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Cheap Flights from Austin to St Louis, MO, United States - AUS to STL Last modified: May 31, 2016 6:45 PM

Popular flights from Austin to St Louis Last modified: May 31, 2016 6:45 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
Sep 2, 2016 Sep 6, 2016 $388
American Airlines
Departure Date Return Date Lowest Price
Aug 27, 2016 Sep 4, 2016 $254
Aug 31, 2016 Sep 4, 2016 $254
United Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Aug 29, 2016 $256
Aug 27, 2016 Sep 4, 2016 $256
Aug 29, 2016 Aug 31, 2016 $256
Aug 31, 2016 Sep 4, 2016 $256
Sep 1, 2016 Sep 6, 2016 $256

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

We have collected flight cost data from across the web for travel from Austin to St Louis, and have found the average flight price for this trip to be $268.

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

Airlines can adjust prices for plane tickets from Austin to St Louis 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 Austin to St Louis

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$256 $269 $286 $256 $269 $254 $281

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

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 Austin to St Louis. 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 Austin to St Louis is $150.

The average price for round trip flights from Austin to St Louis is $313.

Austin to St Louis Flight Questions

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

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

Airlines Flying from Austin to St Louis (AUS to STL) Number of flights searched: 149Last modified: May 31, 2016 6:45 PM

Below are the different airlines that fly from Austin to St Louis 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 Austin to St Louis.

Austin to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta DTW X X X X X X X
Delta ATL / CVG 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 Austin and St Louis, 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 Austin - AUS

FlightsAirlineLowest Price
Austin to Chicago American, Alaska, Frontier, United $138

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Dallas - Ft Worth to St Louis American, Alaska, United $209
Houston to St Louis American, Alaska, United $309
San Antonio to St Louis American, Alaska, Frontier, United $248
Tyler to St Louis American, Alaska $404
Killeen to St Louis American, Alaska, United $322
Corpus Christi to St Louis American, Alaska, United $416
Abilene to St Louis American, Alaska $409
San Angelo to St Louis American, Alaska $364
Houston to Chicago American, Alaska, Spirit, United $157
Dallas - Ft Worth to Atlanta American, Spirit, United $117
Dallas - Ft Worth to Chicago American, Alaska, Frontier, Spirit, United $117
Houston to New York American, Alaska, JetBlue, United $263
Houston to Atlanta American, Alaska, Frontier, Spirit, United $88
Dallas - Ft Worth to Las Vegas American, Alaska, Frontier, Spirit, United, Virgin America $81
Houston to Dallas - Ft Worth American, Alaska, United $177
San Antonio to Chicago American, Alaska, United $280
Dallas - Ft Worth to Houston American, United $177
Dallas - Ft Worth to Detroit American, Alaska, Spirit, United $117
Dallas - Ft Worth to Baltimore American, Alaska, JetBlue, Spirit, United $117
Dallas - Ft Worth to Orlando American, JetBlue, Frontier, Spirit, United $88
Dallas - Ft Worth to Nashville Boutique, American, Alaska, United $223
Dallas - Ft Worth to Kansas City American, Alaska, United $185
Dallas - Ft Worth to Denver American, Alaska, Frontier, Spirit, United $77
Dallas - Ft Worth to Louisville American, United $353
Dallas - Ft Worth to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $117
Dallas - Ft Worth to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $117
Dallas - Ft Worth to New York American, Alaska, JetBlue, Spirit, United, Virgin America $117
Dallas - Ft Worth to Springfield American, United $419
Dallas - Ft Worth to Seattle American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $244
Cheap Flights from Austin to St Louis, MO, United States, from $254 Round trip from AUS to STL