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Cheap flights from Austin to St. Louis (AUS - STL) from $55

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
AUS — STL
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
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The best prices from Austin Bergstrom to Lambert-St Louis are usually found in December or April, booked 26 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Austin to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 23, 2024.

Popular in

March

Cheapest in

December

Round-trip from

$323

One-way from

$165
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Austin Bergstrom to Lambert-St Louis
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One-way flight from Austin Bergstrom to Lambert-St Louis
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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 Sunday 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 106% on this flight, we recommend booking at least 27 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 $324 1-2 weeks out and tickets from $403 for flights departing within the next 72 hours.

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

December can be a great time to fly to St. Louis from Austin with a flight ticket averaging about $280. Cheapflights users have found deals in the month of December for as cheap as $110. The most expensive prices can be found in the month of March.

When is the cheapest time to fly from Austin to St. Louis (AUS - 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 25% on airfare.

Cheap Delta flights from Austin to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Austin and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Peruse some of the lowest-priced Delta flights we've found from Austin to St. Louis. Make sure to double check the flight details before booking.
Thu 7/1810:40 amAUS - STL
1 stop5h 40mDelta
Sun 7/215:25 pmSTL - AUS
1 stop6h 57mDelta
Deal found 4/23$267
Sat 7/68:22 amAUS - STL
1 stop7h 58mDelta
Sun 7/75:25 pmSTL - AUS
1 stop5h 27mDelta
Deal found 4/22$339
Thu 5/23:40 pmAUS - STL
1 stop5h 43mDelta
Sat 5/44:45 pmSTL - AUS
1 stop6h 14mDelta
Deal found 4/21$388
Thu 5/26:33 pmAUS - STL
1 stop5h 13mDelta
Sat 5/46:30 amSTL - AUS
1 stop8h 35mDelta
Deal found 4/22$418

  • One of the most popular airlines traveling from Austin to St. Louis is Delta. Flights from Delta traveling this route typically cost $311.96 RT. This price is typically 86% cheaper than other airlines that offer Austin to St. Louis flights. When booking this route, the cheapest RT price found was $133. Austin Bergstrom Airport is the most common Austin airport to take off from when flying to St. Louis. Lambert-St Louis Airport is the most popular arrival airport in St. Louis. When flying from Austin to St. Louis, Delta flights are 9% more popular than any other airline flying that same route.

Cheap Frontier flights from Austin to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Austin and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Some of the lowest-priced Frontier flights we've found at this time heading from Austin to St. Louis. Deals are refreshing constantly so come back soon for more options.
Thu 5/910:54 pmAUS - STL
1 stop11h 24mFrontier
Tue 5/144:50 pmSTL - AUS
1 stop15h 26mFrontier
Deal found 4/22$97
Mon 5/610:58 pmAUS - STL
1 stop11h 20mFrontier
Fri 5/105:35 pmSTL - AUS
1 stop14h 46mFrontier
Deal found 4/22$124
Tue 5/219:16 amAUS - STL
1 stop24h 20mFrontier
Tue 5/2810:44 pmSTL - AUS
1 stop20h 04mFrontier
Deal found 4/21$127
Fri 5/1010:40 pmAUS - STL
1 stop11h 38mFrontier
Mon 5/138:04 pmSTL - AUS
1 stop18h 51mFrontier
Deal found 4/23$135
Thu 5/1610:17 pmAUS - STL
1 stop11h 56mFrontier
Sun 5/1911:22 pmSTL - AUS
1 stop8h 54mFrontier
Deal found 4/22$148
Tue 5/73:55 pmAUS - STL
1 stop17h 52mFrontier
Sat 5/117:51 pmSTL - AUS
1 stop26h 02mFrontier
Deal found 4/23$152
Thu 5/910:54 pmAUS - STL
1 stop11h 24mFrontier
Sun 5/1210:59 pmSTL - AUS
1 stop23h 09mFrontier
Deal found 4/22$177
Thu 5/2310:18 pmAUS - STL
1 stop11h 55mFrontier
Thu 5/3011:06 pmSTL - AUS
1 stop9h 10mFrontier
Deal found 4/22$178
Wed 5/19:06 amAUS - STL
1 stop25h 32mFrontier
Sat 5/48:04 pmSTL - AUS
1 stop14h 00mFrontier
Deal found 4/23$182

  • One of the most popular airlines traveling from Austin to St. Louis is Frontier. Flights from Frontier traveling this route typically cost $313.40 RT. This price is typically 31% cheaper than other airlines that offer Austin to St. Louis flights. When booking this route, the cheapest RT price found was $190. Austin Bergstrom Airport is the most common Austin airport to take off from when flying to St. Louis. Lambert-St Louis Airport is the most popular arrival airport in St. Louis. When flying from Austin to St. Louis, Frontier flights are -1% more popular than any other airline flying that same route.

Cheap Austin to St. Louis flights in April & May 2024

Find cheap flight options from Austin to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
These are some of the most attractive deals on flights from Austin to St. Louis in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 5/910:54 pmAUS - STL
1 stop11h 24mFrontier
Tue 5/144:50 pmSTL - AUS
1 stop15h 26mFrontier
Deal found 4/22$97
Mon 5/610:58 pmAUS - STL
1 stop11h 20mFrontier
Fri 5/105:35 pmSTL - AUS
1 stop14h 46mFrontier
Deal found 4/22$124
Tue 5/219:16 amAUS - STL
1 stop24h 20mFrontier
Tue 5/2810:44 pmSTL - AUS
1 stop20h 04mFrontier
Deal found 4/21$127
Fri 5/1010:40 pmAUS - STL
1 stop11h 38mFrontier
Mon 5/138:04 pmSTL - AUS
1 stop18h 51mFrontier
Deal found 4/23$135
Thu 5/1610:17 pmAUS - STL
1 stop11h 56mFrontier
Sun 5/1911:22 pmSTL - AUS
1 stop8h 54mFrontier
Deal found 4/22$148
Tue 5/73:55 pmAUS - STL
1 stop17h 52mFrontier
Sat 5/117:51 pmSTL - AUS
1 stop26h 02mFrontier
Deal found 4/23$152
Wed 5/89:06 amAUS - STL
1 stop25h 32mMultiple Airlines
Thu 5/167:30 pmSTL - AUS
1 stop15h 41mMultiple Airlines
Deal found 4/23$170
Thu 5/910:54 pmAUS - STL
1 stop11h 24mFrontier
Sun 5/1210:59 pmSTL - AUS
1 stop23h 09mFrontier
Deal found 4/22$177
Thu 5/2310:18 pmAUS - STL
1 stop11h 55mFrontier
Thu 5/3011:06 pmSTL - AUS
1 stop9h 10mFrontier
Deal found 4/22$178

Austin to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Austin and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
These are some of the most attractive deals on flights from Austin to St. Louis in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 5/910:54 pmAUS - STL
1 stop11h 24mFrontier
Tue 5/144:50 pmSTL - AUS
1 stop15h 26mFrontier
Deal found 4/22$97
Mon 5/610:58 pmAUS - STL
1 stop11h 20mFrontier
Fri 5/105:35 pmSTL - AUS
1 stop14h 46mFrontier
Deal found 4/22$124
Tue 5/219:16 amAUS - STL
1 stop24h 20mFrontier
Tue 5/2810:44 pmSTL - AUS
1 stop20h 04mFrontier
Deal found 4/21$127
Fri 5/1010:40 pmAUS - STL
1 stop11h 38mFrontier
Mon 5/138:04 pmSTL - AUS
1 stop18h 51mFrontier
Deal found 4/23$135
Thu 5/1610:17 pmAUS - STL
1 stop11h 56mFrontier
Sun 5/1911:22 pmSTL - AUS
1 stop8h 54mFrontier
Deal found 4/22$148
Tue 5/73:55 pmAUS - STL
1 stop17h 52mFrontier
Sat 5/117:51 pmSTL - AUS
1 stop26h 02mFrontier
Deal found 4/23$152
Sat 9/217:18 pmAUS - STL
1 stop15h 00mFrontier
Mon 9/237:29 pmSTL - AUS
1 stop22h 59mFrontier
Deal found 4/23$155
Thu 8/157:18 pmAUS - STL
1 stop15h 00mFrontier
Sun 8/187:29 pmSTL - AUS
1 stop22h 59mFrontier
Deal found 4/23$158
Wed 5/89:06 amAUS - STL
1 stop25h 32mMultiple Airlines
Thu 5/167:30 pmSTL - AUS
1 stop15h 41mMultiple Airlines
Deal found 4/23$170

Austin to St. Louis flights leaving soon

Find last-minute flight options from Austin to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Consider one of these great deals we found on last-minute flights from Austin to St. Louis. It's wise to confirm all flight details are correct before booking.
Wed 5/19:06 amAUS - STL
1 stop25h 32mFrontier
Sat 5/48:04 pmSTL - AUS
1 stop14h 00mFrontier
Deal found 4/23$182
Wed 5/19:06 amAUS - STL
1 stop25h 32mFrontier
Sun 5/53:29 pmSTL - AUS
1 stop16h 52mFrontier
Deal found 4/23$197
Fri 5/310:40 pmAUS - STL
1 stop11h 38mFrontier
Sun 5/53:29 pmSTL - AUS
1 stop16h 52mFrontier
Deal found 4/22$207
Fri 5/310:40 pmAUS - STL
1 stop11h 38mFrontier
Sun 5/53:29 pmSTL - AUS
1 stop16h 52mFrontier
Deal found 4/22$208
Tue 4/303:55 pmAUS - STL
1 stop17h 52mFrontier
Sun 5/53:29 pmSTL - AUS
1 stop16h 52mFrontier
Deal found 4/23$227
Mon 4/2910:58 pmAUS - STL
1 stop23h 01mFrontier
Mon 5/68:04 pmSTL - AUS
1 stop18h 51mFrontier
Deal found 4/23$228
Tue 4/304:49 pmAUS - STL
1 stop17h 54mSpirit Airlines
Sun 5/57:30 pmSTL - AUS
2 stops23h 46mSpirit Airlines
Deal found 4/23$350
Thu 5/23:40 pmAUS - STL
1 stop5h 43mDelta
Sat 5/44:45 pmSTL - AUS
1 stop6h 14mDelta
Deal found 4/21$388
Thu 5/26:33 pmAUS - STL
1 stop5h 13mDelta
Sat 5/46:30 amSTL - AUS
1 stop8h 35mDelta
Deal found 4/22$418

One-way flights to St. Louis from Austin

Search for one-way flight options from Austin to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Users in need of a one-way flight from Austin to St. Louis can choose from these deals. Those seeking round-trip flights from Austin to St. Louis should utilize the search form at the the top of the page.
Mon 5/610:58 pmAUS - STL
1 stop11h 20mFrontier
Deal found 4/22$55
Tue 5/73:55 pmAUS - STL
1 stop17h 52mFrontier
Deal found 4/22$85
Wed 5/297:48 pmAUS - STL
1 stop26h 18mFrontier
Deal found 4/22$90
Thu 5/210:54 pmAUS - STL
1 stop11h 24mFrontier
Deal found 4/22$95
Wed 5/226:15 amAUS - STL
1 stop6h 55mAmerican Airlines
Deal found 4/22$97
Thu 5/3010:18 pmAUS - STL
1 stop11h 55mFrontier
Deal found 4/22$104
Fri 5/310:40 pmAUS - STL
1 stop11h 38mFrontier
Deal found 4/22$105
Fri 5/317:12 pmAUS - STL
1 stop15h 01mFrontier
Deal found 4/21$108
Sat 5/255:00 amAUS - STL
1 stop5h 28mAmerican Airlines
Deal found 4/23$113

Find flights from Austin to St. Louis within your budget

Customize your flight search to find flights from Austin to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$97 - $267

Route

Depart

Return

Price

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Thu 5/9

1 stop11h 24m

Lambert-St Louis

Tue 5/14

1 stop15h 26m

$97

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Mon 5/6

1 stop11h 20m

Lambert-St Louis

Fri 5/10

1 stop14h 46m

$124

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Tue 5/21

1 stop24h 20m

Lambert-St Louis

Tue 5/28

1 stop20h 04m

$127

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Fri 5/10

1 stop11h 38m

Lambert-St Louis

Mon 5/13

1 stop18h 51m

$135

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Wed 5/8

1 stop25h 32m

Lambert-St Louis

Thu 5/16

1 stop15h 41m

$170

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Wed 5/22

1 stop26h 05m

Lambert-St Louis

Wed 5/29

1 stop12h 12m

$187

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Tue 5/21

1 stop17h 57m

Lambert-St Louis

Tue 5/28

2 stops17h 31m

$221

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Sat 6/1

1 stop5h 28m

Lambert-St Louis

Sun 6/30

1 stop5h 22m

$233

Austin BergstromLambert-St Louis

AUS - STL

AUSSTL

Austin Bergstrom

Thu 7/18

1 stop5h 40m

Lambert-St Louis

Sun 7/21

1 stop6h 57m

$267

Flights are sorted by cheapest first

Deals found on 4/22

When is the best time to 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 January 28, 2024.
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 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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When is the cheapest time 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 April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Austin to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Austin to St. Louis is currently $95 while a round-trip flight costs $173. Price data was last updated on April 14, 2024.

Currently, October is the cheapest month in which you can book a flight from Austin to St. Louis (average of $323). Flying from Austin to St. Louis in July is currently the most expensive (average of $376). 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.

January

$326

February

$331

March

$357

April

$339

May

$352

June

$374

July

$376

August

$336

September

$324

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 23, 2024.
Peruse reviews from past customers who have flown with Delta, Frontier and Spirit Airlines 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.
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,111 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
11,028 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,272 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,914 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Spirit Airlines
6.4
Okay
8,761 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Crew

8.6

Entertainment

7.3

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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?

    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 6h 21m for a nonstop flight. There are 6 flights from Austin Bergstrom to St. Louis per day from 5 airlines.

  • Can I find flights from Austin to St. Louis for under $100 on Cheapflights?

    Yes, there are multiple flights from Austin to St. Louis for under $100. The cheapest flight booked recently is on Frontier for just $97, but on average you can expect to pay $182.

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

    There are currently 20+ open flights from Austin to St. Louis within the next 7 days for less than $200.

  • 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 $97 on this airline. Additional options worth looking into are Spirit Airlines and American Airlines, starting at $221 and $233 round-trip. You may be able to fly from Austin to St. Louis for 65% less than the average price by searching for these airlines.

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

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Spirit Airlines, with prices starting from $97 and $124, respectively.

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

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

  • What does AUS to STL mean?

    This is defined as Austin Bergstrom Airport (AUS) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Austin to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Austin to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Austin to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Austin to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Austin to St. Louis that allow pets onboard?

    Many airlines flying from Austin to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Austin to St. Louis?

    Yes, you can often find last-minute deals on Austin to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Austin to St. Louis flight deals updated?

    The Austin to St. Louis flight deals you see on this page were last updated on 4/23.

See more FAQs

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Top 5 airlines flying from Austin to St. Louis

Discover the top 5 airlines that operate flights from Austin to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$198FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest$133Average$312FlexibilityNo cancel feeOn-time75%
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United AirlinesCheapest$177Average$368FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$178Average$253FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$190Average$313FlexibilityNo cancel feeOn-time71%
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Search flights from Austin to St. Louis by cabin class

Find flights from Austin to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Austin to St. Louis

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 April 23, 2024.
27%of flight departuresEarly morningMidnight to 6 am
13%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
20%of flight departuresEvening6 pm to midnight
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6 AM
Noon
6 PM

Weekly flight availability from Austin to St. Louis

Explore weekly flight availability from Austin to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 23, 2024.
Sunday7daily flights
Monday7daily flights
Tuesday6daily flights
Wednesday6daily flights
Thursday7daily flights
Friday7daily flights
Saturday3daily flights

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How does Cheapflights help users find flights from Austin to St. Louis?

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Cheapflights helps you find that perfect flight to St. Louis from Austin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Austin to St. Louis with no change fees?

Certainly. Search results for flights to St. Louis from Austin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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