$90 Cheap Flights from Sioux Falls (FSD) to Austin (AUS)

View $90 flight on Mon, Apr 13, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $90 for one-way flights and $180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Apr 10 - Mon, Apr 13
FSD
Sioux Falls
AUS
Austin
$180 Roundtrip, found 1 hour ago
$180
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Sioux Falls to Austin, returning Mon, Apr 13, priced at $180 found 1 hour ago
Frontier Airlines
Fri, Apr 3 - Fri, Apr 10
FSD
Sioux Falls
AUS
Austin
$205 Roundtrip, found 6 days ago
$205
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Apr 3 from Sioux Falls to Austin, returning Fri, Apr 10, priced at $205 found 6 days ago
American Airlines
Wed, May 13 - Mon, May 18
FSD
Sioux Falls
AUS
Austin
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, May 13 from Sioux Falls to Austin, returning Mon, May 18, priced at $221 found 5 days ago
Frontier Airlines
Fri, Apr 10 - Mon, Apr 13
FSD
Sioux Falls
AUS
Austin
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Sioux Falls to Austin, returning Mon, Apr 13, priced at $229 found 1 hour ago
Frontier Airlines
Mon, Apr 13 - Sat, Apr 18
FSD
Sioux Falls
AUS
Austin
$236 Roundtrip, found 19 hours ago
$236
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Sioux Falls to Austin, returning Sat, Apr 18, priced at $236 found 19 hours ago
Frontier Airlines
Mon, Apr 13 - Sat, Apr 18
FSD
Sioux Falls
AUS
Austin
$241 Roundtrip, found 19 hours ago
$241
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Sioux Falls to Austin, returning Sat, Apr 18, priced at $241 found 19 hours ago
Delta
Wed, May 13 - Mon, May 18
FSD
Sioux Falls
AUS
Austin
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, May 13 from Sioux Falls to Austin, returning Mon, May 18, priced at $247 found 5 days ago
Frontier Airlines
Fri, Mar 27 - Mon, Mar 30
FSD
Sioux Falls
AUS
Austin
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Mar 27 from Sioux Falls to Austin, returning Mon, Mar 30, priced at $250 found 5 days ago
American Airlines
Wed, May 13 - Mon, May 18
FSD
Sioux Falls
AUS
Austin
$255 Roundtrip, found 5 days ago
$255
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, May 13 from Sioux Falls to Austin, returning Mon, May 18, priced at $255 found 5 days ago
United
Wed, Apr 15 - Wed, Apr 22
FSD
Sioux Falls
AUS
Austin
$276 Roundtrip, found 5 days ago
$276
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from Sioux Falls to Austin, returning Wed, Apr 22, priced at $276 found 5 days ago

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Alternative airports near Austin

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

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $384
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $384

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

March is typically the cheapest month to fly

From $154 - $602 per traveler.

Frequently asked questions

How much does a flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) cost?
You can find cheap one-way flights from $90 and cheap return flights from $180 Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) with Expedia. One-way flights usually range from $148 to $683, and return flights typically cost between $371 and $1228. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
August is the cheapest month to fly from Sioux Falls, SD (FSD) to Austin, TX (AUS), with average round-trip fares around $328. This is about 20% lower than the average price throughout the year, as travel demand is typically lower during this time. Other budget-friendly months for this route include May and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Enter FSD to AUS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Sioux Falls, SD (FSD) to Austin, TX (AUS), with round-trip tickets starting from around $688. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
To find a cheap flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The ideal times to fly from Sioux Falls, SD (FSD) to Austin, TX (AUS) are in July and August, with average return flight prices around $328. These months are popular for travel, providing a lively atmosphere and plenty of flight options.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The earliest flight from Sioux Falls, South Dakota (FSD) to Austin, Texas (AUS) usually departs at around 5:00 AM, operated by Delta. This seasonal service is available in January and February, giving you a head start on your day in Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The most popular departure times for flights from Sioux Falls (FSD) to Austin (AUS) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to maximize your time in Austin upon arrival.
How long does it take to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
A flight from FSD to AUS with a layover takes around 5 hours 30 minutes, with the route covering approximately 926 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
You can fly first class between FSD and AUS. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight with Expedia?
It's easy to earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Austin from Sioux Falls Regional (FSD)?
If you're planning to travel to Austin from Sioux Falls Regional (FSD), you can fly into Austin-Bergstrom Intl. (AUS) Some flights may connect through major hubs like Denver Intl. (DEN), O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) at the last minute?
Typically, booking a last minute flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package?
Securing a Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) Austin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you booked your Sioux Falls, SD (FSD-Sioux Falls Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$180
Distance
925 mi

Book with confidence

Sioux Falls to Austin Flights

The cheapest times to fly from Sioux Falls to Austin

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 Sioux Falls to Austin are during the month of April. You can find some of the cheapest flights from Sioux Falls to Austin with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Sioux Falls to Austin: 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 Sioux Falls to Austin

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 Sioux Falls to Austin in 2026. You can also book with separate airlines for your outbound and return journeys, from $90 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 Sioux Falls to Austin 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 Sioux Falls to Austin 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.

 

Sioux Falls to Austin Flights

*Flight schedules are subject to change.

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*Available to One Key members.