In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest time of day to fly from SUX to AUS?

When flying from Sioux City to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$234+ Flights from Sioux City to Austin

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Cheap flight deals from Sioux City to Austin

Round-trip from	$234 (United Airlines)

From Sioux City Sioux Gateway to Austin Bergstrom

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Find 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 July 3, 2025.

Tue 8/196:48 pmSUX - AUS

1 stop5h 10mUnited Airlines

Mon 8/255:25 pmAUS - SUX

1 stop5h 32mUnited Airlines

Deal found 7/1

$234

Best flights from Sioux City to Austin
Discover carefully curated flight deals from Sioux City to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Tue 8/196:48 pmSUX - AUS

1 stop5h 10mUnited Airlines

Mon 8/255:25 pmAUS - SUX

1 stop5h 32mUnited Airlines

Deal found 7/1

$234

Last-minute flights from Sioux City to Austin
Discover last-minute flight deals from Sioux City to Austin. Data last updated July 3, 2025 and is based on user searches.

Fri 7/116:53 pmSUX - AUS

1 stop5h 06mUnited Airlines

Tue 7/157:05 amAUS - SUX

2 stops11h 13mUnited Airlines

Deal found 7/2

$469

Tue 8/196:48 pmSUX - AUS

1 stop5h 10mUnited Airlines

Mon 8/255:25 pmAUS - SUX

1 stop5h 32mUnited Airlines

Deal found 7/1

$234

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux City to Austin that are best for you.

Fly from

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Route

Depart

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Price

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Tue 8/19

6:48 pm-11:58 pm

1 stop5h 10m

Austin Bergstrom

Mon 8/25

5:25 pm-10:57 pm

1 stop5h 32m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to Austin (average of $286). Flying from Sioux City to Austin in March is currently the most expensive (average of $362). 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 Austin

Peruse reviews from past customers who have flown with United Airlines from Sioux City to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

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

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

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

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.
What is the cheapest month to book a flight from Sioux City to Austin?
Currently, January is the cheapest month in which you can book a flight from Sioux City to Austin (average of $286). Flying from Sioux City to Austin in March is currently the most expensive (average of $362). 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.

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$234+ Cheap flights from Sioux City to Austin (SUX - AUS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux City to Austin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux City to Austin

Round-trip from

Find flight deals from Sioux City to Austin

Cheapest flights from Sioux City to AustinExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux City to Austin that are best for you.

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.

Cheapflights Insights

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

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

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated July 3, 2025.

Peruse reviews from past customers who have flown with United Airlines from Sioux City to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

Traveling to a place near Sioux City?

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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 July 3, 2025.