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$218+ Cheap flights from Sioux City to Austin (SUX - AUS)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — AUS
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
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Cheap flight deals from Sioux City to Austin

Cheapest flights from Sioux City to Austin
Explore the most affordable flight options available from Sioux City to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.

This United Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 7/18:10 am
SUX
-
AUS
1 stop6h 31m
United Airlines
Tue 7/75:39 am
AUS
-
SUX
1 stop5h 18m
United Airlines
Deal found 6/3$294
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 8/2911:30 am
SUX
-
AUS
1 stop5h 35m
United Airlines
Tue 9/15:30 am
AUS
-
SUX
1 stop5h 25m
United Airlines
Deal found 6/2$374
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 9/129:05 am
SUX
-
AUS
1 stop7h 18m
United Airlines
Thu 9/176:01 pm
AUS
-
SUX
1 stop5h 42m
United Airlines
Deal found 6/4$376
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/211:32 am
SUX
-
AUS
2 stops11h 40m
United Airlines
Thu 7/95:39 am
AUS
-
SUX
1 stop5h 18m
United Airlines
Deal found 6/4$383
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/156:30 pm
SUX
-
AUS
1 stop5h 32m
United Airlines
Mon 9/216:01 pm
AUS
-
SUX
1 stop5h 42m
United Airlines
Deal found 6/4$389
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Thu 6/116:30 pm
SUX
-
AUS
1 stop5h 14m
United Airlines
Mon 6/155:39 am
AUS
-
SUX
1 stop5h 18m
United Airlines
Deal found 6/1$434

Find flight deals from Sioux City to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Austin (AUS). 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 June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(United Airlines)

One-way from

$218
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Austin Bergstrom flights.
Search Deals
From Sioux City Sioux Gateway to Austin Bergstrom
Search Deals
One-way flight from Sioux City Sioux Gateway to Austin Bergstrom
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Austin 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 June 5, 2026.
Use the filters below to find and compare flights from Sioux City to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Wed 7/1

8:10 am-2:41 pm

1 stop6h 31m

Austin Bergstrom

Tue 7/7

5:39 am-10:57 am

1 stop5h 18m

$294
Quickest round-trip

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 8/29

11:30 am-5:05 pm

1 stop5h 35m

Austin Bergstrom

Tue 9/1

5:30 am-10:55 am

1 stop5h 25m

$374

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 9/12

9:05 am-4:23 pm

1 stop7h 18m

Austin Bergstrom

Thu 9/17

6:01 pm-11:43 pm

1 stop5h 42m

$376

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 9/19

6:30 pm-11:54 pm

1 stop5h 24m

Austin Bergstrom

Thu 9/24

1:00 pm-11:42 pm

1 stop10h 42m

$471

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 9/19

6:30 pm-11:54 pm

1 stop5h 24m

Austin Bergstrom

Tue 9/22

5:50 pm-11:42 pm

3 stops53h 52m

$600
Cheapest one-way

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Tue 6/23

11:32 am-1:20 pm

1 stop25h 48m

$317
Quickest one-way

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 9/12

9:05 am-10:45 pm

1 stop13h 40m

$346

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Thu 9/10

6:30 pm-1:12 pm

2 stops18h 42m

$466

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 9/11

8:05 am-11:06 am

3 stops27h 01m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Sorted by cheapest first

Compare providers for flights from Sioux City to Austin

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 Sioux City to Austin in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Sioux City-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux City-Austin 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 Sioux City-Austin 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 Sioux City to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Sioux City 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.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Austin. 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 Sioux City to Austin?

    A quick flight from Sioux City to Austin can take about 6h 31m. United Airlines provides one of the quickest options available for as low as $294. The distance from Sioux City to Austin is about 846 mi.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
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Canyon Lake

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