How many flights depart from Austin to St. Louis on average per week?

As of October 2026, there are 3 flights per week flying from Austin to St. Louis. The most common day of the week flights depart is Wed, with 100% of flights taking off on this day.

What is the cheapest airline that flies from Austin Bergstrom to Lambert-St Louis?

Southwest, Delta, and United Airlines are the most popular carriers operating from Austin Bergstrom to Lambert-St Louis

When did momondo last update prices for flights from Austin Bergstrom Airport to Lambert-St Louis Airport?

Prices for flights from Austin Bergstrom Airport to Lambert-St Louis Airport are updated daily.

How old do you have to be to fly from Austin Bergstrom Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

R1 698 Cheap Flights from Austin to St. Louis in 2026/27

Find the cheapest flights from Austin to St. Louis

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

7:50 - 9:50AUS Austin Bergstrom-STL Lambert-St Louis

2h 00mdirect

20:25 - 22:35STL Lambert-St Louis-AUS Austin Bergstrom

2h 10mdirect

R3 379Southwest

Sat, Dec 12 - Tue, Dec 15

5:15 - 9:45AUS Austin Bergstrom-STL Lambert-St Louis

4h 30m1 stop Houston George Bush Intcntl

15:25 - 22:45STL Lambert-St Louis-AUS Austin Bergstrom

7h 20m1 stop Chicago O'Hare Intl

R3 462United Airlines

Tue, Dec 15 - Tue, Dec 15

12:50 - 16:20AUS Austin Bergstrom-STL Lambert-St Louis

3h 30m1 stop Dallas Love Field

8:25 - 10:35STL Lambert-St Louis-AUS Austin Bergstrom

2h 10mdirect

R3 546Southwest

Sat, Dec 12 - Mon, Dec 14

5:15 - 12:24AUS Austin Bergstrom-STL Lambert-St Louis

7h 09m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:45 - 15:23STL Lambert-St Louis-AUS Austin Bergstrom

4h 38m1 stop Houston George Bush Intcntl

R3 629United Airlines

Sat, Dec 12 - Mon, Dec 14

7:30 - 9:35AUS Austin Bergstrom-STL Lambert-St Louis

2h 05mdirect

13:40 - 15:45STL Lambert-St Louis-AUS Austin Bergstrom

2h 05mdirect

R3 712Southwest

Wed, Dec 2 - Fri, Dec 4

12:15 - 14:20AUS Austin Bergstrom-STL Lambert-St Louis

2h 05mdirect

21:50 - 23:55STL Lambert-St Louis-AUS Austin Bergstrom

2h 05mdirect

R3 745Southwest

Tue, Dec 15 - Fri, Dec 18

7:50 - 16:25AUS Austin Bergstrom-STL Lambert-St Louis

8h 35m2 stops Dallas Love Field Denver Intl

8:30 - 12:15STL Lambert-St Louis-AUS Austin Bergstrom

3h 45m1 stop Houston Hobby

R3 795Southwest

Thu, Nov 26 - Thu, Dec 3

12:35 - 17:25AUS Austin Bergstrom-STL Lambert-St Louis

4h 50m1 stop Dallas Love Field

13:40 - 15:45STL Lambert-St Louis-AUS Austin Bergstrom

2h 05mdirect

R3 879Southwest

Wed, Dec 2 - Fri, Dec 4

5:15 - 9:45AUS Austin Bergstrom-STL Lambert-St Louis

4h 30m1 stop Houston George Bush Intcntl

10:45 - 15:20STL Lambert-St Louis-AUS Austin Bergstrom

4h 35m1 stop Houston George Bush Intcntl

R3 912United Airlines

Tue, Dec 15 - Tue, Jan 5

5:15 - 12:22AUS Austin Bergstrom-STL Lambert-St Louis

7h 07m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

15:07 - 19:55STL Lambert-St Louis-AUS Austin Bergstrom

4h 48m1 stop Houston George Bush Intcntl

R3 995United Airlines

Tue, Dec 15 - Tue, Jan 5

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:35 - 9:35AUS Austin Bergstrom-STL Lambert-St Louis

2h 00mdirect

13:40 - 15:45STL Lambert-St Louis-AUS Austin Bergstrom

2h 05mdirect

R9 489Southwest

Sun, Nov 1 - Wed, Dec 2

15:30 - 21:20AUS Austin Bergstrom-STL Lambert-St Louis

5h 50m2 stops Panama City NW Florida Beaches Nashville Intl

5:30 - 10:45STL Lambert-St Louis-AUS Austin Bergstrom

5h 15m1 stop Dallas Love Field

R9 738Southwest

Sun, Nov 1 - Wed, Dec 2

7:30 - 9:35AUS Austin Bergstrom-STL Lambert-St Louis

2h 05mdirect

14:40 - 21:00STL Lambert-St Louis-AUS Austin Bergstrom

6h 20m1 stop Kansas City

R10 138Southwest

Tue, Nov 3 - Thu, Nov 5

5:15 - 14:34AUS Austin Bergstrom-STL Lambert-St Louis

9h 19m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

7:30 - 15:58STL Lambert-St Louis-AUS Austin Bergstrom

8h 28m1 stop Chicago O'Hare Intl

R10 204United Airlines

Tue, Nov 3 - Mon, Nov 9

12:16 - 21:40AUS Austin Bergstrom-STL Lambert-St Louis

9h 24m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:00 - 11:41STL Lambert-St Louis-AUS Austin Bergstrom

5h 41m1 stop Chicago O'Hare Intl

R11 886United Airlines

Tue, Nov 3 - Mon, Nov 9

12:16 - 21:40AUS Austin Bergstrom-STL Lambert-St Louis

9h 24m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

8:30 - 17:51STL Lambert-St Louis-AUS Austin Bergstrom

9h 21m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

R11 986United Airlines

Tue, Nov 3 - Thu, Nov 5

5:15 - 15:43AUS Austin Bergstrom-STL Lambert-St Louis

10h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:00 - 15:21STL Lambert-St Louis-AUS Austin Bergstrom

10h 21m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

R12 884United Airlines

Tue, Nov 3 - Mon, Nov 9

17:40 - 22:26AUS Austin Bergstrom-STL Lambert-St Louis

4h 46m1 stop Houston George Bush Intcntl

8:50 - 16:58STL Lambert-St Louis-AUS Austin Bergstrom

8h 08m1 stop Denver Intl

R13 034United Airlines

Fri, Oct 30 - Sat, Oct 31

9:37 - 21:40AUS Austin Bergstrom-STL Lambert-St Louis

12h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

17:34 - 22:52STL Lambert-St Louis-AUS Austin Bergstrom

5h 18m1 stop Chicago O'Hare Intl

R13 117United Airlines

Tue, Nov 3 - Mon, Nov 9

5:15 - 15:43AUS Austin Bergstrom-STL Lambert-St Louis

10h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

13:08 - 23:15STL Lambert-St Louis-AUS Austin Bergstrom

10h 07m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

R13 201United Airlines

Tue, Nov 3 - Mon, Nov 9

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United Airlines flights from Austin to St. Louis

Our best United Airlines deals on Austin to St. Louis flight tickets

United Airlines

Dec 15

AUS5:15Austin Bergstrom

4h 30m

1 stop

STL9:45Lambert-St Louis

Dec 15

STL15:25Lambert-St Louis

7h 20m

1 stop

AUS22:45Austin Bergstrom

R3 462

United Airlines

Dec 12

AUS5:15Austin Bergstrom

7h 09m

2 stops

STL12:24Lambert-St Louis

Dec 14

STL10:45Lambert-St Louis

4h 38m

1 stop

AUS15:23Austin Bergstrom

R3 629

United Airlines

Dec 15

AUS5:15Austin Bergstrom

7h 07m

2 stops

STL12:22Lambert-St Louis

Jan 5

STL15:07Lambert-St Louis

4h 48m

1 stop

AUS19:55Austin Bergstrom

R3 995

Southwest flights from Austin to St. Louis

Our best Southwest deals on Austin to St. Louis flight tickets

Southwest

Dec 12

AUS7:50Austin Bergstrom

2h 00m

STL9:50Lambert-St Louis

Dec 15

STL20:25Lambert-St Louis

2h 10m

AUS22:35Austin Bergstrom

R3 379

Southwest

Dec 12

AUS12:50Austin Bergstrom

3h 30m

1 stop

STL16:20Lambert-St Louis

Dec 14

STL8:25Lambert-St Louis

2h 10m

AUS10:35Austin Bergstrom

R3 546

Southwest

Dec 2

AUS7:30Austin Bergstrom

2h 05m

STL9:35Lambert-St Louis

Dec 4

STL13:40Lambert-St Louis

2h 05m

AUS15:45Austin Bergstrom

R3 712

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 12/12

7:50-9:50

Nonstop2h 00m

Lambert-St Louis

Tue 15/12

20:25-22:35

Nonstop2h 10m

R3 379

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 15/12

5:15-9:45

1 stop4h 30m

Lambert-St Louis

Tue 15/12

15:25-22:45

1 stop7h 20m

R3 462

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 12/12

12:50-16:20

1 stop3h 30m

Lambert-St Louis

Mon 14/12

8:25-10:35

Nonstop2h 10m

R3 546

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 12/12

5:15-12:24

2 stops7h 09m

Lambert-St Louis

Mon 14/12

10:45-15:23

1 stop4h 38m

R3 629

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 2/12

7:30-9:35

Nonstop2h 05m

Lambert-St Louis

Fri 4/12

13:40-15:45

Nonstop2h 05m

R3 712

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 15/12

12:15-14:20

Nonstop2h 05m

Lambert-St Louis

Fri 18/12

21:50-23:55

Nonstop2h 05m

R3 745

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 26/11

7:50-16:25

2 stops8h 35m

Lambert-St Louis

Thu 3/12

8:30-12:15

1 stop3h 45m

R3 795

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 2/12

12:35-17:25

1 stop4h 50m

Lambert-St Louis

Fri 4/12

13:40-15:45

Nonstop2h 05m

R3 879

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 15/12

5:15-9:45

1 stop4h 30m

Lambert-St Louis

Tue 5/1

10:45-15:20

1 stop4h 35m

R3 912

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 15/12

5:15-12:22

2 stops7h 07m

Lambert-St Louis

Tue 5/1

15:07-19:55

1 stop4h 48m

R3 995

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Austin and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from R5 410 to R8 423.
The lowest price recently found on this route was R3 379.

What is the cheapest month to fly to St. Louis?

In general, May is the cheapest month to fly from Austin to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R4 977. If you aren’t able to travel to St. Louis during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of R5 210.

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

You are more likely to see cheaper flights to St. Louis from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around R5 800 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Austin for as low as R3 379 on momondo.

How have Austin to St. Louis flight prices changed over time?

As of October 2026, prices for Austin to St. Louis flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Austin to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Austin to St. Louis (AUS to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to St. Louis

Best price found	R1 698
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Austin in the past 72 hours is R1 698. The best return flight deal from Austin to St. Louis found on momondo in the last 72 hours is R3 379.

Direct flights go from Austin to St. Louis every day.

There is 1 airport in St. Louis. From Austin there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Austin to St. Louis

How far is Austin Bergstrom to Lambert-St Louis by plane?
Lambert-St Louis is 1156,0 km away from Austin Bergstrom.
When did momondo last update prices for flights from Austin Bergstrom Airport to Lambert-St Louis Airport?
Prices for flights from Austin Bergstrom Airport to Lambert-St Louis Airport are updated daily.
How old do you have to be to fly from Austin Bergstrom Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Austin to St. Louis?
momondo data reveals that the most frequently booked plane model on the route from Austin to St. Louis is Boeing 737 MAX 8, representing 26,18% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17,55%, Airbus A319 at 11,42%, and Airbus A320-100/200 at 7,24%.

Why use momondo?

Why should I use momondo to find a flight deal from Austin to St. Louis?

It is quick and easy to find Austin to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Austin to St. Louis with flexible booking policies on momondo?

Flights from Austin to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austin to St. Louis?

Once you have performed a search for Austin to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Austin to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Austin to St. Louis from R1 698

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to St. Louis departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Austin to St. Louis

Our best United Airlines deals on Austin to St. Louis flight tickets

Southwest flights from Austin to St. Louis

Our best Southwest deals on Austin to St. Louis flight tickets

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How to get the cheapest flight ticket from Austin to St. Louis

What is the typical price of a round-trip flight between Austin and St. Louis?

What is the cheapest month to fly to St. Louis?

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

How have Austin to St. Louis flight prices changed over time?

What is the cheapest airline that flies from Austin Bergstrom to Lambert-St Louis?

How many flights depart from Austin to St. Louis on average per week?

When to book flights from Austin to St. Louis

Cheap Austin to St. Louis (AUS to STL) flight deals and tips

Best price found

Direct flights

Airports in St. Louis

Frequently asked questions about flying from Austin to St. Louis

Why use momondo?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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