago
NT$13,228
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$13,228 found 3 hours ago
Delta
Thu, Jan 8 - Sun, Jan 25
STL
St. Louis
LAS
Las Vegas
NT$13,534 Roundtrip, found 3 hours ago
NT$13,534
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 8 from St. Louis to Las Vegas, returning Sun, Jan 25, priced at NT$13,534 found 3 hours ago
Delta
Fri, Dec 5 - Mon, Jan 5
STL
St. Louis
LAS
Las Vegas
NT$13,907 Roundtrip, found 2 days ago
NT$13,907
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Dec 5 from St. Louis to Las Vegas, returning Mon, Jan 5, priced at NT$13,907 found 2 days ago
American Airlines
Fri, Dec 5 - Mon, Jan 5
STL
St. Louis
LAS
Las Vegas
NT$13,998 Roundtrip, found 2 days ago
NT$13,998
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 5 from St. Louis to Las Vegas, returning Mon, Jan 5, priced at NT$13,998 found 2 days ago
United
Fri, Dec 5 - Mon, Jan 5
STL
St. Louis
LAS
Las Vegas
NT$14,549 Roundtrip, found 2 days ago
NT$14,549
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 5 from St. Louis to Las Vegas, returning Mon, Jan 5, priced at NT$14,549 found 2 days ago

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 NT$10,292. 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.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Harry Reid Intl.
Roundtrip price
NT$10,292
Distance
2188 km
Average flight time
1 hour 39 mins

Book with confidence

St. Louis to Las Vegas Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Las Vegas will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Las Vegas.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to LAS flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LAS with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

St. Louis to Las Vegas Flights

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