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Cheap flights from Sioux City to Austin from $394

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Austin departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sioux City to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 pm - 11:41 pm
SUX
-
AUS
5h 11m
1 stop
United Airlines Logo
5:35 am - 10:55 am
AUS
-
SUX
5h 20m
1 stop
$394United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
11:32 am - 6:58 pm
SUX
-
AUS
7h 26m
1 stop
United Airlines Logo
2:10 pm - 11:46 pm
AUS
-
SUX
9h 36m
2 stops
$404United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
11:32 am - 7:56 pm
SUX
-
AUS
8h 24m
2 stops
United Airlines Logo
2:10 pm - 11:46 pm
AUS
-
SUX
9h 36m
2 stops
$409United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
6:30 pm - 11:44 pm
SUX
-
AUS
5h 14m
1 stop
United Airlines Logo
6:29 pm - 11:44 pm
AUS
-
SUX
5h 15m
1 stop
$429United Airlines
Thu, May 21 - Sun, May 24
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
5:39 am - 10:57 am
AUS
-
SUX
5h 18m
1 stop
$438United Airlines
Fri, Jun 12 - Sat, Jun 13
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
5:39 am - 10:57 am
AUS
-
SUX
5h 18m
1 stop
$439United Airlines
Fri, Jun 12 - Sat, Jun 13
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
5:39 am - 10:57 am
AUS
-
SUX
5h 18m
1 stop
$564United Airlines
Thu, May 21 - Sun, May 24
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
2:30 pm - 10:57 am
AUS
-
SUX
20h 27m
2 stops
$616United Airlines
Fri, Jun 12 - Sat, Jun 13
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
2:30 pm - 10:57 am
AUS
-
SUX
20h 27m
2 stops
$617United Airlines
Fri, Jun 12 - Sat, Jun 13
United Airlines Logo
11:32 am - 11:12 pm
SUX
-
AUS
11h 40m
2 stops
United Airlines Logo
4:10 pm - 11:44 pm
AUS
-
SUX
7h 34m
2 stops
$909United Airlines
Thu, May 21 - Sun, May 24

United Airlines flights from Sioux City to Austin

Our best United Airlines deals on Sioux City to Austin flight tickets
United Airlines
Aug 22
SUX6:30 pmSioux City Sioux Gateway
5h 11m
1 stop
AUS11:41 pmAustin Bergstrom
Aug 25
AUS5:35 amAustin Bergstrom
5h 20m
1 stop
SUX10:55 amSioux City Sioux Gateway
$394
United Airlines
Aug 22
SUX11:32 amSioux City Sioux Gateway
7h 26m
1 stop
AUS6:58 pmAustin Bergstrom
Aug 25
AUS2:10 pmAustin Bergstrom
9h 36m
2 stops
SUX11:46 pmSioux City Sioux Gateway
$404
United Airlines
Aug 22
SUX11:32 amSioux City Sioux Gateway
11h 41m
2 stops
AUS11:13 pmAustin Bergstrom
Aug 25
AUS2:10 pmAustin Bergstrom
9h 36m
2 stops
SUX11:46 pmSioux City Sioux Gateway
$409

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Austin 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, momondo users made 832,500 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Sioux City to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 8/22

6:30 pm-11:41 pm

1 stop5h 11m

Austin Bergstrom

Tue 8/25

5:35 am-10:55 am

1 stop5h 20m

$394

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 8/22

11:32 am-6:58 pm

1 stop7h 26m

Austin Bergstrom

Tue 8/25

2:10 pm-11:46 pm

2 stops9h 36m

$404

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 8/22

11:32 am-7:56 pm

2 stops8h 24m

Austin Bergstrom

Tue 8/25

2:10 pm-11:46 pm

2 stops9h 36m

$409
Quickest round-trip

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Thu 5/21

6:30 pm-11:44 pm

1 stop5h 14m

Austin Bergstrom

Sun 5/24

6:29 pm-11:44 pm

1 stop5h 15m

$429

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 6/12

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sat 6/13

5:39 am-10:57 am

1 stop5h 18m

$438

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 6/12

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sat 6/13

5:39 am-10:57 am

1 stop5h 18m

$439

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Thu 5/21

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sun 5/24

5:39 am-10:57 am

1 stop5h 18m

$564

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 6/12

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sat 6/13

2:30 pm-10:57 am

2 stops20h 27m

$616

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 6/12

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sat 6/13

2:30 pm-10:57 am

2 stops20h 27m

$617

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Thu 5/21

11:32 am-11:12 pm

2 stops11h 40m

Austin Bergstrom

Sun 5/24

4:10 pm-11:44 pm

2 stops7h 34m

$909

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Austin from

How to get the cheapest flight ticket from Sioux City 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 airlines fly to Austin?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Austin from Sioux City according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 5 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

When to book flights from Sioux City to Austin

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

Cheap Sioux City to Austin (SUX to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Austin

Fastest flight time

5h 11m

Direct flights

None
The fastest flight from Sioux City to Austin takes 5h 11m
There are no direct flights from Sioux City to Austin. There are no popular flight routes from Sioux City to Austin.
Search flight deals

  • How far is Sioux City Sioux Gateway to Austin Bergstrom by plane?

    The straight-line distance from Sioux City Sioux Gateway to Austin Bergstrom is 847.0 mi. Typically, this will take 5h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Austin Bergstrom Airport?

    Prices for flights from Sioux City Sioux Gateway Airport to Austin Bergstrom Airport refresh daily.

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Austin Bergstrom Airport.

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

    The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Austin?

Finding the right flight to Austin from Sioux City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Austin quick and easy, saving you time and money.

Can I find flights from Sioux City to Austin with flexible booking policies on momondo?

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

How can momondo help me find flights from Sioux City to Austin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sioux City to Austin.

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

If you are not ready to book a flight from Sioux City to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

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