$100 Cheap Flights from Austin (AUS) to Sioux Falls (FSD)

View $100 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)

Cheap Flights from Austin to Sioux Falls (AUS-FSD)

Prices were available within the past 7 days and start at $100 for one-way flights and $118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 13 - Mon, Nov 17
AUS
Austin
FSD
Sioux Falls
$118 Roundtrip, found 3 days ago
$118
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Austin to Sioux Falls, returning Mon, Nov 17, priced at $118 found 3 days ago
Frontier Airlines
Thu, Nov 6 - Mon, Nov 10
AUS
Austin
FSD
Sioux Falls
$170 Roundtrip, found 23 hours ago
$170
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Austin to Sioux Falls, returning Mon, Nov 10, priced at $170 found 23 hours ago
Frontier Airlines
Thu, Oct 23 - Mon, Nov 10
AUS
Austin
FSD
Sioux Falls
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Austin to Sioux Falls, returning Mon, Nov 10, priced at $188 found 4 days ago
Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
AUS
Austin
FSD
Sioux Falls
$200 Roundtrip, found 4 hours ago
$200
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Austin to Sioux Falls, returning Thu, Nov 6, priced at $200 found 4 hours ago
Frontier Airlines
Thu, Oct 30 - Mon, Nov 3
AUS
Austin
FSD
Sioux Falls
$212 Roundtrip, found 3 days ago
$212
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Austin to Sioux Falls, returning Mon, Nov 3, priced at $212 found 3 days ago
Frontier Airlines
Thu, Oct 30 - Wed, Nov 5
AUS
Austin
FSD
Sioux Falls
$226 Roundtrip, found 22 hours ago
$226
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Austin to Sioux Falls, returning Wed, Nov 5, priced at $226 found 22 hours ago
American Airlines
Sat, Nov 8 - Mon, Nov 10
AUS
Austin
FSD
Sioux Falls
$231 Roundtrip, found 3 hours ago
$231
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Austin to Sioux Falls, returning Mon, Nov 10, priced at $231 found 3 hours ago
United
Sat, Nov 8 - Mon, Nov 10
AUS
Austin
FSD
Sioux Falls
$236 Roundtrip, found 3 hours ago
$236
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Nov 8 from Austin to Sioux Falls, returning Mon, Nov 10, priced at $236 found 3 hours ago
Frontier Airlines
Thu, Oct 30 - Mon, Nov 3
AUS
Austin
FSD
Sioux Falls
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Austin to Sioux Falls, returning Mon, Nov 3, priced at $238 found 2 days ago
Delta
Tue, Jan 6 - Wed, Jan 21
AUS
Austin
FSD
Sioux Falls
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jan 6 from Austin to Sioux Falls, returning Wed, Jan 21, priced at $251 found 2 hours ago

Find the cheapest month to fly from Austin (AUS) to Sioux Falls (FSD)

March is typically the cheapest month to fly

From $154 - $710 per traveler.

Alternative airports near Sioux Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $274
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $274
Flights from Austin (AUS) to Sioux Falls (FSD)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$118
Distance
925 mi

Austin to Sioux Falls Flights

The cheapest times to fly from Austin to Sioux Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Sioux Falls are during the month of November. You can find some of the cheapest flights from Austin to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Sioux Falls

Sunday is one of the best days to book for cheap flights from Austin to Sioux Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to Sioux Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Sioux Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Sioux Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Sioux Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD) cost?
Snag a cheap one-way flight from $100 or cheap return flight from $118 from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)?
November is the most affordable month to fly from AUS to FSD. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest AUS to FSD flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)?
Direct flights from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to FSD?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)?
Select a flight from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD) last-minute?
Waiting until just before your trip to book your flight from AUS to FSD often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book an AUS to FSD flight and hotel package?
Securing an AUS to FSD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Sioux Falls Regional Airport (FSD)?
Typically, you can reschedule or cancel your AUS to FSD flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.