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$264 Cheap Southwest Airlines Flights Las Vegas (LAS) to St Louis (STL)

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Book Southwest Airlines Las Vegas to St Louis Flight Tickets

JetSaver brings you the best cheap flight fares of Southwest Airlines Las Vegas to St Louis and not only best deals but also all the flight details you need. This includes schedules, Southwest Airlines baggage rules, seat selection, flight tickets, and other important information to make your travel planning easier. Book Southwest Airlines Las Vegas to St Louis Flights with JetSaver, Enjoy special deals on your flight booking. Save money with the Southwest Airlines lowest ticket prices from LAS to STL.

Las Vegas to St Louis flights
6/9 Mon
Southwest Airlines
1 stop
LAS - STL
$264
Las Vegas to St Louis flights
6/18 Wed
Southwest Airlines
1 stop
LAS - STL
St Louis to Las Vegas flights
6/25 Wed
Southwest Airlines
1 stop
STL - LAS
$475

Southwest Airlines Las Vegas to St Louis Flight Deals

Traveling from Las Vegas to St Louis is now so easy with Southwest Airlines flights. There are plenty of flights that connect Las Vegas to St Louis, with a regular and convenient schedule that includes both direct and connecting flights. But travelers can get Southwest Airlines flight tickets at the lowest prices and can have a safe and comfortable trip throughout their journey. Use JetSaver to get the lowest Southwest Airlines flight tickets from Las Vegas to St Louis for both business and vacation purposes.

Get the most affordable discounts on Southwest Airlines flights by using JetSaver to search for the lowest possible ticket prices. Choose Southwest Airlines flights by comparing flight fares using JetSaver. Don’t miss out, on Southwest Airlines deal fares from Las Vegas to St Louis and book your flight today for a great experience. You can also search for return journey tickets with JetSaver

  • Departure Airport: LAS 
  • Arrival Airport: STL
  • Flight duration from Las Vegas to St Louis is 04:45 hours
  • The cheapest airfare to reach from Las Vegas to St Louis is $264
  • Visa Requirements: Not required, as this is a domestic flight within the USA

Southwest Airlines plans worldwide growth with DOT filings and a new international strategy

Southwest Airlines has asked authorization from the US Department of Transportation to fly to countries with Open Skies agreements, signaling that the airline plans to extend its global network.  In 2025, the airline will also collaborate with Icelandair, allowing bookings to Europe via select U.S airports.  Despite recent criticism over luggage and seating policy changes, Southwest has expanded to destinations in Mexico, the Caribbean, and Central America.  Faced with a $149 million Q1 loss, CEO Bob Jordan is spearheading a transformation plan that includes layoffs, fare restructuring, and a shift to premium seats by 2026.

Southwest Airlines Flights from Las Vegas (LAS) to St Louis (STL) 

Looking to book a flight from Las Vegas to St Louis Southwest Airlines? Southwest Airlines offers affordable, convenient service on Las Vegas to St Louis. Finding the cheapest flight ticket from Las Vegas (LAS) to St Louis (STL) with Southwest Airlines can help you travel smart without breaking the bank. To make flight booking effortless, use JetSaver—a smart flight fare comparison tool that finds the lowest prices across hundreds of travel agencies, and airline websites.

Southwest Airlines Las Vegas to St Louis Flights

You will enjoy budget-friendly pricing, flexible options and a reliable travel experience while flying with Southwest Airlines. The airline's presence on this route(LAS and STL) makes it a top pick for travelers searching for low fares and on-time service. To ensure you're getting the best available deal, compare and book these flights directly on JetSaver

Why Choose Southwest Airlines for your St Louis Adventure?

  • Reasonably priced tickets without compromising on quality
  • Frequent flights for easy scheduling
  • Add-ons that are optional so you only pay for what you need
  • Reward programs and fare discounts for loyal customers
  • Streamlined online booking and check-in options

With its real-time price comparisons, JetSaver help passengers in finding and booking these cheap flights from Southwest Airlines and other carriers, allowing them to make quick decisions

Tips to get Cheap Southwest Airlines Tickets from Las Vegas to St Louis

  • Book early to grab the lowest fares
  • For more affordable costs travel in the middle of the week
  • Sign up for airline alerts for exclusive offers
  • Avoid peak season if your dates are flexible

Southwest Airlines Baggage Allowance & Fees

Each person traveling with Southwest Airlines is allowed to check two free baggage, each of which may weigh up to 50 pounds and have a maximum size of 62 inches. You can carry one personal item and one regular bag depending on size limitations which are allowed in carry-on luggage.

CategoryAllowanceFees (if applicable)Notes
Carry-On Baggage1 bag + 1 personal item 
(purse, briefcase, laptop bag)
FreeSize limits apply: 
- Bag: 10x16x24 inches 
- Personal item: Fits under seat
Checked BaggageFirst 2 bagsFreeWeight limit: 50 lbs each 
Size limit: 62 inches (length + width + height)
Excess Baggage3rd bag and beyond$75 per bagApplies to both checked and carry-on bags exceeding the free allowance.
Special Items- Sporting equipment (skis, golf bags, etc.) 
- Musical instruments
May be subject to size and weight restrictions. 
May count as one checked bag.
Fees may apply depending on size and weight.
Prohibited Items- Firearms and ammunition 
- Explosives 
- Flammable liquids and gases 
- Toxic substances 
- Sharp objects (knives, scissors) 
- Sporting goods (bats, clubs) - See TSA website for full list
Not permitted in carry-on or checked baggage.May be subject to confiscation.

Southwest Airlines Check-in Information

Web check-in

Web check-in is available on Southwest Airlines' website and mobile app. Online check-in can be done from 24 hours to 90 minutes before the departure time of your scheduled flight.

Airport check-in

For fast check-in, many airports provide curbside check-in or self-service kiosks. For domestic flights, arrive at least 45 minutes in advance, and for international flights, arrive at least 60 minutes in advance.

Attractions in St Louis

You've come to the right place if you're looking for the greatest activities in and around St. Louis! From riding to the top of the nation's highest monument to supporting the 11-time World Series champion St. Louis Cardinals, Gateway City is home to an endless range of excitement. Here are our top picks, but there's plenty more to explore.

  • The Gateway Arch
  • Saint Louis Zoo
  • City Museum
  • Missouri Botanical Garden
  • Busch Stadium
  • The Cathedral Basilica of St. Louis

What to pack during travel to St Louis?

While spring is a great time to visit St. Louis, the weather is not always consistent. Bring at least one warm item of clothing because there may be random cold waves and temperatures that range from the mid-50s to the mid-70s. Bring your allergy medication if you suffer from allergies, as springtime allergies can be problematic due to high pollen levels. Because St. Louis is an excellent city to walk, wear comfortable shoes so you can walk around Forest Park or downtown without worrying about blisters.

Budgeting your flights to St Louis

Using JetSaver can assist you travel to St. Louis on a budget. Using our platform, you can filter results by the price range you'd want to see and explore alternatives based on user searches. We locate providers who satisfy your trip needs. You may review the costs of flights from up to four different travel agencies side by side, compare them, and select the best value!

Frequently asked questions on Southwest Airlines from Las Vegas to St Louis

1. How can I find the cheapest flight ticket from Las Vegas (LAS) to St Louis (STL) with Southwest Airlines?

Use JetSaver to instantly compare fares from Southwest Airlines and other budget carriers. Booking early and avoiding peak days can also help save more.

2. When is the best time to book Southwest Airlines Las Vegas to St Louis flights?

To find affordable Southwest Airlines Las Vegas to St Louis flights, it is usually advised to make your reservation at least two weeks prior to your travel dates. If it is last-minute use JetSaver to find the best deals Southwest Airlines Las Vegas to St Louis flight booking to save more on your trip.

3. What is the cheapest day to fly from Southwest Airlines LAS to STL?

The cheapest days to travel Southwest Airlines Las Vegas to St Louis are often during Tuesday or Wednesday. To find the best flight deals plan your travel early during off-peak hours.

4. How long is the flight duration for Southwest Airlines from Las Vegas to St Louis?

Usually, the route and number of stops determine how long a flight lasts. The average duration of Southwest Airlines flights from Las Vegas to St Louis is around 04:45 hours, while connecting flights could take longer.

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