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Cheap flights from St. Louis to Austin from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Austin departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Austin

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Austin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Austin.

Cheap last minute flights

Planning a quick getaway from St. Louis to Austin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Austin, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Austin

Find recent round-trip train or bus tickets from St. Louis to Austin.

All round-trip flight deals to Austin

The cheapest plane tickets to Austin found on KAYAK recently.
7:09 pm - 7:23 pmSTL-AUS
24h 14m1 stop
4:05 pm - 7:31 pmAUS-STL
27h 26m1 stop
$138Frontier
Find Deal
Wed, Feb 5 - Sat, Feb 8
8:34 pm - 8:49 pmSTL-AUS
24h 15m1 stop
4:14 pm - 9:06 amAUS-STL
16h 52m1 stop
$142Frontier
Find Deal
Sun, Jan 12 - Tue, Jan 14
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$224Southwest
Find Deal
Tue, Dec 24 - Wed, Jan 1
6:04 am - 12:12 pmSTL-AUS
6h 08m1 stop
5:30 am - 11:47 amAUS-STL
6h 17m1 stop
$242Delta
Find Deal
Thu, Dec 19 - Mon, Jan 6
6:00 am - 12:30 pmSTL-AUS
6h 30m1 stop
6:49 am - 12:03 pmAUS-STL
5h 14m1 stop
$243Delta
Find Deal
Sat, Dec 14 - Mon, Dec 16
6:00 am - 11:03 amSTL-AUS
5h 03m1 stop
5:15 am - 2:24 pmAUS-STL
9h 09m2 stops
$247United Airlines
Find Deal
Tue, Dec 24 - Wed, Jan 1
4:30 pm - 11:00 pmSTL-AUS
6h 30m1 stop
7:00 am - 2:36 pmAUS-STL
7h 36m1 stop
$261United Airlines
Find Deal
Mon, Feb 17 - Fri, Feb 21
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
9:35 am - 1:15 pmAUS-STL
3h 40m1 stop
$267Southwest
Find Deal
Tue, Dec 24 - Wed, Jan 1
5:05 am - 9:39 amSTL-AUS
4h 34m1 stop
7:58 am - 3:30 pmAUS-STL
7h 32m1 stop
$300American Airlines
Find Deal
Sun, Dec 8 - Fri, Dec 13
5:21 am - 9:18 amSTL-AUS
3h 57m1 stop
6:00 am - 10:45 amAUS-STL
4h 45m1 stop
$317American Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23
6:46 pm - 3:09 pmSTL-AUS
20h 23m1 stop
$65Frontier
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Mon, Jan 13
6:26 pm - 4:21 pmSTL-AUS
21h 55m1 stop
$69Frontier
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Tue, Mar 4
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
$112Southwest
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Tue, Dec 24
7:07 pm - 12:35 amSTL-AUS
5h 28m1 stop
$121Delta
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Thu, Jan 23
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
$122Southwest
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Thu, Dec 12
6:30 am - 3:26 pmSTL-AUS
8h 56m2 stops
$126United Airlines
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Thu, Jan 9
6:00 am - 11:58 amSTL-AUS
5h 58m1 stop
$131Delta
Find Deal
Sun, Jan 19
9:44 am - 5:43 pmSTL-AUS
7h 59m2 stops
$138United Airlines
Find Deal
Wed, Feb 12
2:15 pm - 8:21 pmSTL-AUS
6h 06m1 stop
$169American Airlines
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Thu, Mar 6
12:49 pm - 5:33 pmSTL-AUS
4h 44m1 stop
$234American Airlines
Find Deal
Mon, Dec 2
5:38 pm - 9:58 pmSTL-AUS
28h 20m1 stop
8:23 pm - 8:13 amAUS-STL
11h 50m1 stop
$294Frontier
Find Deal
Sun, Nov 24 - Sun, Dec 8
5:38 pm - 9:58 pmSTL-AUS
28h 20m1 stop
5:11 pm - 8:13 amAUS-STL
15h 02m1 stop
$306Frontier
Find Deal
Sun, Nov 24 - Fri, Dec 13
5:21 pm - 9:19 amSTL-AUS
15h 58m1 stop
8:23 pm - 8:13 amAUS-STL
11h 50m1 stop
Sat, Nov 23 - Sun, Dec 8
9:40 am - 1:05 pmSTL-AUS
3h 25m1 stop
5:45 am - 7:45 amAUS-STL
2h 00mnonstop
$487Southwest
Find Deal
Sat, Nov 23 - Sat, Dec 14
5:00 pm - 7:10 pmSTL-AUS
2h 10mnonstop
5:45 am - 7:45 amAUS-STL
2h 00mnonstop
$492Southwest
Find Deal
Sat, Nov 23 - Sat, Dec 14
6:15 am - 11:08 amSTL-AUS
4h 53m1 stop
5:15 am - 9:47 amAUS-STL
4h 32m1 stop
$535United Airlines
Find Deal
Mon, Nov 25 - Thu, Dec 12
6:30 am - 11:51 amSTL-AUS
5h 21m1 stop
7:15 am - 3:34 pmAUS-STL
8h 19m2 stops
$540United Airlines
Find Deal
Sat, Nov 23 - Sat, Dec 14
3:21 pm - 11:02 pmSTL-AUS
7h 41m1 stop
5:20 am - 12:03 pmAUS-STL
6h 43m1 stop
$615Delta
Find Deal
Sat, Nov 23 - Tue, Dec 17
3:21 pm - 11:02 pmSTL-AUS
7h 41m1 stop
4:53 pm - 9:55 pmAUS-STL
5h 02m1 stop
$623Delta
Find Deal
Sun, Nov 24 - Mon, Dec 2
12:49 pm - 4:48 pmSTL-AUS
3h 59m1 stop
5:01 am - 8:54 amAUS-STL
3h 53m1 stop
$698American Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 1
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$224Southwest
Find Deal
Tue, Dec 24 - Wed, Jan 1
10:45 pm - 1:00 amSTL-AUS
2h 15mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$278Southwest
Find Deal
Sat, Dec 21 - Wed, Dec 25
7:00 am - 9:15 amSTL-AUS
2h 15mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$292Southwest
Find Deal
Sat, Dec 7 - Wed, Dec 11
10:25 pm - 12:40 amSTL-AUS
2h 15mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$301Southwest
Find Deal
Fri, Dec 13 - Mon, Dec 16
7:00 am - 9:15 amSTL-AUS
2h 15mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$302Southwest
Find Deal
Sat, Dec 7 - Mon, Dec 16
10:25 pm - 12:40 amSTL-AUS
2h 15mnonstop
5:10 am - 7:15 amAUS-STL
2h 05mnonstop
$316Southwest
Find Deal
Fri, Dec 13 - Sun, Dec 15
8:20 pm - 10:30 pmSTL-AUS
2h 10mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$319Southwest
Find Deal
Fri, Dec 6 - Mon, Dec 16
10:25 pm - 12:40 amSTL-AUS
2h 15mnonstop
6:15 am - 8:20 amAUS-STL
2h 05mnonstop
$330Southwest
Find Deal
Sun, Dec 8 - Mon, Dec 16
10:45 pm - 1:00 amSTL-AUS
2h 15mnonstop
5:05 am - 7:05 amAUS-STL
2h 00mnonstop
$332Southwest
Find Deal
Sat, Dec 21 - Thu, Dec 26
10:25 pm - 12:40 amSTL-AUS
2h 15mnonstop
6:40 am - 8:40 amAUS-STL
2h 00mnonstop
$336Southwest
Find Deal
Sun, Dec 15 - Sun, Jan 12

American Airlines flights from St. Louis to Austin

Our best American Airlines deals on St. Louis to Austin flight tickets
American Airlines
Dec 8
STL5:05 amLambert-St Louis
4h 34m
1 stop
AUS9:39 amAustin Bergstrom
Dec 13
AUS7:58 amAustin Bergstrom
7h 32m
1 stop
STL3:30 pmLambert-St Louis
American Airlines
Dec 19
STL5:21 amLambert-St Louis
3h 57m
1 stop
AUS9:18 amAustin Bergstrom
Dec 23
AUS6:00 amAustin Bergstrom
4h 45m
1 stop
STL10:45 amLambert-St Louis
American Airlines
Dec 26
STL5:21 amLambert-St Louis
3h 55m
1 stop
AUS9:16 amAustin Bergstrom
Dec 30
AUS5:45 amAustin Bergstrom
5h 27m
1 stop
STL11:12 amLambert-St Louis

Frontier flights from St. Louis to Austin

Our best Frontier deals on St. Louis to Austin flight tickets
Frontier
Feb 5
STL7:09 pmLambert-St Louis
24h 14m
1 stop
AUS7:23 pmAustin Bergstrom
Feb 8
AUS4:05 pmAustin Bergstrom
27h 26m
1 stop
STL7:31 pmLambert-St Louis
Frontier
Jan 12
STL8:34 pmLambert-St Louis
24h 15m
1 stop
AUS8:49 pmAustin Bergstrom
Jan 14
AUS4:14 pmAustin Bergstrom
16h 52m
1 stop
STL9:06 amLambert-St Louis
Frontier
Jan 18
STL7:09 pmLambert-St Louis
24h 17m
1 stop
AUS7:26 pmAustin Bergstrom
Jan 26
AUS8:26 pmAustin Bergstrom
12h 50m
1 stop
STL9:16 amLambert-St Louis

See travel insights to Austin from

How to get the cheapest flight ticket from St. Louis to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Austin?

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from St. Louis is in January. Flight prices, which tend to average around $243, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then June is your next best option. Flight prices from St. Louis to Austin during June average around $280.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $268. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Austin for around $352.

What is the cheapest time of day to depart on your flight to Austin?

At noon is the cheapest time of day to fly from St. Louis to Austin when you can find flight prices for as low as $302. Flying to Austin at noon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the morning, with an average ticket price of $312. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Austin Bergstrom flight route?

Fly from Lambert-St Louis to Austin Bergstrom for the best Lambert-St Louis - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

We recommend purchasing flights from St. Louis to Austin 36 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Austin for $310. Keep in mind that you might be able to find cheaper flights to Austin at any time. In fact, our users found flights for as low as $191 in the past 72 hours.

What cabin class options are available on Lambert-St Louis to Austin Bergstrom flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Austin flights?

You could potentially save up to 41% on your flight if you consider stops on a St. Louis to Austin flight.

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

As of November 2024, prices for St. Louis to Austin flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Austin (STL to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Austin

Best Price Found

$65

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from St. Louis in the past 72 hours is $65. The best round-trip flight deal from St. Louis to Austin found on momondo in the last 72 hours is $138.
The fastest flight from St. Louis to Austin takes 2h 10m
Direct flights go from St. Louis to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)

  • How far is Lambert-St Louis to Austin Bergstrom by plane?

    The straight-line distance from Lambert-St Louis to Austin Bergstrom is 718.3 mi. Flights usually cover this in 2h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Austin Bergstrom Airport?

    Prices for flights from Lambert-St Louis Airport to Austin Bergstrom Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from St. Louis to Austin?

  • What is the most popular airline from St. Louis to Austin?


Best airlines flying from St. Louis to Austin

Compare and see reviews for airlines that fly from St. Louis to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
DeltaPriceFrom $197Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom $214Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $249Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Austin

    Southwest flight deals from St. Louis to Austin start from $249 round-trip. Over the 16 Southwest flights for this route in a normal week, average airfare is usually $333 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Austin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Austin from St. Louis.

Can I find flights from St. Louis to Austin with flexible booking policies on momondo?

momondo does allow users to show only those flights to Austin from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Austin?

momondo helps you find the best flight between St. Louis and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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