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Cheap flights from Austin to Sioux City from $279

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 9/19. 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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0 bags

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Find the cheapest flights from Austin to Sioux City (AUS-SUX)

Cheap round-trip flights

United Airlines Logo
12:56 pm - 6:13 pmAUS-SUX
5h 17m1 stop
United Airlines Logo
7:49 am - 4:04 pmSUX-AUS
8h 15m1 stop
$349United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23
United Airlines Logo
9:35 am - 6:13 pmAUS-SUX
8h 38m2 stops
United Airlines Logo
7:49 am - 4:04 pmSUX-AUS
8h 15m1 stop
$359United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23
United Airlines Logo
9:35 am - 6:13 pmAUS-SUX
8h 38m2 stops
United Airlines Logo
6:48 pm - 1:08 pmSUX-AUS
18h 20m2 stops
$496United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23

United Airlines flights from Austin to Sioux City

Our best United Airlines deals on Austin to Sioux City flight tickets
United Airlines
Aug 19
AUS12:56 pmAustin Bergstrom
5h 17m
1 stop
SUX6:13 pmSioux City Sioux Gateway
Aug 23
SUX7:49 amSioux City Sioux Gateway
8h 15m
1 stop
AUS4:04 pmAustin Bergstrom
$349
Find similar
United Airlines
Aug 19
AUS9:35 amAustin Bergstrom
8h 38m
2 stops
SUX6:13 pmSioux City Sioux Gateway
Aug 23
SUX7:49 amSioux City Sioux Gateway
8h 15m
1 stop
AUS4:04 pmAustin Bergstrom
$359
Find similar
United Airlines
Aug 19
AUS9:35 amAustin Bergstrom
8h 38m
2 stops
SUX6:13 pmSioux City Sioux Gateway
Aug 23
SUX6:48 pmSioux City Sioux Gateway
18h 20m
2 stops
AUS1:08 pmAustin Bergstrom
$496
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 August 5, 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

Tue 8/19

12:56 pm-6:13 pm

1 stop5h 17m

Sioux City Sioux Gateway

Sat 8/23

7:49 am-4:04 pm

1 stop8h 15m

$349

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 8/19

9:35 am-6:13 pm

2 stops8h 38m

Sioux City Sioux Gateway

Sat 8/23

7:49 am-4:04 pm

1 stop8h 15m

$359

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 8/19

9:35 am-6:13 pm

2 stops8h 38m

Sioux City Sioux Gateway

Sat 8/23

6:48 pm-1:08 pm

2 stops18h 20m

$496

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Fri 9/19

2:15 pm-10:57 pm

2 stops32h 42m

$279

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Fri 9/19

5:55 pm-10:57 pm

2 stops29h 02m

$292

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Mon 9/15

12:56 pm-6:13 pm

1 stop5h 17m

$300

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Fri 9/19

7:59 pm-6:13 pm

1 stop22h 14m

$307

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Mon 9/15

5:55 pm-6:13 pm

2 stops24h 18m

$351

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Fri 8/15

8:52 am-6:18 pm

1 stop9h 26m

$384

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Fri 8/15

5:00 am-6:18 pm

2 stops13h 18m

$393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 62% 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

Best Price Found

$279

Fastest flight time

5h 17m

Direct flights

None

Airports in Sioux City

1 airport
The best one-way flight to Sioux City from Austin in the past 72 hours is $279. The best round-trip flight deal from Austin to Sioux City found on momondo in the last 72 hours is $349.
The fastest flight from Austin to Sioux City takes 5h 17m
There are no direct flights from Austin to Sioux City. Popular non-direct route for this connection is Austin Bergstrom Airport - Sioux City Sioux Gateway Airport.
There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)
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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 17m 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
8,916 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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