CA $133 Cheap Flights from Las Vegas (LAS) to St. Louis (STL)

View CA $133 flight on Wed, May 14, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $133 for one-way flights and CA $335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $335 Roundtrip, found 3 days ago
CA $335
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $335 found 3 days ago
Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $410 Roundtrip, found 3 days ago
CA $410
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $410 found 3 days ago
Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $431 Roundtrip, found 3 days ago
CA $431
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $431 found 3 days ago
Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $469 Roundtrip, found 3 days ago
CA $469
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $469 found 3 days ago
Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $488 Roundtrip, found 3 days ago
CA $488
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $488 found 3 days ago
American Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $500 Roundtrip, found 3 days ago
CA $500
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $500 found 3 days ago
Delta
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $500 Roundtrip, found 3 days ago
CA $500
Roundtrip
found 3 days ago
Select Delta flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $500 found 3 days ago
Alaska Airlines
Fri., May 2 - Sun., May 11
LAS
Las Vegas
STL
St. Louis
CA $501 Roundtrip, found 6 days ago
CA $501
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri., May 2 from Las Vegas to St. Louis, returning Sun., May 11, priced at CA $501 found 6 days ago
Spirit Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $502 Roundtrip, found 3 days ago
CA $502
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $502 found 3 days ago
American Airlines
Fri., May 9 - Fri., May 16
LAS
Las Vegas
STL
St. Louis
CA $504 Roundtrip, found 3 days ago
CA $504
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri., May 9 from Las Vegas to St. Louis, returning Fri., May 16, priced at CA $504 found 3 days ago
Flight from Las Vegas to St. Louis (LAS - STL) route information
Origin airport
Harry Reid Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $334
Distance
2188 km

Las Vegas to St. Louis Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Las Vegas to St. Louis with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from LAS to STL and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Las Vegas to St. Louis on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from LAS to STL. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your St. Louis flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from LAS to STL?
If you’re traveling from Harry Reid Airport (formerly McCarran Airport) to STL, round-trip journeys start from CA $335. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don’t hang around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to STL?
When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from LAS to St. Louis Lambert International Airport 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 Harry Reid Airport (formerly McCarran Airport) to Lambert-St. Louis Intl. Airport (STL) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Harry Reid Airport (formerly McCarran Airport) to Lambert Field?
Around 2,200 kilometers separates Las Vegas and St. Louis, so pack something to keep you occupied for a couple of hours. That novel you haven’t had time to finish will be ideal.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to Lambert Field?
Many savvy travelers choose to fly with Southwest Airlines (WN) from LAS to STL. This top airline offers 108 flights every month, so you can easily find a flight time that’s right for you. Operating 39 flights every month along this route, Frontier Airlines (F9) is another traveler favorite.
Are Harry Reid Airport (formerly McCarran Airport) to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Booking your trip from LAS to Lambert-St. Louis Intl. Airport (STL) last minute could save you some serious cash. However, it might cost you a whole lot more! If you’d prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.

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