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

The Lambert-St Louis to Austin Bergstrom flight path was viewed by 5 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 St. Louis to Austin round-trip?

According to our current data, Frontier ($138), Southwest ($212), and American Airlines ($244) offers the cheapest pricing from St. Louis to Austin. Users have found that Frontier is 55% cheaper than the other options available to this destination.

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 Frontier ($65), Southwest ($100), and Delta ($109).

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

While on average a flight from St. Louis to Austin is generally $292, our data shows the cheapest flight currently is $146. When looking at the most popular route, (Lambert-St Louis - Austin Bergstrom), you can expect to pay $191 for that flight.

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

The most popular airlines flying from St. Louis to Austin are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Users have found that flying from St. Louis to Austin on a Thursday 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 St. Louis to Austin?

Travelers have found it’s best to book a flight 37 days in advance to save up to 113% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Austin 1-2 weeks in advance for as low as $334, or $439 for flights within the next 24 hours.

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

January is one of the best times of the year to fly to Austin from St. Louis. Prices for January average $311 per person but you can even find prices for as low as $212. The most expensive prices can be found in the month of April. Opting for a January flight can save you 18% on your journey compared to booking in April

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

Most trusted provider : When it comes to deals on St. Louis-Austin 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 St. Louis-Austin 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 St. Louis to Austin?

If you book a flight from St. Louis to Austin, you will be flying from Lambert-St Louis to Austin Bergstrom. Flights to Austin Bergstrom (AUS) from Lambert-St Louis (STL) take 2h 05m for a nonstop flight. There are 2 flights from Lambert-St Louis to Austin per day from 5 airlines.

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

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

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

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

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

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

$65+ Flights from St. Louis to Austin

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Find cheap flights from St. Louis to Austin 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 Lambert-St Louis to Austin Bergstrom are usually found in January or June, booked 36 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from St. Louis to Austin

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	April
Cheapest in	January
Round-trip from	$138 (CheapOair)
One-way from	$65 (CheapOair)

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

Search Deals

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

Search Deals

High demand for flights, 16% potential price rise

Search Deals

Best time to find cheap flights, 19% potential price drop

Search Deals

From Lambert-St Louis to Austin Bergstrom

Search Deals

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

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Find flight deals from St. Louis to Austin

Cheapest flights from St. Louis to Austin
Explore the most affordable flight options available from St. Louis to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2024.

Tue 12/179:46 pmSTL - AUS

1 stop24h 11mFrontier

Sun 1/53:38 pmAUS - STL

1 stop16h 35mFrontier

Deal found 12/4

$191

Sun 12/225:30 pmSTL - AUS

1 stop5h 42mUnited Airlines

Sat 1/184:22 pmAUS - STL

1 stop5h 58mUnited Airlines

Deal found 12/5

$280

Sun 12/225:30 amSTL - AUS

1 stop3h 30mSouthwest

Sat 1/189:10 amAUS - STL

Nonstop2h 00mSouthwest

Deal found 12/5

$287

Wed 12/2511:36 amSTL - AUS

1 stop4h 17mAmerican Airlines

Mon 12/305:52 pmAUS - STL

1 stop4h 29mAmerican Airlines

Deal found 12/4

$290

Mon 12/96:46 pmSTL - AUS

1 stop20h 23mMultiple Airlines

Wed 12/116:21 pmAUS - STL

1 stop21h 00mMultiple Airlines

Deal found 12/5

$481

Tue 12/104:26 pmSTL - AUS

2 stops18h 51mSpirit Airlines

Wed 12/111:30 pmAUS - STL

2 stops25h 51mSpirit Airlines

Deal found 12/4

$898

Thu 12/54:08 pmSTL - AUS

2 stops25h 36mAlaska Airlines

Sun 12/87:59 pmAUS - STL

2 stops20h 35mAlaska Airlines

Deal found 12/4

$1,248

Best flights from St. Louis to Austin
Discover carefully curated flight deals from St. Louis to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 5, 2024.

Wed 2/57:09 pmSTL - AUS

1 stop24h 14mFrontier

Sat 2/84:05 pmAUS - STL

1 stop27h 26mFrontier

Deal found 12/4

$138

Thu 1/303:48 pmSTL - AUS

1 stop26h 57mMultiple Airlines

Tue 2/44:14 pmAUS - STL

1 stop17h 02mMultiple Airlines

Deal found 12/5

$193

Thu 1/3011:05 amSTL - AUS

Nonstop2h 15mSouthwest

Tue 2/410:55 amAUS - STL

Nonstop2h 00mSouthwest

Deal found 12/5

$212

Sat 1/46:00 pmSTL - AUS

1 stop6h 13mAmerican Airlines

Sat 1/117:09 amAUS - STL

1 stop6h 58mAmerican Airlines

Deal found 12/5

$244

Thu 1/98:00 amSTL - AUS

1 stop8h 09mUnited Airlines

Sun 1/129:44 amAUS - STL

1 stop5h 54mUnited Airlines

Deal found 12/4

$266

Thu 5/226:30 amSTL - AUS

1 stop5h 21mDelta

Mon 5/266:00 amAUS - STL

1 stop8h 16mDelta

Deal found 12/4

$350

Wed 2/52:49 pmSTL - AUS

2 stops32h 16mAlaska Airlines

Sat 2/89:00 amAUS - STL

2 stops28h 53mAlaska Airlines

Deal found 12/4

$465

Last-minute flights from St. Louis to Austin
Discover last-minute flight deals from St. Louis to Austin. Data last updated December 5, 2024 and is based on user searches.

Thu 12/54:08 pmSTL - AUS

2 stops25h 36mAlaska Airlines

Sun 12/87:59 pmAUS - STL

2 stops20h 35mAlaska Airlines

Deal found 12/4

$1,248

Tue 12/104:26 pmSTL - AUS

1 stop25h 00mMultiple Airlines

Wed 12/117:29 pmAUS - STL

1 stop24h 05mMultiple Airlines

Deal found 12/4

$498

Tue 12/1010:55 amSTL - AUS

1 stop3h 30mSouthwest

Wed 12/116:15 amAUS - STL

Nonstop2h 05mSouthwest

Deal found 12/4

$620

Tue 12/104:26 pmSTL - AUS

2 stops18h 51mSpirit Airlines

Wed 12/111:30 pmAUS - STL

2 stops25h 51mSpirit Airlines

Deal found 12/4

$898

Fri 12/136:46 pmSTL - AUS

1 stop21h 41mFrontier

Sun 12/158:23 pmAUS - STL

1 stop11h 50mFrontier

Deal found 12/5

$278

Fri 12/136:15 amSTL - AUS

1 stop4h 53mUnited Airlines

Sun 12/155:15 amAUS - STL

2 stops9h 10mUnited Airlines

Deal found 12/5

$543

Wed 12/2511:36 amSTL - AUS

1 stop4h 17mAmerican Airlines

Mon 12/305:52 pmAUS - STL

1 stop4h 29mAmerican Airlines

Deal found 12/4

$290

Thu 1/98:00 amSTL - AUS

1 stop8h 09mUnited Airlines

Sun 1/129:44 amAUS - STL

1 stop5h 54mUnited Airlines

Deal found 12/4

$266

Fri 1/248:31 pmSTL - AUS

1 stop18h 34mMultiple Airlines

Mon 1/277:40 pmAUS - STL

1 stop19h 03mMultiple Airlines

Deal found 12/4

$206

Fri 1/242:45 pmSTL - AUS

Nonstop2h 15mSouthwest

Mon 1/272:20 pmAUS - STL

1 stop5h 00mSouthwest

Deal found 12/4

$267

Sun 1/268:31 pmSTL - AUS

1 stop24h 12mFrontier

Sun 2/28:26 pmAUS - STL

1 stop12h 50mFrontier

Deal found 12/4

$138

One-way flights from St. Louis to Austin
Search for one-way flight options from St. Louis to Austin. Find affordable one-way fares based on user searches. Data last updated December 5, 2024.

Mon 1/136:46 pmSTL - AUS

1 stop20h 23mFrontier

Deal found 12/4

$65

Tue 1/2111:05 amSTL - AUS

Nonstop2h 15mSouthwest

Deal found 12/5

$100

Tue 1/712:00 pmSTL - AUS

1 stop8h 23mDelta

Deal found 12/4

$109

Wed 1/299:44 amSTL - AUS

2 stops7h 59mUnited Airlines

Deal found 12/5

$114

Mon 1/65:21 amSTL - AUS

1 stop3h 55mAmerican Airlines

Deal found 12/5

$123

Sun 2/93:48 pmSTL - AUS

1 stop26h 57mSpirit Airlines

Deal found 12/4

$128

Mon 1/65:00 pmSTL - AUS

3 stops31h 33mMultiple Airlines

Deal found 12/4

$182

Fri 2/213:21 pmSTL - AUS

2 stops26h 57mAlaska Airlines

Deal found 12/5

$202

Find flights from St. Louis to Austin within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Wed 2/5

7:09 pm-7:23 pm

1 stop24h 14m

Austin Bergstrom

Sat 2/8

4:05 pm-7:31 pm

1 stop27h 26m

$138

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Thu 1/30

3:48 pm-6:45 pm

1 stop26h 57m

Austin Bergstrom

Tue 2/4

4:14 pm-9:16 am

1 stop17h 02m

$193

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Thu 1/30

11:05 am-1:20 pm

Nonstop2h 15m

Austin Bergstrom

Tue 2/4

10:55 am-12:55 pm

Nonstop2h 00m

$212

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Sat 1/4

6:00 pm-12:13 am

1 stop6h 13m

Austin Bergstrom

Sat 1/11

7:09 am-2:07 pm

1 stop6h 58m

$244

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Thu 1/9

8:00 am-4:09 pm

1 stop8h 09m

Austin Bergstrom

Sun 1/12

9:44 am-3:38 pm

1 stop5h 54m

$266

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Thu 5/22

6:30 am-11:51 am

1 stop5h 21m

Austin Bergstrom

Mon 5/26

6:00 am-2:16 pm

1 stop8h 16m

$350

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Wed 2/5

2:49 pm-11:05 pm

2 stops32h 16m

Austin Bergstrom

Sat 2/8

9:00 am-1:53 pm

2 stops28h 53m

$465

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Mon 1/13

6:46 pm-3:09 pm

1 stop20h 23m

$65

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Tue 1/21

11:05 am-1:20 pm

Nonstop2h 15m

$100

St. LouisAustin

STL - AUS

STLAUS

Lambert-St Louis

Tue 1/7

12:00 pm-8:23 pm

1 stop8h 23m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 15 results

Compare providers for flights from St. Louis to Austin

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

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
Flightnetwork	Price Accuracy-	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*2 stars
Gotogate	Price Accuracy2 stars	Trust Score*2 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 St. Louis-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Austin flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Austin 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 St. Louis-Austin 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 St. Louis to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from St. Louis 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 St. Louis to Austin

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

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

The price you pay for your flight from St. Louis to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 36 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 St. Louis to Austin?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Austin (average of $286). Flying from St. Louis to Austin in March is currently the most expensive (average of $362). 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 STL to 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 evening, which can drop the price by up to 14% versus a flight at noon.

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

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

Rainfall in Austin by month

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

If weather is an important factor for your trip to Austin, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Austin

Get a feel of what it's like to fly with Southwest, Frontier and United Airlines from St. Louis to Austin by reading reviews from past customers. 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

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest

8.1

Very good

4,934 reviews

Southwest

8.1

Very good

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines

8.0

Very good

9,519 reviews

Southwest

8.1

Very good

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta

8.0

Very good

8,682 reviews

Southwest

8.1

Very good

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines

7.4

Good

9,134 reviews

Southwest

8.1

Very good

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,934 reviews

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

$65+ Cheap flights from St. Louis to Austin (STL - AUS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Austin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Lambert-St Louis to Austin Bergstrom are usually found in January or June, booked 36 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from St. Louis to Austin

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Round-trip from

One-way from

Find flight deals from St. Louis to Austin

Cheapest flights from St. Louis to AustinExplore the most affordable flight options available from St. Louis to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2024.

Explore the most affordable flight options available from St. Louis to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2024.

Find flights from St. Louis to Austin within your budget

Compare providers for flights from St. Louis to Austin

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 St. Louis to Austin in December.

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

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

Travel insights for flights from St. Louis to Austin

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Austin. Price data was last updated on November 22, 2024.

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

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

Find hourly flight availability from St. Louis to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2024.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Austin. Price data was last updated on December 1, 2024.

Rainfall in Austin by month

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

Temperature in Austin by month

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

Reviews of airlines servicing Austin

Get a feel of what it's like to fly with Southwest, Frontier and United Airlines from St. Louis to Austin by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cheapest flights from St. Louis to Austin
Explore the most affordable flight options available from St. Louis to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2024.