$134+ Cheap flights from Sioux Falls to Austin (FSD - 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — AUS
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Cheapest flights from Sioux Falls to AustinExplore the most affordable flight options available from Sioux Falls to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Sioux Falls to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:31 pm
FSD
- AUS
1 stop23h 50m
Frontier
Mon 9/216:45 am
AUS
- FSD
1 stop11h 51m
Frontier
Deal found 7/23![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:48 pm
FSD
- AUS
1 stop22h 38m
Frontier
Mon 11/96:45 am
AUS
- FSD
1 stop13h 08m
Frontier
Deal found 7/21![Frontier logo]()
$268
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 am
FSD
- AUS
1 stop7h 17m
American Airlines
Tue 9/812:42 pm
AUS
- FSD
1 stop7h 17m
American Airlines
Deal found 7/22![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/197:47 am
FSD
- AUS
1 stop6h 11m
United Airlines
Sat 9/262:26 pm
AUS
- FSD
2 stops8h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:56 pm
FSD
- AUS
1 stop22h 34m
Frontier
Thu 9/38:15 pm
AUS
- FSD
1 stop23h 46m
Frontier
Deal found 7/22![Frontier logo]()
$296
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:56 pm
FSD
- AUS
1 stop3h 59m
American Airlines
Sat 9/266:00 am
AUS
- FSD
1 stop6h 16m
American Airlines
Deal found 7/19![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/187:47 am
FSD
- AUS
2 stops7h 39m
United Airlines
Mon 8/245:20 pm
AUS
- FSD
1 stop6h 02m
United Airlines
Deal found 7/19![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:56 pm
FSD
- AUS
1 stop22h 34m
Frontier
Fri 9/46:15 am
AUS
- FSD
1 stop13h 46m
Frontier
Deal found 7/22![Frontier logo]()
$313
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 am
FSD
- AUS
1 stop7h 17m
American Airlines
Wed 8/268:00 am
AUS
- FSD
1 stop4h 17m
American Airlines
Deal found 7/23![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
FSD
- AUS
1 stop4h 44m
American Airlines
Mon 9/287:00 am
AUS
- FSD
1 stop5h 16m
American Airlines
Deal found 7/22![American Airlines logo]()
$319
Best flights from Sioux Falls to AustinDiscover carefully curated flight deals from Sioux Falls to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Sioux Falls to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/231:33 pm
FSD
- AUS
1 stop5h 39m
United Airlines
Tue 9/294:17 pm
AUS
- FSD
2 stops7h 27m
United Airlines
Deal found 7/21![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:55 pm
FSD
- AUS
1 stop4h 41m
American Airlines
Mon 10/55:00 am
AUS
- FSD
1 stop7h 13m
American Airlines
Deal found 7/22![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:30 am
FSD
- AUS
1 stop4h 30m
Delta
Sun 10/116:11 am
AUS
- FSD
1 stop5h 58m
Delta
Deal found 7/20![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/197:47 am
FSD
- AUS
1 stop6h 11m
United Airlines
Sat 9/262:26 pm
AUS
- FSD
2 stops8h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/236:00 am
FSD
- AUS
1 stop5h 16m
United Airlines
Wed 9/304:17 pm
AUS
- FSD
2 stops7h 27m
United Airlines
Deal found 7/23![United Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/51:33 pm
FSD
- AUS
2 stops9h 41m
United Airlines
Tue 9/82:24 pm
AUS
- FSD
2 stops9h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/911:12 am
FSD
- AUS
2 stops8h 45m
United Airlines
Wed 9/1612:12 pm
AUS
- FSD
2 stops11h 00m
United Airlines
Deal found 7/23![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 10/21:46 pm
FSD
- AUS
2 stops9h 08m
United Airlines
Mon 10/55:25 pm
AUS
- FSD
1 stop5h 46m
United Airlines
Deal found 7/18![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/2411:35 am
FSD
- AUS
1 stop7h 14m
United Airlines
Mon 9/282:30 pm
AUS
- FSD
2 stops9h 14m
United Airlines
Deal found 7/19![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 7/20. 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 10/79:42 am
FSD
- AUS
2 stops10h 15m
United Airlines
Sun 10/115:30 am
AUS
- FSD
1 stop5h 20m
United Airlines
Deal found 7/20![United Airlines logo]()
$457
Last-minute flights from Sioux Falls to AustinDiscover last-minute flight deals from Sioux Falls to Austin. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Austin. Data last updated July 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:08 pm
FSD
- AUS
1 stop27h 59m
Frontier
Fri 8/72:25 pm
AUS
- FSD
1 stop4h 58m
Frontier
Deal found 7/19![Frontier logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:08 pm
FSD
- AUS
1 stop22h 40m
Frontier
Tue 8/117:43 pm
AUS
- FSD
1 stop23h 40m
Frontier
Deal found 7/20![Frontier logo]()
$334
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:20 am
FSD
- AUS
1 stop4h 32m
American Airlines
Sun 8/98:00 am
AUS
- FSD
1 stop4h 17m
American Airlines
Deal found 7/21![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:57 pm
FSD
- AUS
1 stop4h 04m
American Airlines
Mon 8/247:00 am
AUS
- FSD
1 stop5h 17m
American Airlines
Deal found 7/19![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/187:47 am
FSD
- AUS
2 stops7h 39m
United Airlines
Mon 8/245:20 pm
AUS
- FSD
1 stop6h 02m
United Airlines
Deal found 7/19![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 am
FSD
- AUS
1 stop7h 17m
American Airlines
Wed 8/268:00 am
AUS
- FSD
1 stop4h 17m
American Airlines
Deal found 7/23![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:57 pm
FSD
- AUS
1 stop7h 04m
American Airlines
Sun 8/238:00 am
AUS
- FSD
1 stop4h 17m
American Airlines
Deal found 7/19![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/217:47 am
FSD
- AUS
2 stops7h 39m
United Airlines
Sun 8/235:30 am
AUS
- FSD
1 stop5h 13m
United Airlines
Deal found 7/21![United Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:56 pm
FSD
- AUS
1 stop22h 34m
Frontier
Thu 9/38:15 pm
AUS
- FSD
1 stop23h 46m
Frontier
Deal found 7/22![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:56 pm
FSD
- AUS
1 stop22h 34m
Frontier
Fri 9/46:15 am
AUS
- FSD
1 stop13h 46m
Frontier
Deal found 7/22![Frontier logo]()
$313
One-way flights from Sioux Falls to AustinSearch for one-way flight options from Sioux Falls to Austin. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Sioux Falls to Austin. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:56 pm
FSD
- AUS
1 stop22h 34m
Frontier
Deal found 7/22![Frontier logo]()
$134
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 am
FSD
- AUS
1 stop4h 20m
American Airlines
Deal found 7/22![American Airlines logo]()
$145
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/59:35 am
FSD
- AUS
2 stops10h 22m
United Airlines
Deal found 7/22![United Airlines logo]()
$160
This Trip.com deal was found by Cheapflights users on 7/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:08 pm
FSD
- AUS
1 stop22h 50m
Frontier
Deal found 7/20![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:02 pm
FSD
- AUS
1 stop23h 03m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:02 pm
FSD
- AUS
1 stop13h 50m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am
FSD
- AUS
1 stop4h 44m
American Airlines
Deal found 7/20![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/311:25 am
FSD
- AUS
2 stops9h 42m
United Airlines
Deal found 7/22![United Airlines logo]()
$314
Find flight deals from Sioux Falls to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) 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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $388 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls 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 July 24, 2026.
Use the filters below to find and compare flights from Sioux Falls to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Wed 9/23
1:33 pm-7:12 pm
1 stop5h 39m
Austin Bergstrom
Tue 9/29
4:17 pm-11:44 pm
2 stops7h 27m
$294
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Sat 9/19
7:47 am-1:58 pm
1 stop6h 11m
Austin Bergstrom
Sat 9/26
2:26 pm-11:11 pm
2 stops8h 45m
$294
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Wed 9/23
6:00 am-11:16 am
1 stop5h 16m
Austin Bergstrom
Wed 9/30
4:17 pm-11:44 pm
2 stops7h 27m
$304
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Thu 10/1
5:55 pm-10:36 pm
1 stop4h 41m
Austin Bergstrom
Mon 10/5
5:00 am-12:13 pm
1 stop7h 13m
$319
Quickest round-trip
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Wed 10/7
8:30 am-1:00 pm
1 stop4h 30m
Austin Bergstrom
Sun 10/11
6:11 am-12:09 pm
1 stop5h 58m
$357
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Sat 9/5
1:33 pm-11:14 pm
2 stops9h 41m
Austin Bergstrom
Tue 9/8
2:24 pm-11:44 pm
2 stops9h 20m
$389
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Wed 9/9
11:12 am-7:57 pm
2 stops8h 45m
Austin Bergstrom
Wed 9/16
12:12 pm-11:12 pm
2 stops11h 00m
$444
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Fri 10/2
1:46 pm-10:54 pm
2 stops9h 08m
Austin Bergstrom
Mon 10/5
5:25 pm-11:11 pm
1 stop5h 46m
$457
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Thu 9/24
11:35 am-6:49 pm
1 stop7h 14m
Austin Bergstrom
Mon 9/28
2:30 pm-11:44 pm
2 stops9h 14m
$457
Sioux FallsAustin
FSD - AUS
FSDAUS
Sioux Falls Joe Foss Field
Wed 10/7
9:42 am-7:57 pm
2 stops10h 15m
Austin Bergstrom
Sun 10/11
5:30 am-10:50 am
1 stop5h 20m
$457
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Sioux Falls 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 Falls to Austin in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-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 Falls-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 Falls to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Sioux Falls with our price prediction graph.
FSD-AUS
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 Falls to Austin
Prices
More
What is the cheapest month to book a flight from Sioux Falls to Austin?
Currently, October is the cheapest month in which you can book a flight from Sioux Falls to Austin (average of $268). Flying from Sioux Falls to Austin in June is currently the most expensive (average of $595). 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.
How much does it cost to fly round-trip from Sioux Falls to Austin?
Airfare is below average for this route at the moment.
Sioux Falls to Austin flights typically cost between $358 and $400 in September.The cheapest round-trip price found within the last 5 days was $256 on Frontier (Sep 18-Sep 21).
What’s the top layover airport for flights from Sioux Falls to Austin?
Share of 1-stop round-trip flights from Sioux Falls to Austin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Sioux Falls to Austin on Cheapflights.
What’s the cheapest layover airport for flights from Sioux Falls to Austin?
Average round-trip fare for 1-stop flights from Sioux Falls to Austin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $191.
What’s the fastest layover option from Sioux Falls to Austin?
Shortest average travel time for 1-stop one-way flights from Sioux Falls to Austin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 4h 36m.
Which airport typically offers the quickest layover for flights from Sioux Falls to Austin?
Average layover duration for 1-stop one-way flights from Sioux Falls to Austin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 03m.
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 24, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Sioux Falls to Austin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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Top 4 airlines flying from Sioux Falls to Austin
Discover the top 4 airlines that operate flights from Sioux Falls to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$388 | FlexibilityNo cancel fee | On-time71% |