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Sioux City

$307+ Cheap flights from Austin to Sioux City (AUS - SUX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SUX
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheap flight deals from Austin to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 20, 2025.

Round-trip from

$377
(United Airlines)

One-way from

$307
(United Airlines)
From Austin Bergstrom to Sioux City Sioux Gateway
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One-way flight from Austin Bergstrom to Sioux City Sioux Gateway
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Find flight deals from Austin to Sioux City

Cheapest flights from Austin to Sioux City
Explore the most affordable flight options available from Austin to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/33:51 pmAUS - SUX
1 stop7h 09mUnited Airlines
lun. 10/66:51 pmSUX - AUS
2 stops13h 39mUnited Airlines
Deal found 8/17$377
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:05 amAUS - SUX
2 stops11h 08mUnited Airlines
sáb. 9/67:49 amSUX - AUS
1 stop8h 16mUnited Airlines
Deal found 8/18$507

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 20, 2025.
Use the filters below to find and compare flights from Austin to Sioux City that are best for you.

Fly from

Austin

Fly to

Sioux City

Route

Depart

Return

Price

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

vie. 10/3

3:51 pm-11:00 pm

1 stop7h 09m

Sioux City Sioux Gateway

lun. 10/6

6:51 pm-8:30 am

2 stops13h 39m

$377

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

mar. 9/2

7:05 am-6:13 pm

2 stops11h 08m

Sioux City Sioux Gateway

sáb. 9/6

7:49 am-4:05 pm

1 stop8h 16m

$507

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

vie. 9/19

7:59 pm-6:13 pm

1 stop22h 14m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Austin to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Sioux City

What is the cheapest month to book a flight from Austin to Sioux City?

Currently, October is the cheapest month in which you can book a flight from Austin to Sioux City (average of $318). Flying from Austin to Sioux City in March is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated agosto 20, 2025.
Get a feel of what it's like to fly with United Airlines from Austin to Sioux City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Austin to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Austin to Sioux City?

    Departing from Austin to Sioux City will take you 7h 09m. The distance between Austin and Sioux City is about 846 mi.

  • What is the cheapest airline to fly from Austin to Sioux City round-trip?

    Currently priced at $233, United Airlines will fly you from Austin to Sioux City and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Austin to Sioux City that include hotel bookings?

    Yes. In addition to deals on Austin to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Sioux City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Sioux City.

  • Can I find deals for business class flights from Austin to Sioux City?

    Yes. Cheapflights offers flight deals from Austin to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Sioux City?

    Currently, October is the cheapest month in which you can book a flight from Austin to Sioux City (average of $318). Flying from Austin to Sioux City in March is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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Top airline flying from Austin to Sioux City

Discover the top airline that operate flights from Austin to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$233Average$343FlexibilityNo cancel feeOn-time69%

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