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Find cheap one-way flights from Austin to Sioux City starting at US$203.

Discover our range of affordable one-way and round-trip flights from Austin to Sioux City and kick-start your next adventure today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Austin to Sioux City Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. UA361

    05:15

    AUS

    2.3h

    06:35

    DEN

    SMTWTFS
  2. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  3. AA579

    06:00

    AUS

    1.2h

    07:13

    DFW

    SMTWTFS
  4. AA2357

    08:19

    DFW

    2.3h

    09:37

    DEN

    SMTWTFS
  5. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  6. F91815

    06:00

    AUS

    2.5h

    07:30

    DEN

    SMTWTFS
  7. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  8. AA1595

    07:00

    AUS

    1.3h

    08:15

    DFW

    SMTWTFS
  9. AA2359

    10:12

    DFW

    2.3h

    11:32

    DEN

    SMTWTFS
  10. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  11. AA1079

    08:00

    AUS

    2.6h

    10:34

    ORD

    SMTWTFS
  12. UA5021

    20:45

    ORD

    1.8h

    22:30

    SUX

    SMTWTFS
  13. UA595

    08:53

    AUS

    2.3h

    10:13

    DEN

    SMTWTFS
  14. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  15. DL2976

    10:55

    AUS

    2.1h

    14:00

    ATL

    SMTWTFS
  16. DL2738

    15:30

    ATL

    2.2h

    16:42

    ORD

    SMTWTFS
  17. UA5021

    20:45

    ORD

    1.8h

    22:30

    SUX

    SMTWTFS
  18. UA779

    11:10

    AUS

    2.4h

    12:36

    DEN

    SMTWTFS
  19. UA5104

    11:53

    DEN

    1.6h

    14:28

    SUX

    SMTWTFS
  20. DL2062

    11:29

    AUS

    2.7h

    14:12

    MSP

    SMTWTFS
  21. UA658

    17:16

    MSP

    1.6h

    18:55

    ORD

    SMTWTFS
  22. UA5021

    20:45

    ORD

    1.8h

    22:30

    SUX

    SMTWTFS
  23. UA231

    13:39

    AUS

    2.8h

    16:26

    ORD

    SMTWTFS
  24. UA5021

    20:45

    ORD

    1.8h

    22:30

    SUX

    SMTWTFS

When is the cheapest time to book flights from Austin to Sioux City?

Explore the best time to buy affordable tickets to Sioux City with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Austin (AUS) to Sioux City (SUX) the cheapest?

    Airlines adjust prices for flights from Austin to Sioux City based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Austin (AUS) to Sioux City (SUX) cost?

    According to Trip.com's data, the lowest price is around $374.
  • What is the transportation method from the main airport to downtown in Sioux City?

    • The distance from Sioux Gateway Airport to downtown is about 11 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Austin to Sioux City

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Being flexible with your dates to get the cheapest Austin to Sioux City ticket.
Tap "Date" on flight search bar to scan through the calender for Austin to Sioux City airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, Feb 22 at US$203 for one-way flights.
2
Compare cheap Austin to Sioux City flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Austin to Sioux City. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Austin to Sioux City route, you can easily track the price of your airline tickets from Austin to Sioux City without manually checking every day.
4
Don't miss cheap Austin to Sioux City flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Austin to Sioux City to get exclusive deals for you.

Austin to Sioux City Flight Information

Cheapest nonstop flight price$203
Off-season for travelFebruary
Peak season for travelNovember
Flight distance1,351.5 km
Popular airlineFrontier Airlines