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Cheap flights from St Louis to Austin (STL - AUS)

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The best prices from St Louis to Austin are usually found in September or January, booked 50 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
St Louis (STL) to Austin (AUS)

STL - AUS
Price
$222 - $298
AUS
Temperature
64.4 - 96.8 °F
AUS
Rainfall
1.3 - 4.8 inches
Popular in May High demand for flights, 9% potential price rise
Cheapest in September Best time to find cheap flights, 18% potential price drop
Round-trip from $222 From St Louis to Austin
One-way from $109 One-way flight from St Louis to Austin
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Austin?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St Louis to Austin?

To save on the cost of your flight from St Louis to Austin, book at least 31 days before your planned departure. Booking around this time can save you about 42% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $125 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $172.

What is the cheapest month to fly from St Louis to Austin?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Austin. Flights to Austin from St Louis in February are about $122 on average during February, but can be found for as low as $72.

When is the cheapest time to fly from St Louis to Austin (STL - AUS)?

When flying from St Louis to Austin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the noon, which can drop the price by up to 9% versus a flight in the afternoon.

Cheap flights from St Louis to Austin in August, September 2020

The best prices found for STL to AUS flights for August, September
27 Jul - 31 Jul
$139pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
6 Aug - 10 Aug
$142pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
3 Aug - 10 Aug
$150pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
American Airlines
 
1 STOP
STL
Lambert-St Louis

St Louis to Austin 2020 flight deals

Cheap flights to Austin from St Louis found for this year
27 Jul - 31 Jul
$139pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
6 Aug - 10 Aug
$142pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
3 Aug - 10 Aug
$150pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
American Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Austin

Late deals on round-trip flights to Austin from St Louis, departing today and this week
27 Jul - 31 Jul
$139pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
27 Jul - 31 Jul
$422pp
STL
Lambert-St Louis
Delta
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
Delta
 
1 STOP
STL
Lambert-St Louis
27 Jul - 31 Jul
$484pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
AUS
Austin Bergstrom
AUS
Austin Bergstrom
United Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Austin from St Louis

The cheapest one-way flights from St Louis to Austin
9:40 am - 5:59 am
Multiple Airlines
2 Stops
44h 19m
STL - AUS
Multiple Airlines
$109
Kiwi.com
4:25 am - 10:02 am
Delta
1 Stop
5h 37m
STL - AUS
Delta
$247
Delta
6:15 am - 3:16 pm
Linear Air Taxi
2 Stops
9h 01m
STL - AUS
Linear Air Taxi
$6123
Travelgenio

Related info for your journey

Useful info, stats and facts about St Louis to Austin flights.

Flight FAQs

From St Louis to Austin

Are flight prices decreasing from St Louis to Austin due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Austin for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Austin for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Austin for under $200. The cheapest flight booked recently is on Multiple Airlines for just $139, but on average you can expect to pay $173.

Are there nonstop flights from St Louis to Austin for under $100 on Cheapflights?

There are no nonstop flights from St Louis to Austin, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Austin for under $200?

There are currently 4+ open flights from St Louis to Austin within the next 7 days for less than $200.

How popular is this flight route?

Within the past month, 22 users have taken a look at flights from Lambert-St Louis to Austin Bergstrom.

Does it rain more in St Louis or Austin?

Expected rainfall in St Louis is more than in Austin. You can expect this to be the case over the next 12 days.

Is St Louis weather warmer or cooler than Austin?

You can imagine temperatures to be in the 97 °F range in August. The weather in Austin is generally hotter than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to Austin?

A quick flight from St Louis to Austin can take about 4h 46m. Delta provides one of the quickest options available for as low as $186.

What is the cheapest airline to fly from St Louis to Austin round-trip?

Flying on Delta is currently your cheapest option to Austin, with prices starting at $176. Delta is priced at 34% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St Louis to Austin one-way?

The cheapest airlines for a one-way flight from St Louis to Austin are Delta ($83) and Linear Air Taxi ($6123).

Alternative routes for St Louis to Austin

Destination information for Austin

Things to know before you go. Useful info for your trip from St Louis to Austin
Average temperature for August in Austin
96.8 °F
Avg rainfall for August in Austin
3.1 ″

Airports servicing St. Louis

Airports servicing Austin

Hourly flight availability from St Louis to Austin

Afternoon Noon to 6 PM 58% of STL to AUS departures
Evening 6 PM to midnight 25% of STL to AUS departures
Morning 6 AM to noon 16% of STL to AUS departures
Early morning Midnight to 6 AM 1% of STL to AUS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St Louis to Austin
Sunday
2 daily flights
Monday
4 daily flights
Tuesday
4 daily flights
Wednesday
4 daily flights
Thursday
4 daily flights
Friday
4 daily flights
Saturday
3 daily flights
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