How popular is this Austin to St. Louis flight route?

This flight path from Austin Bergstrom to Lambert-St Louis was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Austin to St. Louis round-trip?

Our cheapest airline available from Austin to St. Louis is Frontier. Our recent data shows that you can find tickets from as low as $158 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $242 and $266 round-trip. You may be able to fly from Austin to St. Louis for 52% less than the average price by searching for these airlines.

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

$60 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $112 and $121, respectively.

What are the cheapest flights from Austin to St. Louis?

While on average a flight from Austin to St. Louis is generally $338, our data shows the cheapest flight currently is $166. When looking at the most popular route, (Austin Bergstrom - Lambert-St Louis), you can expect to pay $198 for that flight.

What are the most popular airlines that fly from Austin to St. Louis?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Austin to St. Louis.

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

Users have found that flying from Austin to St. Louis on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save up to 151% on this flight, we recommend booking at least 47 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Austin to St. Louis from $335 1-2 weeks out and tickets from $461 for flights departing within the next 72 hours.

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

April can be a great time to fly to St. Louis from Austin with a flight ticket averaging about $330. Cheapflights users have found deals in the month of April for as cheap as $199. The most expensive prices can be found in the month of January.

Most accurate provider : When it comes to deals on Austin-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Austin-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Austin to St. Louis?

If you book a flight from Austin to St. Louis, you will be flying from Austin Bergstrom to Lambert-St Louis. Flights to Lambert-St Louis (STL) from Austin Bergstrom (AUS) take 2h 00m for a nonstop flight. There are 3 flights from Austin Bergstrom to St. Louis per day from 5 airlines.

Can I find deals for flights from Austin to St. Louis that include hotel bookings?

Yes. In addition to deals on Austin to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to St. Louis.

Can I find deals for business class flights from Austin to St. Louis?

Yes. Cheapflights offers flight deals from Austin to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$60+ Flights from Austin, Texas to St. Louis, Missouri

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Austin to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Austin Bergstrom to Lambert-St Louis are usually found in April or February, booked 46 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Austin to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	January
Cheapest in	April
Round-trip from	$158 (CheapOair)
One-way from	$60 (Frontier)

Provider with most accurate pricing for Austin Bergstrom-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Austin Bergstrom-Lambert-St Louis flights.

Search Deals

High demand for flights, 13% potential price rise

Search Deals

Best time to find cheap flights, 9% potential price drop

Search Deals

From Austin Bergstrom to Lambert-St Louis

Search Deals

One-way flight from Austin Bergstrom to Lambert-St Louis

Search Deals

Find flight deals from Austin to St. Louis

Cheapest flights from Austin to St. Louis
Explore the most affordable flight options available from Austin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Wed 12/185:19 pmAUS - STL

1 stop28h 00mFrontier

Wed 1/86:46 pmSTL - AUS

1 stop24h 33mFrontier

Deal found 11/19

$158

Sat 12/146:23 amAUS - STL

1 stop8h 18mDelta

Thu 12/196:04 amSTL - AUS

1 stop6h 08mDelta

Deal found 11/19

$242

Fri 12/275:45 amAUS - STL

1 stop5h 27mAmerican Airlines

Wed 1/15:21 amSTL - AUS

1 stop3h 55mAmerican Airlines

Deal found 11/19

$266

Mon 12/163:30 pmAUS - STL

1 stop4h 00mSouthwest

Thu 12/1910:25 pmSTL - AUS

Nonstop2h 15mSouthwest

Deal found 11/19

$267

Thu 12/58:23 pmAUS - STL

1 stop11h 50mMultiple Airlines

Sun 12/84:26 pmSTL - AUS

1 stop25h 00mMultiple Airlines

Deal found 11/20

$276

Fri 12/207:51 pmAUS - STL

1 stop4h 08mUnited Airlines

Mon 12/234:43 pmSTL - AUS

1 stop7h 16mUnited Airlines

Deal found 11/20

$290

Mon 12/97:00 amAUS - STL

2 stops16h 59mAlaska Airlines

Sat 12/147:20 amSTL - AUS

2 stops28h 45mAlaska Airlines

Deal found 11/18

$647

Best flights from Austin to St. Louis
Discover carefully curated flight deals from Austin to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2024.

Wed 12/185:19 pmAUS - STL

1 stop28h 00mFrontier

Wed 1/86:46 pmSTL - AUS

1 stop24h 33mFrontier

Deal found 11/19

$158

Sat 12/146:23 amAUS - STL

1 stop8h 18mDelta

Thu 12/196:04 amSTL - AUS

1 stop6h 08mDelta

Deal found 11/19

$242

Fri 12/275:45 amAUS - STL

1 stop5h 27mAmerican Airlines

Wed 1/15:21 amSTL - AUS

1 stop3h 55mAmerican Airlines

Deal found 11/19

$266

Mon 12/163:30 pmAUS - STL

1 stop4h 00mSouthwest

Thu 12/1910:25 pmSTL - AUS

Nonstop2h 15mSouthwest

Deal found 11/19

$267

Thu 12/58:23 pmAUS - STL

1 stop11h 50mMultiple Airlines

Sun 12/84:26 pmSTL - AUS

1 stop25h 00mMultiple Airlines

Deal found 11/20

$276

Fri 12/207:51 pmAUS - STL

1 stop4h 08mUnited Airlines

Mon 12/234:43 pmSTL - AUS

1 stop7h 16mUnited Airlines

Deal found 11/20

$290

Tue 1/79:00 amAUS - STL

2 stops28h 53mAlaska Airlines

Tue 1/142:49 pmSTL - AUS

2 stops28h 30mAlaska Airlines

Deal found 11/19

$572

Last-minute flights from Austin to St. Louis
Discover last-minute flight deals from Austin to St. Louis. Data last updated November 20, 2024 and is based on user searches.

Tue 11/2612:15 pmAUS - STL

1 stop11h 51mMultiple Airlines

Tue 12/35:21 pmSTL - AUS

1 stop24h 05mMultiple Airlines

Deal found 11/19

$356

Tue 11/265:05 amAUS - STL

Nonstop2h 00mSouthwest

Tue 12/36:35 amSTL - AUS

1 stop5h 15mSouthwest

Deal found 11/19

$441

Tue 11/266:22 amAUS - STL

1 stop8h 18mDelta

Thu 11/2811:25 amSTL - AUS

1 stop6h 54mDelta

Deal found 11/19

$468

Tue 11/267:15 amAUS - STL

2 stops8h 24mUnited Airlines

Tue 12/36:30 amSTL - AUS

2 stops8h 54mUnited Airlines

Deal found 11/19

$548

Wed 11/2710:44 pmAUS - STL

1 stop25h 22mFrontier

Wed 12/46:46 pmSTL - AUS

1 stop24h 37mFrontier

Deal found 11/18

$292

Wed 11/276:30 pmAUS - STL

2 stops21h 56mSpirit Airlines

Sun 12/15:21 pmSTL - AUS

3 stops19h 01mSpirit Airlines

Deal found 11/18

$1,171

Thu 11/286:15 amAUS - STL

2 stops8h 59mAmerican Airlines

Sat 11/307:30 pmSTL - AUS

1 stop4h 24mAmerican Airlines

Deal found 11/20

$473

Thu 11/2810:00 amAUS - STL

2 stops27h 27mAlaska Airlines

Sun 12/12:24 pmSTL - AUS

2 stops24h 55mAlaska Airlines

Deal found 11/19

$1,667

Thu 12/58:23 pmAUS - STL

1 stop11h 50mMultiple Airlines

Sun 12/84:26 pmSTL - AUS

1 stop25h 00mMultiple Airlines

Deal found 11/20

$276

Mon 12/97:00 amAUS - STL

2 stops16h 59mAlaska Airlines

Sat 12/147:20 amSTL - AUS

2 stops28h 45mAlaska Airlines

Deal found 11/18

$647

Sat 12/146:23 amAUS - STL

1 stop8h 18mDelta

Thu 12/196:04 amSTL - AUS

1 stop6h 08mDelta

Deal found 11/19

$242

Mon 12/163:30 pmAUS - STL

1 stop4h 00mSouthwest

Thu 12/1910:25 pmSTL - AUS

Nonstop2h 15mSouthwest

Deal found 11/19

$267

One-way flights from Austin to St. Louis
Search for one-way flight options from Austin to St. Louis. Find affordable one-way fares based on user searches. Data last updated November 20, 2024.

Sat 1/410:30 pmAUS - STL

1 stop12h 40mFrontier

Deal found 11/19

$60

Wed 1/16:15 amAUS - STL

Nonstop2h 05mSouthwest

Deal found 11/19

$112

Wed 1/16:15 amAUS - STL

1 stop7h 22mAmerican Airlines

Deal found 11/19

$121

Tue 12/176:23 amAUS - STL

1 stop8h 18mDelta

Deal found 11/18

$133

Mon 12/167:42 pmAUS - STL

2 stops19h 39mSpirit Airlines

Deal found 11/18

$135

Fri 2/145:59 pmAUS - STL

1 stop4h 01mUnited Airlines

Deal found 11/19

$141

Wed 1/88:00 amAUS - STL

3 stops27h 45mMultiple Airlines

Deal found 11/19

$156

Sat 2/225:53 pmAUS - STL

2 stops20h 32mAlaska Airlines

Deal found 11/19

$227

Find flights from Austin to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Wed 12/18

5:19 pm-9:19 pm

1 stop28h 00m

Lambert-St Louis

Wed 1/8

6:46 pm-7:19 pm

1 stop24h 33m

$158

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Sat 12/14

6:23 am-2:41 pm

1 stop8h 18m

Lambert-St Louis

Thu 12/19

6:04 am-12:12 pm

1 stop6h 08m

$242

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Fri 12/27

7:00 am-10:45 am

1 stop3h 45m

Lambert-St Louis

Wed 1/1

5:21 am-9:16 am

1 stop3h 55m

$266

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Mon 12/16

3:30 pm-7:30 pm

1 stop4h 00m

Lambert-St Louis

Thu 12/19

10:25 pm-12:40 am

Nonstop2h 15m

$267

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Thu 12/5

8:23 pm-8:13 am

1 stop11h 50m

Lambert-St Louis

Sun 12/8

4:26 pm-5:26 pm

1 stop25h 00m

$276

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Thu 12/26

5:15 am-9:56 am

1 stop4h 41m

Lambert-St Louis

Thu 1/2

8:30 am-1:17 pm

1 stop4h 47m

$290

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Sat 3/15

5:53 pm-11:59 pm

2 stops30h 06m

Lambert-St Louis

Wed 3/19

7:00 am-11:58 pm

1 stop16h 58m

$557

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Sat 1/4

10:30 pm-11:10 am

1 stop12h 40m

$60

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Wed 1/1

6:15 am-8:20 am

Nonstop2h 05m

$112

AustinSt. Louis

AUS - STL

AUSSTL

Austin Bergstrom

Wed 1/1

6:15 am-1:37 pm

1 stop7h 22m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results

Compare providers for flights from Austin to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to St. Louis in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Austin-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Austin-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Austin with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Austin to St. Louis

Get recent, data-driven insights about flights from Austin to St. Louis including ideal travel times, pricing trends, and more.

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

The price you pay for your flight from Austin to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Austin to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Austin to St. Louis (average of $308). Flying from Austin to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AUS to STL?

One of the essential ways to save on airfare from Austin to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

What is the cheapest day to fly from Austin to St. Louis?

Travelers seeking maximum savings on their Austin to St. Louis flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Frontier, Delta and Southwest from Austin to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest

8.1

Very good

5,014 reviews

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines

8.0

Very good

9,461 reviews

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta

8.0

Very good

8,756 reviews

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines

7.4

Good

9,171 reviews

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

5,014 reviews

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

What airports do I use to fly from Austin to St. Louis?
If you book a flight from Austin to St. Louis, you will be flying from Austin Bergstrom to Lambert-St Louis. Flights to Lambert-St Louis (STL) from Austin Bergstrom (AUS) take 2h 00m for a nonstop flight. There are 3 flights from Austin Bergstrom to St. Louis per day from 5 airlines.
How popular is this Austin to St. Louis flight route?
This flight path from Austin Bergstrom to Lambert-St Louis was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Austin to St. Louis round-trip?
Our cheapest airline available from Austin to St. Louis is Frontier. Our recent data shows that you can find tickets from as low as $158 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $242 and $266 round-trip. You may be able to fly from Austin to St. Louis for 52% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Austin to St. Louis one-way?
$60 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $112 and $121, respectively.
What are the cheapest flights from Austin to St. Louis?
While on average a flight from Austin to St. Louis is generally $338, our data shows the cheapest flight currently is $166. When looking at the most popular route, (Austin Bergstrom - Lambert-St Louis), you can expect to pay $198 for that flight.
Can I find deals for flights from Austin to St. Louis that include hotel bookings?
Yes. In addition to deals on Austin to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to St. Louis.
Can I find deals for business class flights from Austin to St. Louis?
Yes. Cheapflights offers flight deals from Austin to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Austin to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Austin to St. Louis (average of $308). Flying from Austin to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Austin to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$136	Average$198	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$194	Average$352	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$200	Average$335	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$205	Average$330	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$239	Average$337	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

View all available airlines

$60+ Cheap flights from Austin to St. Louis (AUS - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Austin Bergstrom to Lambert-St Louis are usually found in April or February, booked 46 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Austin to St. Louis

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Round-trip from

One-way from

Find flight deals from Austin to St. Louis

Cheapest flights from Austin to St. LouisExplore the most affordable flight options available from Austin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Explore the most affordable flight options available from Austin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Find flights from Austin to St. Louis within your budget

Compare providers for flights from Austin to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to St. Louis in November.

Best time to book a flight from Austin to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Austin with our price prediction graph.

Travel insights for flights from Austin to St. Louis

Get recent, data-driven insights about flights from Austin to St. Louis including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to St. Louis. Price data was last updated on November 15, 2024.

What is the cheapest month to book a flight from Austin to St. Louis?

What is the cheapest time of day to fly from AUS to STL?

Find hourly flight availability from Austin to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

What is the cheapest day to fly from Austin to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Austin to St. Louis. Price data was last updated on November 18, 2024.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Frontier, Delta and Southwest from Austin to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Austin to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Austin to St. Louis?

How popular is this Austin to St. Louis flight route?

What are the cheapest airlines flying from Austin to St. Louis round-trip?

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

What are the cheapest flights from Austin to St. Louis?

Can I find deals for flights from Austin to St. Louis that include hotel bookings?

How can I find direct flights from Austin to St. Louis?

Can I find deals for business class flights from Austin to St. Louis?

What is the cheapest month to book a flight from Austin to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Austin to St. Louis

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Austin to St. Louis
Explore the most affordable flight options available from Austin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.