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Cheap flights from Austin to Sioux City from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sioux City departing on 1/6. 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 Austin to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 am - 10:39 amAUS-SUX
5h 09m1 stop
United Airlines Logo
6:00 am - 11:15 amSUX-AUS
5h 15m1 stop
$304United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
5:30 am - 10:39 amAUS-SUX
5h 09m1 stop
United Airlines Logo
12:45 pm - 11:05 pmSUX-AUS
10h 20m2 stops
$314United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
1:10 pm - 6:10 pmAUS-SUX
5h 00m1 stop
United Airlines Logo
7:50 am - 3:22 pmSUX-AUS
7h 32m2 stops
$354United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
5:30 am - 6:10 pmAUS-SUX
12h 40m2 stops
United Airlines Logo
7:50 am - 3:22 pmSUX-AUS
7h 32m2 stops
$409United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
7:00 am - 5:32 pmAUS-SUX
10h 32m2 stops
United Airlines Logo
12:45 pm - 11:05 pmSUX-AUS
10h 20m2 stops
$459United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
7:00 am - 5:32 pmAUS-SUX
10h 32m2 stops
United Airlines Logo
12:45 pm - 11:05 pmSUX-AUS
10h 20m2 stops
$619United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9

United Airlines flights from Austin to Sioux City

Our best United Airlines deals on Austin to Sioux City flight tickets
United Airlines
Mar 5
AUS5:30 amAustin Bergstrom
5h 09m
1 stop
SUX10:39 amSioux City Sioux Gateway
Mar 9
SUX6:00 amSioux City Sioux Gateway
5h 15m
1 stop
AUS11:15 amAustin Bergstrom
$304
Find similar
United Airlines
Mar 5
AUS5:30 amAustin Bergstrom
5h 09m
1 stop
SUX10:39 amSioux City Sioux Gateway
Mar 9
SUX12:45 pmSioux City Sioux Gateway
10h 20m
2 stops
AUS11:05 pmAustin Bergstrom
$314
Find similar
United Airlines
Dec 10
AUS1:10 pmAustin Bergstrom
5h 00m
1 stop
SUX6:10 pmSioux City Sioux Gateway
Dec 17
SUX7:50 amSioux City Sioux Gateway
7h 32m
2 stops
AUS3:22 pmAustin Bergstrom
$354
Find similar

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 November 3, 2025.
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

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Thu 3/5

5:30 am-10:39 am

1 stop5h 09m

Sioux City Sioux Gateway

Mon 3/9

6:00 am-11:15 am

1 stop5h 15m

$304

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Thu 3/5

5:30 am-10:39 am

1 stop5h 09m

Sioux City Sioux Gateway

Mon 3/9

12:45 pm-11:05 pm

2 stops10h 20m

$314

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Wed 12/10

1:10 pm-6:10 pm

1 stop5h 00m

Sioux City Sioux Gateway

Wed 12/17

7:50 am-3:22 pm

2 stops7h 32m

$354

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Wed 12/10

5:30 am-6:10 pm

2 stops12h 40m

Sioux City Sioux Gateway

Wed 12/17

7:50 am-3:22 pm

2 stops7h 32m

$409

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Thu 3/5

7:00 am-5:32 pm

2 stops10h 32m

Sioux City Sioux Gateway

Mon 3/9

12:45 pm-11:05 pm

2 stops10h 20m

$459

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Thu 3/5

7:00 am-5:32 pm

2 stops10h 32m

Sioux City Sioux Gateway

Mon 3/9

12:45 pm-11:05 pm

2 stops10h 20m

$619

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 1/6

6:11 pm-11:47 pm

1 stop5h 36m

$175

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 1/6

4:20 pm-11:47 pm

2 stops7h 27m

$185

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Sun 1/4

5:20 pm-6:13 pm

2 stops24h 53m

$431

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Sun 1/4

5:20 pm-11:15 pm

1 stop5h 55m

$455

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 is the cheapest airline that flies from Austin Bergstrom to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Austin Bergstrom to Sioux City Sioux Gateway

What airlines fly to Sioux City?

American Airlines, Southwest and United Airlines 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 58% 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

Direct flights

None
There are no direct flights from Austin to Sioux City. There are no popular flight routes from Austin to Sioux City.
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  • 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 00m 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
8,997 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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Sioux City. momondo saves you time and could save you money on your trip.

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?

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

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