$80 Cheap flights from Austin-Bergstrom Intl. to Lambert-St. Louis Intl. (AUS to STL)

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Find The Best Dates To Fly from Austin-Bergstrom Intl. to Lambert-St. Louis Intl.

Amazing AUS to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $137 round trip and $80 one way. Prices and availability subject to change. Additional terms may apply.

Mon, May 20 - Sun, May 26
AUS
Austin
STL
St. Louis
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, May 20 from Austin to St. Louis, returning Sun, May 26, priced at $137 found 6 days ago
Thu, May 16 - Tue, Jun 4
AUS
Austin
STL
St. Louis
$155 Roundtrip, found 3 days ago
$155
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, May 16 from Austin to St. Louis, returning Tue, Jun 4, priced at $155 found 3 days ago
Sun, May 19 - Sat, May 25
AUS
Austin
STL
St. Louis
$159 Roundtrip, found 4 days ago
$159
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, May 19 from Austin to St. Louis, returning Sat, May 25, priced at $159 found 4 days ago
Thu, May 30 - Mon, Jun 3
AUS
Austin
STL
St. Louis
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 30 from Austin to St. Louis, returning Mon, Jun 3, priced at $160 just found
Fri, Jun 14 - Mon, Jun 17
AUS
Austin
STL
St. Louis
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jun 14 from Austin to St. Louis, returning Mon, Jun 17, priced at $164 found 1 day ago
Thu, May 16 - Sun, May 26
AUS
Austin
STL
St. Louis
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, May 16 from Austin to St. Louis, returning Sun, May 26, priced at $171 found 3 days ago
Sun, May 19 - Sun, May 26
AUS
Austin
STL
St. Louis
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, May 19 from Austin to St. Louis, returning Sun, May 26, priced at $175 found 4 days ago
Tue, Jun 25 - Mon, Jul 1
AUS
Austin
STL
St. Louis
$185 Roundtrip, found 14 hours ago
$185
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Jun 25 from Austin to St. Louis, returning Mon, Jul 1, priced at $185 found 14 hours ago
Thu, Aug 1 - Wed, Aug 21
AUS
Austin
STL
St. Louis
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 1 from Austin to St. Louis, returning Wed, Aug 21, priced at $199 found 4 days ago
Thu, Aug 22 - Wed, Aug 28
AUS
Austin
STL
St. Louis
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 22 from Austin to St. Louis, returning Wed, Aug 28, priced at $204 found 1 day ago

Frequently asked questions

Are there direct flights from Austin-Bergstrom Intl. Airport (AUS) to St. Louis Lambert International Airport?
Start your getaway relaxed and calm and travel straight to St. Louis Lambert International Airport from AUS. Southwest Airlines and American Airlines are among the airlines that have direct services on this flight path.
How long is the flight from Austin-Bergstrom Intl. Airport (AUS) to STL?
You’ll have just enough time to flick through a couple chapters in your latest novel as the journey from AUS to Lambert-St. Louis Intl. Airport (STL) is only 2 hours and 1 minute. You may just find yourself left on a cliffhanger!
What is the flight distance from Austin-Bergstrom Intl. Airport (AUS) to Lambert Field?
There’s a flight distance of 720 mi between AUS and Lambert-St. Louis Intl. Airport (STL). Take advantage of your short plane journey to pen down all the popular places you want to drop by and how you’re going to get there. A comprehensive itinerary is key to having a wonderful vacation.
What airlines fly from Austin-Bergstrom Intl. Airport (AUS) to Lambert Field?
You’ll find several airlines that advertise direct flights between Austin and St. Louis. Southwest Airlines (WN) is one of the most liked. This carrier operates around 60 flights every month. Another attractive option is American Airlines (AA), which has 34 flights every month. The more airlines you take into account, the more likely you are to find a great deal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Austin-Bergstrom Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
2 hours 5 mins
Earliest Departure Time
5:30AM CDT
Latest Departure Time
8:35PM CDT
Lowest Flight Price
$137

Route Info

Flight path for flights from Austin-Bergstrom International Airport to Lambert-St. Louis International Airport


Origin:
AUS - Austin-Bergstrom International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
725.00 miles


Airlines & Aircraft Used on AUS to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
De Havilland Canada DHC-8-300 Dash 8 / 8Q
United Airlines
Boeing 737-800 (winglets) pax

Discover our best flights from Austin AUS to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Austin AUS to St. Louis STL at the right price  

Airfares to St. Louis STL from Austin AUS currently cost between $137 and $204. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Austin AUS to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Austin AUS to St. Louis STL on Travelocity starting at $80. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Austin AUS quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from AUS to take around 2 hour(s) 5 min(s).  

 

Find our cheapest airfares for flights from Austin AUS to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from AUS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Austin AUS to St. Louis STL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Austin AUS to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Austin AUS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from AUS have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Austin AUS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.