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Cheap Flights from St Louis to Austin, TX, United States - STL to AUS Last modified: May 25, 2016 1:45 PM

Popular flights from St Louis to Austin Last modified: May 25, 2016 1:45 PM

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
Jul 6, 2016 Jul 12, 2016 $388
Jul 12, 2016 Jul 19, 2016 $388
Aug 19, 2016 Aug 22, 2016 $388
Aug 25, 2016 Aug 27, 2016 $388
Sep 20, 2016 Sep 24, 2016 $388
American Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Aug 27, 2016 $250
Sep 20, 2016 Sep 24, 2016 $250
United Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Aug 27, 2016 $250
Sep 1, 2016 Sep 6, 2016 $250
Sep 20, 2016 Sep 24, 2016 $250

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 $290.

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
$296 $286 $286 $296 $284 $286 $296

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 $160.

The average price for round trip flights from St Louis to Austin is $319.

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) Number of flights searched: 154Last modified: May 25, 2016 1:45 PM

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 CLT X X X X X X X
Delta MSP X X X X X X X
Delta CVG / ATL X X X X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest DAL 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 $203
St Louis to San Antonio American, Alaska, United $250
St Louis to Houston American, Alaska, United $270
St Louis to Killeen American, Alaska, United $280
St Louis to Atlanta American, Alaska, Frontier, United $98
St Louis to Chicago American, Alaska, United $213
St Louis to College Station American, Alaska, United Check Dates
St Louis to Waco American, Alaska, United $372

Cheap Domestic Flights to Austin - AUS

Cheap Flights from St Louis to Austin, TX, United States, from $250 Round trip from STL to AUS