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

Flights overview

Useful information for finding cheap flights from St. Louis to Las Vegas and booking your next trip

Cheapest round-trip flights	$153	Frontier 1 stop 15 hr Sat, Nov 15 — Mon, Nov 17	The cheapest round-trip flight from St. Louis to Las Vegas is currently $153
Cheapest one-way flight	$54	Frontier 1 stop 6 hr Wed, Nov 12	The cheapest one-way flight from St. Louis to Las Vegas is currently $54
Cheapest nonstop flights	$252	Frontier Nonstop 4 hr Thu, Nov 20 — Mon, Nov 24	The cheapest nonstop round-trip flight from St. Louis to Las Vegas is currently $252
Last-minute weekend getaway	$256	Frontier 1 stop 13 hr Fri, Oct 17 — Mon, Oct 20	The cheapest last-minute weekend getaway from St. Louis to Las Vegas is currently $256
Cheapest business class flights	$967	United 1 stop 6 hr Thu, Jan 8 — Sun, Jan 11	The cheapest business class round-trip flight from St. Louis to Las Vegas is currently $967

Fastest flight	3 hr 30 min	The fastest nonstop flight from St. Louis to Las Vegas takes 3 hr 30 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from St. Louis to Las Vegas is typically January. The most expensive month to fly is typically July.

January Cheapest	Typical prices: $125–285
July Most expensive	Typical prices: $235–365

Popular airlines from St. Louis to Las Vegas

Southwest

Nonstop

from $286

Typical price: $315–620

37 weekly nonstop flights

STL - LAS Every day

1135 weekly connecting flights

STL - LAS Every day
American

from $297

Typical price: $290–610

408 weekly connecting flights

STL - LAS Every day
United

from $297

Typical price: $300–610

352 weekly connecting flights

STL - LAS Every day
Frontier

Nonstop

from $153

Typical price: $145–355

6 weekly nonstop flights

STL - LAS Every Mon, Fri, Sat, Sun

25 weekly connecting flights

STL - LAS Every day
Delta

from $393

Typical price: $305–710

285 weekly connecting flights

STL - LAS Every day
Alaska

from $394

Typical price: $415–880

21 weekly connecting flights

STL - LAS Every day

Popular airports near St. Louis

St. Louis Lambert International Airport (STL)

St. Louis United States 22 min 12 mi
General Wayne A. Downing Peoria International Airport (PIA)

Peoria United States 2 hr 35 min 143 mi
Indianapolis International Airport (IND)

Indianapolis United States 3 hr 28 min 222 mi
Columbia Regional Airport (COU)

Columbia United States 2 hr 3 min 109 mi

Popular airports near Las Vegas

Harry Reid International Airport (LAS)

Las Vegas United States 17 min 6 mi
St. George Regional Airport (SGU) (SGU)

St. George United States 1 hr 52 min 108 mi
Ontario International Airport (ONT)

Ontario United States 3 hr 31 min 201 mi
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi

Frequently asked questions about flying from St. Louis to Las Vegas

When are the cheapest days to fly from St. Louis to Las Vegas?

The cheapest flights from St. Louis to Las Vegas are usually in January. Typical ticket prices in January range from $125 to $285.

Which airlines provide the cheapest flights from St. Louis to Las Vegas?

The cheapest round-trip flight from St. Louis to Las Vegas recently found on Google Flights was with Frontier from $153. The cheapest one-way flight was with Frontier from $54.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Las Vegas is $286, flying from Jan 10 to Jan 12.
The cheapest American flight from St. Louis to Las Vegas is $297, flying from Dec 11 to Dec 14.
The cheapest United flight from St. Louis to Las Vegas is $297, flying from Dec 4 to Dec 7.
The cheapest Frontier flight from St. Louis to Las Vegas is $153, flying from Nov 15 to Nov 17.
The cheapest Delta flight from St. Louis to Las Vegas is $393, flying from Jan 8 to Jan 12.
The cheapest Alaska flight from St. Louis to Las Vegas is $394, flying from Jan 9 to Jan 12.

What are the cheapest flights from St. Louis to Las Vegas?

The cheapest round-trip flight from St. Louis to Las Vegas starts at $153 from Sat, Nov 15 to Mon, Nov 17. The cheapest one-way flight starts at $54 and departs on Wed, Nov 12.

How long does it take to fly from St. Louis to Las Vegas?

3 hr 30 min is the shortest flight time from St. Louis to Las Vegas.

When should you fly to Las Vegas, United States?

Las Vegas is a busy year-round destination with a subtropical desert climate. There's no specific peak season, but crowds and prices increase around holidays and the many annual conventions. Popular events include the Consumer Electronic Show (Jan), the Project fashion trade show (Feb and Aug), NASCAR Weekend (Mar), the National Finals Rodeo (Dec), and New Year's Eve. During summer (Jun–Aug), extremely high daytime temperatures may make outdoor activities like golf and canyon hiking inadvisable.

How do I find cheap dates to fly from St. Louis to Las Vegas?

It's easy to use Google Flights to find the cheapest days to fly from St. Louis to Las Vegas.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What is the best airline to fly from St. Louis to Las Vegas?

What counts as the best airline for your flights from St. Louis to Las Vegas really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from St. Louis to Las Vegas.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 37 nonstop flights and 1,135 connecting flights per week. Southwest flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .

Other popular airlines flying from St. Louis to Las Vegas are:

American offers 408 connecting flights per week. American flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .
United offers 352 connecting flights per week. United flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .
Frontier offers 6 nonstop flights and 25 connecting flights per week. Frontier flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .
Delta offers 285 connecting flights per week. Delta flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .
Alaska offers 21 connecting flights per week. Alaska flies from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) .

The number of connecting flights refers to distinct flights with at least one stop between St. Louis and Las Vegas.

Which airlines provide the cheapest flights from St. Louis to Las Vegas?

The cheapest round-trip flight from St. Louis to Las Vegas recently found on Google Flights was with Frontier from $153. The cheapest one-way flight was with Frontier from $54.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Las Vegas is $286, flying from Jan 10 to Jan 12.
The cheapest American flight from St. Louis to Las Vegas is $297, flying from Dec 11 to Dec 14.
The cheapest United flight from St. Louis to Las Vegas is $297, flying from Dec 4 to Dec 7.
The cheapest Frontier flight from St. Louis to Las Vegas is $153, flying from Nov 15 to Nov 17.
The cheapest Delta flight from St. Louis to Las Vegas is $393, flying from Jan 8 to Jan 12.
The cheapest Alaska flight from St. Louis to Las Vegas is $394, flying from Jan 9 to Jan 12.

Which airlines have direct flights from St. Louis to Las Vegas?

Southwest and Frontier fly direct from St. Louis to Las Vegas.

There are 37 Southwest direct flights from St. Louis to Las Vegas per week. Flights are available every day.
There are 6 Frontier direct flights from St. Louis to Las Vegas per week. Flights are available on Monday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Which airline provides the cheapest last-minute getaway flight from St. Louis to Las Vegas?

The cheapest last-minute deal between St. Louis and Las Vegas at price $256 is offered by Frontier from Fri, Oct 17 to Mon, Oct 20.

Which airlines have direct flights from St. Louis to Las Vegas?

Southwest and Frontier fly direct from St. Louis to Las Vegas.

There are 37 Southwest direct flights from St. Louis to Las Vegas per week. Flights are available every day.
There are 6 Frontier direct flights from St. Louis to Las Vegas per week. Flights are available on Monday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

When are direct flights from St. Louis to Las Vegas available?

There are direct flights from St. Louis to Las Vegas on a daily basis.

What are the cheapest direct flights from St. Louis to Las Vegas?

The cheapest direct (nonstop) round-trip flights between St. Louis and Las Vegas start at $252 from Thu, Nov 20 to Mon, Nov 24 with Frontier.

How can I find nonstop flights from St. Louis to Las Vegas?

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from St. Louis to Las Vegas, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

What are the cheapest business class flights from St. Louis to Las Vegas?

The cheapest business class round-trip flights between St. Louis and Las Vegas start at $967 from Thu, Jan 8 to Sun, Jan 11 with United.

What are the cheapest economy class flights from St. Louis to Las Vegas?

The cheapest economy class round-trip flights between St. Louis and Las Vegas start at $153 from Sat, Nov 15 to Mon, Nov 17.

How can I book business class trips from St. Louis to Las Vegas?

To book business class trips from St. Louis to Las Vegas, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

Are there any last-minute deals from St. Louis to Las Vegas next weekend?

The best last-minute getaway deal for the next weekend between St. Louis and Las Vegas starts at $256 from Fri, Oct 17 to Mon, Oct 20 with Frontier.

Which airline provides the cheapest last-minute getaway flight from St. Louis to Las Vegas?

The cheapest last-minute deal between St. Louis and Las Vegas at price $256 is offered by Frontier from Fri, Oct 17 to Mon, Oct 20.

How can I find last-minute flight deals from St. Louis to Las Vegas?

To find last-minute flight deals from St. Louis to Las Vegas, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.