$80+ Cheap flights from Austin to St. Louis (AUS - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — STL
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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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.Cheapflights Tip: The best prices from Austin Bergstrom to Lambert-St Louis are usually found in October or May, booked 48 days in advance, depart on a Friday or Tuesday and return on a Saturday
Cheap flight deals from Austin to St. Louis
Cheapest
Best
Last-minute
One-way
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 September 9, 2026.
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 September 9, 2026.
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:32 pm -
1 stop19h 45m
Mon 10/55:19 pm -
1 stop16h 44m
Deal found 9/9![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:08 pm -
1 stop5h 32m
Fri 10/306:44 pm -
1 stop18h 16m
Deal found 9/9![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:15 am -
Nonstop2h 05m
Mon 10/59:45 pm -
Nonstop2h 10m
Deal found 9/9![Southwest logo]()
$217
This Expedia deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:59 pm -
1 stop17h 21m
Mon 11/235:59 pm -
1 stop26h 18m
Deal found 9/7![Frontier logo]()
$230
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:35 pm -
2 stops6h 40m
Tue 10/132:25 pm -
Nonstop2h 05m
Deal found 9/8![Southwest logo]()
$232
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:08 pm -
1 stop5h 32m
Sun 10/184:30 pm -
1 stop17h 27m
Deal found 9/5![Frontier logo]()
$233
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 am -
1 stop5h 23m
Sat 10/33:12 pm -
1 stop4h 45m
Deal found 9/9![United Airlines logo]()
$237
This Frontier deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:07 pm -
1 stop11h 40m
Mon 12/142:59 pm -
1 stop9h 04m
Deal found 9/6![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:21 pm -
1 stop22h 36m
Mon 10/121:30 pm -
1 stop22h 47m
Deal found 9/7![Frontier logo]()
$240
Best flights from Austin to St. LouisDiscover 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 September 9, 2026.
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 September 9, 2026.
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 am -
Nonstop2h 05m
Mon 10/269:45 pm -
Nonstop2h 10m
Deal found 9/8![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:38 pm -
1 stop5h 49m
Sun 9/275:43 am -
1 stop4h 03m
Deal found 9/4![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 am -
1 stop5h 23m
Mon 10/55:36 pm -
1 stop5h 22m
Deal found 9/8![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:20 am -
1 stop5h 45m
Mon 11/239:50 pm -
Nonstop2h 05m
Deal found 9/7![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:20 pm -
2 stops6h 00m
Mon 11/99:50 pm -
Nonstop2h 05m
Deal found 9/6![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:35 pm -
1 stop4h 55m
Wed 1/68:05 am -
2 stops9h 14m
Deal found 9/8![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:45 am -
2 stops7h 20m
Sat 10/104:20 pm -
1 stop4h 15m
Deal found 9/5![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:35 am -
Nonstop2h 00m
Mon 11/306:25 pm -
1 stop6h 15m
Deal found 9/6![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:25 am -
Nonstop2h 05m
Fri 9/258:45 pm -
Nonstop2h 05m
Deal found 9/6![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:00 am -
Nonstop2h 05m
Mon 9/218:45 pm -
Nonstop2h 05m
Deal found 9/5![Southwest logo]()
$387
Last-minute flights from Austin to St. LouisDiscover last-minute flight deals from Austin to St. Louis. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to St. Louis. Data last updated September 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 am -
1 stop5h 23m
Sat 10/33:12 pm -
1 stop4h 45m
Deal found 9/9![United Airlines logo]()
$237
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:32 pm -
1 stop19h 45m
Mon 10/55:19 pm -
1 stop16h 44m
Deal found 9/9![Frontier logo]()
$180
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:15 am -
Nonstop2h 05m
Mon 10/59:45 pm -
Nonstop2h 10m
Deal found 9/9![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:35 pm -
2 stops6h 40m
Tue 10/132:25 pm -
Nonstop2h 05m
Deal found 9/8![Southwest logo]()
$232
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:21 pm -
1 stop22h 36m
Mon 10/121:30 pm -
1 stop22h 47m
Deal found 9/7![Frontier logo]()
$240
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:50 pm -
1 stop4h 50m
Mon 10/129:45 pm -
Nonstop2h 10m
Deal found 9/8![Southwest logo]()
$247
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:08 pm -
1 stop5h 32m
Sun 10/184:30 pm -
1 stop17h 27m
Deal found 9/5![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:08 pm -
1 stop5h 32m
Fri 10/306:44 pm -
1 stop18h 16m
Deal found 9/9![Frontier logo]()
$184
One-way flights from Austin to St. LouisSearch for one-way flight options from Austin to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Austin to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:33 pm -
1 stop18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:33 pm -
1 stop18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:43 pm -
1 stop25h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:20 am -
1 stop25h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:52 am -
1 stop12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:20 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$107
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:30 am -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$109
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:37 pm -
1 stop5h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$114
This Frontier deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:20 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$115
Find 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Frontier) |
One-way from | $80 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $358 |
Good round-trip deal | $298 or less |
Good one-way deal | $229 or less |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Austin to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Wed 10/7
12:35 pm-2:40 pm
Nonstop2h 05m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Sat 10/3
3:37 pm-9:21 pm
1 stop5h 44m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Wed 10/7
6:20 am-1:20 pm
1 stop7h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Sat 10/3
8:45 am-4:05 pm
2 stops7h 20m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Tue 9/29
7:30 am-9:35 am
Nonstop2h 05m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
Quickest round-trip
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Thu 11/5
7:35 am-9:35 am
Nonstop2h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Mon 10/5
5:07 pm-11:42 pm
1 stop6h 35m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Thu 10/8
7:50 pm-12:40 am
1 stop4h 50m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Tue 3/2
1:40 pm-8:49 pm
1 stop7h 09m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
AustinSt. Louis
AUS Austin Bergstrom - STL Lambert-St Louis
AUSSTL
Austin Bergstrom
Sun 11/15
7:35 am-9:35 am
Nonstop2h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars |
- 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.
AUS-STL
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.
Cheapflights Insights
Everything you need to know about your flight from Austin to St. Louis
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 47 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, October is the cheapest month in which you can book a flight from Austin to St. Louis (average of $268). Flying from Austin to St. Louis in July is currently the most expensive (average of $392). 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?
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 September 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Austin to St. Louis as you normally would.
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 September 9, 2026.
Read through reviews of airlines operating flights from Austin to St. Louis, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Alternative routes for Austin to St. Louis
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Austin and St. Louis flights
Browse other Austin and St. Louis flight options. Last updated on September 9, 2026.
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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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$248 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$224 | Average$353 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$254 | Average$350 | FlexibilityNo cancel fee | On-time71% |