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Cheap flights from Austin to Sioux City from $384

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sioux City departing on 10/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:06 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
5h 37m1 stop Denver Intl
United Airlines Logo
6:58 pm - 11:59 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
5h 01m1 stop Denver Intl
$384United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
7:00 am - 5:53 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
10h 53m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
6:35 pm - 12:12 amSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
5h 37m1 stop Denver Intl
$404United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:01 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
6:43 pm - 11:59 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
5h 16m1 stop Denver Intl
$410United Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
12:12 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
11h 31m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
6:43 pm - 11:59 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
5h 16m1 stop Denver Intl
$420United Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
6:06 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
5h 37m1 stop Denver Intl
United Airlines Logo
6:58 pm - 11:59 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
5h 01m1 stop Denver Intl
$429United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
5:30 am - 10:55 amAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
5h 25m1 stop Denver Intl
United Airlines Logo
6:35 pm - 4:55 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
22h 20m1 stop Denver Intl
$452United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
7:00 am - 5:53 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
10h 53m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
6:35 pm - 9:07 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
26h 32m2 stops Denver Intl Houston George Bush Intcntl
$467United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:06 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
5h 37m1 stop Denver Intl
United Airlines Logo
6:58 pm - 8:37 amSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
13h 39m2 stops Denver Intl Houston George Bush Intcntl
$492United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
2:24 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
9h 19m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
8:10 am - 11:49 amSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
27h 39m1 stop Chicago O'Hare Intl
$508United Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
2:24 pm - 11:43 pmAUS  Austin Bergstrom-SUX Sioux City Sioux Gateway
9h 19m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
8:10 am - 3:26 pmSUX  Sioux City Sioux Gateway-AUS Austin Bergstrom
31h 16m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$513United Airlines
Fri, Aug 28 - Sun, Aug 30

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United Airlines flights from Austin to Sioux City

Our best United Airlines deals on Austin to Sioux City flight tickets
United Airlines
Oct 15
AUS6:06 pmAustin Bergstrom
5h 37m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Oct 18
SUX6:58 pmSioux City Sioux Gateway
5h 01m
1 stop
AUS11:59 pmAustin Bergstrom
$384
United Airlines
Sep 1
AUS7:00 amAustin Bergstrom
10h 53m
2 stops
SUX5:53 pmSioux City Sioux Gateway
Sep 8
SUX6:35 pmSioux City Sioux Gateway
5h 37m
1 stop
AUS12:12 amAustin Bergstrom
$404
United Airlines
Aug 28
AUS6:01 pmAustin Bergstrom
5h 42m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Aug 30
SUX6:43 pmSioux City Sioux Gateway
5h 16m
1 stop
AUS11:59 pmAustin Bergstrom
$410

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Sioux City 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 August 11, 2026.
Use the filters below to find and compare flights from Austin to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Thu 10/15

6:06 pm-11:43 pm

1 stop5h 37m

Sioux City Sioux Gateway

Sun 10/18

6:58 pm-11:59 pm

1 stop5h 01m

$384

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Tue 9/1

7:00 am-5:53 pm

2 stops10h 53m

Sioux City Sioux Gateway

Tue 9/8

6:35 pm-12:12 am

1 stop5h 37m

$404

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Fri 8/28

6:01 pm-11:43 pm

1 stop5h 42m

Sioux City Sioux Gateway

Sun 8/30

6:43 pm-11:59 pm

1 stop5h 16m

$410

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Fri 8/28

12:12 pm-11:43 pm

2 stops11h 31m

Sioux City Sioux Gateway

Sun 8/30

6:43 pm-11:59 pm

1 stop5h 16m

$420

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Thu 10/15

6:06 pm-11:43 pm

1 stop5h 37m

Sioux City Sioux Gateway

Sun 10/18

6:58 pm-11:59 pm

1 stop5h 01m

$429

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Tue 9/1

5:30 am-10:55 am

1 stop5h 25m

Sioux City Sioux Gateway

Tue 9/8

6:35 pm-4:55 pm

1 stop22h 20m

$452

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Tue 9/1

7:00 am-5:53 pm

2 stops10h 53m

Sioux City Sioux Gateway

Tue 9/8

6:35 pm-9:07 pm

2 stops26h 32m

$467

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Thu 10/15

6:06 pm-11:43 pm

1 stop5h 37m

Sioux City Sioux Gateway

Sun 10/18

6:58 pm-8:37 am

2 stops13h 39m

$492

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Fri 8/28

2:24 pm-11:43 pm

2 stops9h 19m

Sioux City Sioux Gateway

Sun 8/30

8:10 am-11:49 am

1 stop27h 39m

$508

AustinSioux City

AUS Austin Bergstrom - SUX Sioux City Sioux Gateway

AUSSUX

Austin Bergstrom

Fri 8/28

2:24 pm-11:43 pm

2 stops9h 19m

Sioux City Sioux Gateway

Sun 8/30

8:10 am-3:26 pm

2 stops31h 16m

$513

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sioux City from

How to get the cheapest flight ticket from Austin to Sioux City

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 Sioux City?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Sioux City from Austin 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 Sioux City. Keep in mind that there are 5 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

When to book flights from Austin to Sioux City

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

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

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

Fastest flight time

5h 22m

Direct flights

None
The fastest flight from Austin to Sioux City takes 5h 22m
There are no direct flights from Austin to Sioux City. There are no popular flight routes from Austin to Sioux City.
Search flight deals

Frequently asked questions about flying from Austin to Sioux City

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

    Austin Bergstrom and Sioux City Sioux Gateway are 847.0 mi apart from one another. Typically, this will take 5h 22m by plane in normal conditions.

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

    Prices for flights from Austin Bergstrom Airport to Sioux City Sioux Gateway Airport were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Sioux City Sioux Gateway Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The required travel and health documents for your Sioux City Sioux Gateway 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 Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Austin to Sioux City?

Best airlines flying from Austin to Sioux City

Compare and see reviews for airlines that fly from Austin to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $233Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

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

Yes. momondo enables you to select and highlight flights to Sioux City from Austin with this policy.

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

momondo provides multiple filters to help you find the best flight to Sioux City from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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