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Cheap Flights from St Louis to Austin, TX, United States - STL to AUS

Popular flights from St Louis to Austin

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jun 3, 2016 Jun 14, 2016 $308
Jun 5, 2016 Jun 14, 2016 $308
Jun 8, 2016 Jun 15, 2016 $308
Jun 9, 2016 Jun 21, 2016 $308
Jun 10, 2016 Jun 22, 2016 $308
American Airlines
Departure Date Return Date Lowest Price
Aug 14, 2016 Aug 18, 2016 $237
United Airlines
Departure Date Return Date Lowest Price
Jun 21, 2016 Jun 29, 2016 $240
Jun 22, 2016 Jun 29, 2016 $240
Jun 28, 2016 Jul 9, 2016 $240
Jun 29, 2016 Jul 9, 2016 $240
Jul 2, 2016 Jul 9, 2016 $240

How Much Does it Cost to Fly from St Louis to Austin (STL to AUS)?

We have collected flight cost data from across the web for travel from St Louis to Austin, and have found the average flight price for this trip to be $240.

When Can I Buy the Cheapest Flight from St Louis to Austin (STL to AUS)?

Airlines can adjust prices for plane tickets from St Louis to Austin based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to Austin

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Austin.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$240 $240 $238 $240 $240 $240 $240

Lowest Fares Chart By Month from St Louis to Austin

The chart below shows the lowest fare by month when flying from St Louis to Austin.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis Austin American 5/25/16 5/28/16 1 $254
June St Louis Austin American 6/5/16 6/14/16 1 $240
July St Louis Austin United 7/26/16 8/3/16 1 $240
August St Louis Austin American 8/14/16 8/18/16 1 $237
September St Louis Austin American 9/25/16 9/28/16 1 $240
October St Louis Austin American 10/1/16 10/4/16 1 $240
November St Louis Austin American 11/7/16 11/10/16 1 $268
March St Louis Austin United 3/5/17 3/8/17 1 $315

Round Trip vs One Way Flights from St Louis to Austin (STL to AUS)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Austin. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Austin is $142.

The average price for round trip flights from St Louis to Austin is $268.

St Louis to Austin Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Austin?
Answer: Chicago, IL

Airlines Flying from St Louis to Austin (STL to AUS)

Below are the different airlines that fly from St Louis to Austin with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Austin.

St Louis to Austin
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta SLC X X X X X X X
Delta CVG / ATL X X X X X
United IAH X X X X X X X
Southwest - X X X X X X X
Southwest ATL X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Austin, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Dallas - Ft Worth American, Alaska, United $189
St Louis to San Antonio American, Alaska, Frontier, United $239
St Louis to Houston American, Alaska, United $263
St Louis to Killeen American, Alaska, United $434
St Louis to Atlanta American, Alaska, Frontier, United $88
St Louis to Chicago American, Alaska, United $204
St Louis to College Station American, Alaska, United $414
St Louis to Waco American, Alaska, United $351

Cheap Domestic Flights to Austin - AUS

Cheap Flights from St Louis to Austin, TX, United States, from $237 Round trip from STL to AUS