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

Popular flights from Austin to St Louis

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

American Airlines
Departure Date Return Date Lowest Price
Apr 12, 2016 Apr 20, 2016 $246
United Airlines
Departure Date Return Date Lowest Price
Apr 15, 2016 Apr 19, 2016 $248
Apr 19, 2016 May 3, 2016 $248

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 $288.

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
$294 $246 $248 $255 $248 $380 $345

Lowest Fares Chart By Month from Austin to St Louis

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Austin St Louis American 2/29/16 3/2/16 1 $325
March Austin St Louis American 3/2/16 3/9/16 1 $248
April Austin St Louis American 4/12/16 4/20/16 1 $246
May Austin St Louis United 5/11/16 5/15/16 1 $255
June Austin St Louis American 6/12/16 6/15/16 1 $338
July Austin St Louis United 7/14/16 7/19/16 1 $300
August Austin St Louis United 8/11/16 8/13/16 1 $355
September Austin St Louis United 9/16/16 9/18/16 1 $411

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 $120.

The average price for round trip flights from Austin to St Louis is $256.

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)

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 DFW X X X X X X X
Delta DTW X X X X X X X
Delta DTW / 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 HOU 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, Frontier, United $143

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Dallas - Ft Worth to St Louis American, United $201
Houston to St Louis American, United $291
San Antonio to St Louis American, United $245
Tyler to St Louis American, Alaska, United $318
Killeen to St Louis American, United $269
Corpus Christi to St Louis American, United $260
Abilene to St Louis American $313
San Angelo to St Louis American, Alaska Check Dates
Houston to Chicago American, Alaska, Frontier, Spirit, United $84
Dallas - Ft Worth to Atlanta American, Alaska, Spirit, United $77
Dallas - Ft Worth to Chicago American, Alaska, Spirit, United $77
Houston to New York American, JetBlue, United $210
Houston to Atlanta American, Alaska, Frontier, Spirit, United $112
Dallas - Ft Worth to Las Vegas American, Alaska, Frontier, Spirit, United, Virgin America $77
Houston to Dallas - Ft Worth American, Alaska, United $166
San Antonio to Chicago American, Alaska, United $268
Dallas - Ft Worth to Houston American, Alaska, United $153
Dallas - Ft Worth to Detroit American, Alaska, Spirit, United $77
Dallas - Ft Worth to Baltimore American, Alaska, JetBlue, Spirit, United $77
Dallas - Ft Worth to Orlando American, Alaska, JetBlue, Frontier, Spirit, United $77
Dallas - Ft Worth to Nashville Boutique, American, United $210
Dallas - Ft Worth to Kansas City American, United $178
Dallas - Ft Worth to Denver American, Alaska, Frontier, Spirit, United $77
Dallas - Ft Worth to Louisville American, Alaska, United $347
Dallas - Ft Worth to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $77
Dallas - Ft Worth to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $78
Dallas - Ft Worth to New York American, JetBlue, Spirit, United, Virgin America $81
Dallas - Ft Worth to Springfield American $399
Dallas - Ft Worth to Seattle American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $180
Cheap Flights from Austin to St Louis, MO, United States, from $246 Round trip from AUS to STL