Cheap Flights from St. Louis (STL) to Austin (AUS)

Popular airlines from Lambert-St. Louis International Airport (STL) to Austin-Bergstrom International Airport (AUS)

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Find the cheapest month to fly from St. Louis (STL) to Austin (AUS)

November is typically the cheapest month to fly

From CA $213 - CA $792 per traveller.

Graph displaying average flight prices per month

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Flight from St. Louis to Austin (STL - AUS) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Austin-Bergstrom Intl.
Distance
1153 km

St. Louis to Austin Flights

The easy way to book your flights from St. Louis to Austin 

With Expedia, it’s simple to find and book flights to Austin from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Austin-Bergstrom Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Austin today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Austin-Bergstrom Intl., AUS 

Sort your search results by price to find great deals on your flight from St. Louis to Austin—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Austin from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Austin  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Austin from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Austin with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to Austin–Bergstrom International Airport?
Start packing your bags, because round-trip journeys between Lambert-St. Louis Intl. Airport (STL) and Austin-Bergstrom Intl. Airport (AUS) start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to AUS?
Every airline has different terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Lambert Field to Austin–Bergstrom International Airport that have flexible change policies?
Many carriers offer the option to move your flight without a change fee. All you pay is the fare difference. When searching for Lambert-St. Louis Intl. Airport (STL) to Austin-Bergstrom Intl. Airport (AUS) flights, you'll find a "No change fees" filter for you to select.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Austin-Bergstrom Intl. Airport (AUS)?
It only takes around 5 hours and 41 minutes to get from Lambert-St. Louis Intl. Airport (STL) to AUS. Recline your seat and make yourself comfortable — but not too comfortable. You'll be landing in Austin soon enough.
How far is the flight from STL to Austin–Bergstrom International Airport?
That new movie you've been wanting to see will have to wait — the flight distance between Lambert Field and Austin–Bergstrom International Airport is only 1,150 kilometres. The captain will be asking you to put your seat upright for touchdown before you know it.
Which airlines fly direct from STL to Austin-Bergstrom Intl. Airport (AUS)?
Check out the deals on offer with Southwest Airlines (WN) if you want to travel directly from Lambert Field to Austin–Bergstrom International Airport. This top carrier offers 56 flights every month, so you're sure to find one that fits your schedule.
Are STL to AUS flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute flight deals between STL and Austin-Bergstrom Intl. Airport (AUS) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the best bargains around, so check back often and be ready to secure your seat when fare prices drop.

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