HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$206+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SUX
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Sioux City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 6/95:41 am
AUS
-
SUX
1 stop4h 58m
United Airlines
Tue 6/1612:45 pm
SUX
-
AUS
2 stops10h 27m
United Airlines
Deal found 2/8$334
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 2/244:52 pm
AUS
-
SUX
1 stop6h 50m
United Airlines
Sat 2/281:00 pm
SUX
-
AUS
2 stops10h 15m
United Airlines
Deal found 2/7$400
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 2/226:19 pm
AUS
-
SUX
1 stop5h 23m
United Airlines
Thu 2/266:00 am
SUX
-
AUS
1 stop6h 55m
United Airlines
Deal found 2/7$480

Find 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(United Airlines)

One-way from

$206
(United Airlines)
Provider with most accurate pricing for Austin Bergstrom-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Sioux City Sioux Gateway flights.
Search Deals
From Austin Bergstrom to Sioux City Sioux Gateway
Search Deals
One-way flight from Austin Bergstrom to Sioux City Sioux Gateway
Search Deals

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 February 9, 2026.
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

Tue 6/9

5:41 am-10:39 am

1 stop4h 58m

Sioux City Sioux Gateway

Tue 6/16

12:45 pm-11:12 pm

2 stops10h 27m

$334

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 2/24

4:52 pm-11:42 pm

1 stop6h 50m

Sioux City Sioux Gateway

Sat 2/28

1:00 pm-11:15 pm

2 stops10h 15m

$400

AustinSioux City

AUS - SUX

AUSSUX

Austin Bergstrom

Tue 5/26

5:41 am-10:39 am

1 stop4h 58m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Compare providers for flights from Austin to Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Sioux City in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Austin to Sioux City (average of $124). Flying from Austin to Sioux City in December is currently the most expensive (average of $258). 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 February 9, 2026.
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
9,262 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,262 reviews
United Airlines
7.4
Good
9,262 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 4h 58m. 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, February is the cheapest month in which you can book a flight from Austin to Sioux City (average of $124). Flying from Austin to Sioux City in December is currently the most expensive (average of $258). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Omaha flights
Dallas/Fort Worth to Des Moines flights
Hobby to Omaha flights
George Bush Intcntl to Omaha flights
Dallas/Fort Worth to Cedar Rapids flights
Hobby to Des Moines flights
Love Field to Omaha flights
George Bush Intcntl to Des Moines flights
Hobby to Moline flights
Austin to Omaha flights
Corpus Christi to Cedar Rapids flights
George Bush Intcntl to Moline flights
Love Field to Des Moines flights
Hobby to Cedar Rapids flights
Austin to Des Moines flights
George Bush Intcntl to Cedar Rapids flights
San Antonio to Des Moines flights
Austin to Cedar Rapids flights
Dallas/Fort Worth to Moline flights
El Paso to Moline flights
San Antonio to Omaha flights
Lubbock to Omaha flights
Dallas/Fort Worth to Sioux City flights
Austin to Moline flights
Corpus Christi to Des Moines flights
El Paso to Omaha flights
San Antonio to Cedar Rapids flights
El Paso to Cedar Rapids flights
Hobby to Sioux City flights
Brownsville to Cedar Rapids flights
Harlingen to Des Moines flights
McAllen to Omaha flights
El Paso to Des Moines flights
San Antonio to Moline flights
Austin to Waterloo flights
Harlingen to Omaha flights
Laredo to Cedar Rapids flights
Midland to Cedar Rapids flights
Lubbock to Moline flights
Tyler to Des Moines flights
Corpus Christi to Moline flights
Corpus Christi to Sioux City flights
Love Field to Moline flights
Dallas/Fort Worth to La Crosse flights
Killeen to Des Moines flights
Waco to Des Moines flights
Love Field to Cedar Rapids flights

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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$233Average$338FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights