Cheap flights from Las Vegas to St. Louis

Flights overview

Useful information for finding cheap flights from Las Vegas to St. Louis and booking your next trip
Cheapest round-trip flights $124
Frontier Nonstop 4 hr Thu, Dec 4 — Fri, Dec 12
The cheapest round-trip flight from Las Vegas to St. Louis is currently $124
Cheapest one-way flight $62
Frontier Nonstop 4 hr Thu, Dec 4
The cheapest one-way flight from Las Vegas to St. Louis is currently $62
Cheapest nonstop flights $124
Frontier Nonstop 4 hr Thu, Jan 15 — Fri, Jan 23
The cheapest nonstop round-trip flight from Las Vegas to St. Louis is currently $124
Last-minute weekend getaway $302
Frontier 1 stop 8 hr Thu, Nov 20 — Sun, Nov 23
The cheapest last-minute weekend getaway from Las Vegas to St. Louis is currently $302
Cheapest business class flights $775
Delta 1 stop 7 hr Sat, Jan 31 — Sat, Feb 7
The cheapest business class round-trip flight from Las Vegas to St. Louis is currently $775
Fastest flight 3 hr 5 min The fastest nonstop flight from Las Vegas to St. Louis takes 3 hr 5 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 Las Vegas to St. Louis is typically February. The most expensive month to fly is typically June.
February
Cheapest
Typical prices: $120–220
June
Most expensive
Typical prices: $220–340

Popular airlines from Las Vegas to St. Louis

  • Southwest
    Nonstop
    from $237
    Typical price: $315–630
    34 weekly nonstop flights
    LAS - STL Every day
    1291 weekly connecting flights
    LAS - STL Every day
  • American
    from $226
    Typical price: $290–600
    402 weekly connecting flights
    LAS - STL Every day
  • United
    from $222
    Typical price: $295–620
    318 weekly connecting flights
    LAS - STL Every day
  • Frontier
    Nonstop
    from $124
    Typical price: $145–355
    4 weekly nonstop flights
    LAS - STL Every Mon, Thu, Fri, Sun
    67 weekly connecting flights
    LAS - STL Every day
  • Delta
    from $235
    Typical price: $305–700
    244 weekly connecting flights
    LAS - STL Every day
  • Alaska
    from $234
    Typical price: $425–850
    25 weekly connecting flights
    LAS - STL Every day

Popular airports near Las Vegas

  • Harry Reid International Airport (LAS)
    Las Vegas United States 16 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 32 min 201 mi
  • Boulder City Municipal Airport (BLD)
    Boulder City United States 26 min 22 mi

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. Louis United States 21 min 12 mi
  • MidAmerica St. Louis Airport (BLV)
    Belleville United States 34 min 20 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

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

When are the cheapest days to fly from Las Vegas to St. Louis?
The cheapest flights from Las Vegas to St. Louis are usually in February. Typical ticket prices in February range from $120 to $220.
Which airlines provide the cheapest flights from Las Vegas to St. Louis?
The cheapest round-trip flight from Las Vegas to St. Louis recently found on Google Flights was with Frontier from $124. The cheapest one-way flight was with Frontier from $62.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Las Vegas to St. Louis is $237, flying from Jan 29 to Feb 6.
  • The cheapest American flight from Las Vegas to St. Louis is $226, flying from Feb 5 to Feb 14.
  • The cheapest United flight from Las Vegas to St. Louis is $222, flying from Jan 17 to Jan 23.
  • The cheapest Frontier flight from Las Vegas to St. Louis is $124, flying from Dec 4 to Dec 12.
  • The cheapest Delta flight from Las Vegas to St. Louis is $235, flying from Jan 22 to Jan 28.
  • The cheapest Alaska flight from Las Vegas to St. Louis is $234, flying from Jan 29 to Feb 4.
What are the cheapest flights from Las Vegas to St. Louis?
The cheapest round-trip flight from Las Vegas to St. Louis starts at $124 from Thu, Dec 4 to Fri, Dec 12. The cheapest one-way flight starts at $62 and departs on Thu, Dec 4.
How long does it take to fly from Las Vegas to St. Louis?
3 hr 5 min is the shortest flight time from Las Vegas to St. Louis.
When should you fly to St. Louis, United States?
Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.
How do I find cheap dates to fly from Las Vegas to St. Louis?
It's easy to use Google Flights to find the cheapest days to fly from Las Vegas to St. Louis.
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 Las Vegas to St. Louis?
What counts as the best airline for your flights from Las Vegas to St. Louis 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 Las Vegas to St. Louis.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 34 nonstop flights and 1,291 connecting flights per week. Southwest flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .

Other popular airlines flying from Las Vegas to St. Louis are:
  • American offers 402 connecting flights per week. American flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
  • United offers 318 connecting flights per week. United flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
  • Frontier offers 4 nonstop flights and 67 connecting flights per week. Frontier flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
  • Delta offers 244 connecting flights per week. Delta flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
  • Alaska offers 25 connecting flights per week. Alaska flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
The number of connecting flights refers to distinct flights with at least one stop between Las Vegas and St. Louis.
Which airlines provide the cheapest flights from Las Vegas to St. Louis?
The cheapest round-trip flight from Las Vegas to St. Louis recently found on Google Flights was with Frontier from $124. The cheapest one-way flight was with Frontier from $62.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Las Vegas to St. Louis is $237, flying from Jan 29 to Feb 6.
  • The cheapest American flight from Las Vegas to St. Louis is $226, flying from Feb 5 to Feb 14.
  • The cheapest United flight from Las Vegas to St. Louis is $222, flying from Jan 17 to Jan 23.
  • The cheapest Frontier flight from Las Vegas to St. Louis is $124, flying from Dec 4 to Dec 12.
  • The cheapest Delta flight from Las Vegas to St. Louis is $235, flying from Jan 22 to Jan 28.
  • The cheapest Alaska flight from Las Vegas to St. Louis is $234, flying from Jan 29 to Feb 4.
Which airlines have direct flights from Las Vegas to St. Louis?
Southwest and Frontier fly direct from Las Vegas to St. Louis.
  • There are 34 Southwest direct flights from Las Vegas to St. Louis per week. Flights are available every day.
  • There are 4 Frontier direct flights from Las Vegas to St. Louis per week. Flights are available on Monday, Thursday, Friday 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 Las Vegas to St. Louis?
The cheapest last-minute deal between Las Vegas and St. Louis at price $302 is offered by Frontier from Thu, Nov 20 to Sun, Nov 23.
Which airlines have direct flights from Las Vegas to St. Louis?
Southwest and Frontier fly direct from Las Vegas to St. Louis.
  • There are 34 Southwest direct flights from Las Vegas to St. Louis per week. Flights are available every day.
  • There are 4 Frontier direct flights from Las Vegas to St. Louis per week. Flights are available on Monday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
When are direct flights from Las Vegas to St. Louis available?
There are direct flights from Las Vegas to St. Louis on a daily basis.
What are the cheapest direct flights from Las Vegas to St. Louis?
The cheapest direct (nonstop) round-trip flights between Las Vegas and St. Louis start at $124 from Thu, Jan 15 to Fri, Jan 23 with Frontier.
How can I find nonstop flights from Las Vegas to St. Louis?
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Las Vegas to St. Louis, 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 Las Vegas to St. Louis?
The cheapest business class round-trip flights between Las Vegas and St. Louis start at $775 from Sat, Jan 31 to Sat, Feb 7 with Delta.
What are the cheapest economy class flights from Las Vegas to St. Louis?
The cheapest economy class round-trip flights between Las Vegas and St. Louis start at $124 from Thu, Dec 4 to Fri, Dec 12.
How can I book business class trips from Las Vegas to St. Louis?
To book business class trips from Las Vegas to St. Louis, 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 Las Vegas to St. Louis next weekend?
The best last-minute getaway deal for the next weekend between Las Vegas and St. Louis starts at $302 from Thu, Nov 20 to Sun, Nov 23 with Frontier.
Which airline provides the cheapest last-minute getaway flight from Las Vegas to St. Louis?
The cheapest last-minute deal between Las Vegas and St. Louis at price $302 is offered by Frontier from Thu, Nov 20 to Sun, Nov 23.
How can I find last-minute flight deals from Las Vegas to St. Louis?
To find last-minute flight deals from Las Vegas to St. Louis, 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.

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