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Cheap flights from Austin to St. Louis from R1 760

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Austin to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Southwest Logo
7:15 - 9:20AUS  Austin Bergstrom-STL Lambert-St Louis
2h 05mdirect
Southwest Logo
21:45 - 23:55STL  Lambert-St Louis-AUS Austin Bergstrom
2h 10mdirect
R3 505Southwest
Sat, Oct 3 - Mon, Oct 5
Southwest Logo
5:35 - 9:10AUS  Austin Bergstrom-STL Lambert-St Louis
3h 35m1 stop Dallas Love Field
Southwest Logo
21:45 - 23:55STL  Lambert-St Louis-AUS Austin Bergstrom
2h 10mdirect
R3 666Southwest
Sat, Oct 3 - Mon, Oct 5
Southwest Logo
16:35 - 23:15AUS  Austin Bergstrom-STL Lambert-St Louis
6h 40m2 stops Tulsa Denver Intl
Southwest Logo
14:25 - 16:30STL  Lambert-St Louis-AUS Austin Bergstrom
2h 05mdirect
R3 747Southwest
Wed, Oct 7 - Tue, Oct 13
United Airlines Logo
6:50 - 12:13AUS  Austin Bergstrom-STL Lambert-St Louis
5h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
15:12 - 19:57STL  Lambert-St Louis-AUS Austin Bergstrom
4h 45m1 stop Houston George Bush Intcntl
R3 828United Airlines
Thu, Oct 1 - Sat, Oct 3
Southwest Logo
8:45 - 16:05AUS  Austin Bergstrom-STL Lambert-St Louis
7h 20m2 stops Houston Hobby Omaha Eppley Airfield
Southwest Logo
5:05 - 10:55STL  Lambert-St Louis-AUS Austin Bergstrom
5h 50m1 stop Houston Hobby
R3 908Southwest
Sat, Oct 3 - Mon, Oct 5
Southwest Logo
19:50 - 0:40AUS  Austin Bergstrom-STL Lambert-St Louis
4h 50m1 stop Dallas Love Field
Southwest Logo
21:45 - 23:55STL  Lambert-St Louis-AUS Austin Bergstrom
2h 10mdirect
R3 989Southwest
Fri, Oct 9 - Mon, Oct 12
Southwest Logo
19:50 - 0:40AUS  Austin Bergstrom-STL Lambert-St Louis
4h 50m1 stop Dallas Love Field
Southwest Logo
21:45 - 23:55STL  Lambert-St Louis-AUS Austin Bergstrom
2h 10mdirect
R4 086Southwest
Thu, Oct 8 - Mon, Oct 12
Delta Logo
17:05 - 23:54AUS  Austin Bergstrom-STL Lambert-St Louis
6h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
17:30 - 0:22STL  Lambert-St Louis-AUS Austin Bergstrom
6h 52m1 stop Atlanta Hartsfield-Jackson
R4 151Delta
Fri, Nov 6 - Mon, Nov 9
Southwest Logo
7:35 - 9:35AUS  Austin Bergstrom-STL Lambert-St Louis
2h 00mdirect
Southwest Logo
21:50 - 23:55STL  Lambert-St Louis-AUS Austin Bergstrom
2h 05mdirect
R4 167Southwest
Thu, Nov 5 - Sun, Nov 8
Southwest Logo
18:55 - 21:00AUS  Austin Bergstrom-STL Lambert-St Louis
2h 05mdirect
Southwest Logo
18:10 - 0:15STL  Lambert-St Louis-AUS Austin Bergstrom
6h 05m1 stop Orlando
R4 312Southwest
Fri, Oct 23 - Fri, Oct 30

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Delta flights from Austin to St. Louis

Our best Delta deals on Austin to St. Louis flight tickets
Delta
Nov 6
AUS17:05Austin Bergstrom
6h 49m
1 stop
STL23:54Lambert-St Louis
Nov 9
STL17:30Lambert-St Louis
6h 52m
1 stop
AUS0:22Austin Bergstrom
R4 151
Delta
Dec 22
AUS18:43Austin Bergstrom
5h 12m
1 stop
STL23:55Lambert-St Louis
Jan 6
STL6:00Lambert-St Louis
5h 19m
1 stop
AUS11:19Austin Bergstrom
R4 829
Delta
Dec 25
AUS10:52Austin Bergstrom
7h 27m
1 stop
STL18:19Lambert-St Louis
Jan 3
STL7:01Lambert-St Louis
7h 14m
1 stop
AUS14:15Austin Bergstrom
R5 233

United Airlines flights from Austin to St. Louis

Our best United Airlines deals on Austin to St. Louis flight tickets
United Airlines
Oct 1
AUS6:50Austin Bergstrom
5h 23m
1 stop
STL12:13Lambert-St Louis
Oct 3
STL15:12Lambert-St Louis
4h 45m
1 stop
AUS19:57Austin Bergstrom
R3 828
United Airlines
Oct 9
AUS17:39Austin Bergstrom
4h 51m
1 stop
STL22:30Lambert-St Louis
Oct 11
STL6:15Lambert-St Louis
4h 53m
1 stop
AUS11:08Austin Bergstrom
R4 910
United Airlines
Oct 1
AUS6:50Austin Bergstrom
5h 23m
1 stop
STL12:13Lambert-St Louis
Oct 5
STL17:36Lambert-St Louis
5h 22m
1 stop
AUS22:58Austin Bergstrom
R5 120

momondo Fare Finder

 
Use the filters below to find and compare flights from Austin to St. Louis that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 3/10

7:15-9:20

Nonstop2h 05m

Lambert-St Louis

Mon 5/10

21:45-23:55

Nonstop2h 10m

R3 505

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 3/10

5:35-9:10

1 stop3h 35m

Lambert-St Louis

Mon 5/10

21:45-23:55

Nonstop2h 10m

R3 666

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 7/10

16:35-23:15

2 stops6h 40m

Lambert-St Louis

Tue 13/10

14:25-16:30

Nonstop2h 05m

R3 747

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 1/10

6:50-12:13

1 stop5h 23m

Lambert-St Louis

Sat 3/10

15:12-19:57

1 stop4h 45m

R3 828

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 3/10

8:45-16:05

2 stops7h 20m

Lambert-St Louis

Mon 5/10

5:05-10:55

1 stop5h 50m

R3 908

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Fri 9/10

19:50-0:40

1 stop4h 50m

Lambert-St Louis

Mon 12/10

21:45-23:55

Nonstop2h 10m

R3 989

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 8/10

19:50-0:40

1 stop4h 50m

Lambert-St Louis

Mon 12/10

21:45-23:55

Nonstop2h 10m

R4 086

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Fri 6/11

17:05-23:54

1 stop6h 49m

Lambert-St Louis

Mon 9/11

17:30-0:22

1 stop6h 52m

R4 151
Fastest return journey

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 5/11

7:35-9:35

Nonstop2h 00m

Lambert-St Louis

Sun 8/11

21:50-23:55

Nonstop2h 05m

R4 167

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Fri 23/10

18:55-21:00

Nonstop2h 05m

Lambert-St Louis

Fri 30/10

18:10-0:15

1 stop6h 05m

R4 312

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 R4 861 to R6 670.
The lowest price recently found on this route was R3 505.

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

In general, October 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 328. If you aren’t able to travel to St. Louis during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of R4 829.

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 469 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 278 on momondo.

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

As of September 2026, prices for Austin to St. Louis flights are approximately 34% 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 760

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 760. The best return flight deal from Austin to St. Louis found on momondo in the last 72 hours is R3 505.
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?

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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