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

View AU$164 flight on Mon, 8 June 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Austin-Bergstrom Intl. Airport (AUS)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between St. Louis Lambert International Airport and Austin–Bergstrom International Airport was . Fares this good don't hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to AUS?
Each 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 STL to Austin–Bergstrom 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 STL to AUS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to Austin-Bergstrom Intl. Airport (AUS)?
You won't have time for a movie marathon on this flight — it's just 1 150 kilometres from St. Louis to Austin. Find your way to your seat, get comfortable and you'll be touching down in no time.
Which airlines fly direct from Lambert Field to AUS?
One airline that services the route from Lambert Field to Austin-Bergstrom Intl. Airport (AUS) is Southwest Airlines (WN). It offers 91 flights a month. American Airlines (AA) is another option. It offers 56 flights a month. Between these two airlines, you'll be able to find a good deal from St. Louis to Austin.
Are Lambert-St. Louis Intl. Airport (STL) to AUS flight tickets cheaper when they're purchased at the last minute?
Booking last minute from St. Louis Lambert International Airport to Austin–Bergstrom International Airport can be hit-or-miss. It is possible to find a bargain, but you could also completely miss out! If you'd rather play it safe and start planning early, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our advice? Check back often as prices are updated frequently.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Austin-Bergstrom Intl.
Distance
1153 km
Average flight time
2 hours 38 mins

Explore a world of travel with Expedia

*Available to Expedia members.