$221+ Cheap flights from Knoxville (TYS) to South Dakota
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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FSD
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to South Dakota with Cheapflights
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Cheapest flights from Knoxville to South DakotaExplore the most affordable flight options available from Knoxville to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from Knoxville to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 8/187:00 am
TYS
- RAP
1 stop5h 26m
United Airlines
Fri 8/2810:26 am
RAP
- TYS
2 stops9h 19m
United Airlines
Deal found 6/23![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/24. 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 8/286:03 am
TYS
- FSD
1 stop7h 14m
American Airlines
Sun 8/3012:57 pm
FSD
- TYS
1 stop5h 38m
American Airlines
Deal found 6/24![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/157:00 am
TYS
- RAP
1 stop5h 26m
United Airlines
Wed 8/191:30 pm
RAP
- TYS
1 stop5h 23m
United Airlines
Deal found 6/22![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 6/25. 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 6/275:33 pm
TYS
- RAP
1 stop6h 00m
American Airlines
Sat 7/410:16 am
RAP
- TYS
1 stop5h 15m
American Airlines
Deal found 6/25![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/245:31 pm
TYS
- FSD
1 stop5h 27m
American Airlines
Fri 7/315:34 pm
FSD
- TYS
1 stop5h 17m
American Airlines
Deal found 6/24![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 6/24. 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 6/275:33 pm
TYS
- FSD
1 stop5h 44m
American Airlines
Wed 7/15:35 pm
FSD
- TYS
1 stop5h 20m
American Airlines
Deal found 6/24![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 8/266:02 pm
TYS
- FSD
1 stop6h 20m
United Airlines
Sat 8/296:00 am
FSD
- TYS
2 stops9h 58m
United Airlines
Deal found 6/22![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/85:31 pm
TYS
- RAP
1 stop6h 00m
American Airlines
Sat 7/113:26 pm
RAP
- TYS
1 stop5h 07m
American Airlines
Deal found 6/23![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/95:37 am
TYS
- RAP
1 stop8h 34m
American Airlines
Mon 7/1312:41 pm
RAP
- TYS
1 stop7h 17m
American Airlines
Deal found 6/24![American Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/84:56 pm
TYS
- RAP
1 stop5h 42m
United Airlines
Sun 7/121:35 pm
RAP
- TYS
1 stop5h 13m
United Airlines
Deal found 6/22![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 6/24. 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 10/275:01 pm
TYS
- FSD
1 stop7h 42m
United Airlines
Sat 10/319:35 am
FSD
- TYS
2 stops10h 09m
United Airlines
Deal found 6/24![United Airlines logo]()
$430
Best flights from Knoxville to South DakotaDiscover carefully curated flight deals from Knoxville to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Knoxville to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/286:03 am
TYS
- FSD
1 stop7h 14m
American Airlines
Sun 8/3012:57 pm
FSD
- TYS
1 stop5h 38m
American Airlines
Deal found 6/22![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/157:00 am
TYS
- RAP
1 stop5h 26m
United Airlines
Wed 8/191:30 pm
RAP
- TYS
1 stop5h 23m
United Airlines
Deal found 6/23![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/245:31 pm
TYS
- FSD
1 stop5h 27m
American Airlines
Fri 7/315:34 pm
FSD
- TYS
1 stop5h 17m
American Airlines
Deal found 6/24![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 8/266:02 pm
TYS
- FSD
1 stop6h 20m
United Airlines
Sat 8/293:08 pm
FSD
- TYS
1 stop4h 45m
United Airlines
Deal found 6/22![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/84:56 pm
TYS
- RAP
1 stop5h 42m
United Airlines
Sun 7/121:35 pm
RAP
- TYS
1 stop5h 13m
United Airlines
Deal found 6/22![United Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/81:00 pm
TYS
- RAP
2 stops10h 31m
American Airlines
Sat 7/113:26 pm
RAP
- TYS
1 stop5h 07m
American Airlines
Deal found 6/26![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 8/183:40 pm
TYS
- RAP
2 stops8h 48m
United Airlines
Fri 8/2811:22 am
RAP
- TYS
2 stops10h 37m
United Airlines
Deal found 6/23![United Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/25:31 pm
TYS
- FSD
1 stop5h 27m
American Airlines
Fri 7/312:01 pm
FSD
- TYS
2 stops10h 50m
American Airlines
Deal found 6/24![American Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 6/26. 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 9/37:00 am
TYS
- RAP
1 stop5h 26m
United Airlines
Mon 9/71:31 pm
RAP
- TYS
1 stop5h 22m
United Airlines
Deal found 6/26![United Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 6/25. 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 9/228:00 am
TYS
- RAP
1 stop11h 37m
American Airlines
Sun 9/276:07 pm
RAP
- TYS
1 stop14h 43m
American Airlines
Deal found 6/25![American Airlines logo]()
$546
Last-minute flights from Knoxville to South DakotaDiscover last-minute flight deals from Knoxville to South Dakota. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to South Dakota. Data last updated June 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/25. 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 6/275:33 pm
TYS
- RAP
1 stop6h 00m
American Airlines
Sat 7/410:16 am
RAP
- TYS
1 stop5h 15m
American Airlines
Deal found 6/25![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/24. 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 6/275:33 pm
TYS
- FSD
1 stop5h 44m
American Airlines
Wed 7/15:35 pm
FSD
- TYS
1 stop5h 20m
American Airlines
Deal found 6/24![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/27. 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 6/275:45 am
TYS
- RAP
2 stops12h 14m
United Airlines
Sat 7/41:35 pm
RAP
- TYS
1 stop5h 04m
United Airlines
Deal found 6/27![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/25:31 pm
TYS
- FSD
1 stop5h 27m
American Airlines
Fri 7/312:01 pm
FSD
- TYS
1 stop5h 01m
American Airlines
Deal found 6/24![American Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/85:31 pm
TYS
- RAP
1 stop6h 00m
American Airlines
Sat 7/113:26 pm
RAP
- TYS
1 stop5h 07m
American Airlines
Deal found 6/23![American Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/84:56 pm
TYS
- RAP
1 stop5h 42m
United Airlines
Sun 7/121:35 pm
RAP
- TYS
1 stop5h 13m
United Airlines
Deal found 6/22![United Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/95:37 am
TYS
- RAP
1 stop8h 34m
American Airlines
Mon 7/1312:41 pm
RAP
- TYS
1 stop7h 17m
American Airlines
Deal found 6/24![American Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 6/25. 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 7/125:37 am
TYS
- FSD
1 stop7h 33m
American Airlines
Sat 7/185:34 pm
FSD
- TYS
1 stop5h 17m
American Airlines
Deal found 6/25![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/245:31 pm
TYS
- FSD
1 stop5h 27m
American Airlines
Fri 7/315:34 pm
FSD
- TYS
1 stop5h 17m
American Airlines
Deal found 6/24![American Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/247:04 pm
TYS
- FSD
1 stop22h 06m
Allegiant Air
Fri 7/319:54 am
FSD
- TYS
2 stops35h 07m
Allegiant Air
Deal found 6/24![Allegiant Air logo]()
$492
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/267:02 am
TYS
- FSD
1 stop5h 28m
American Airlines
Sun 8/25:34 pm
FSD
- TYS
1 stop5h 17m
American Airlines
Deal found 6/26![American Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sun 7/267:15 am
TYS
- FSD
2 stops26h 49m
Allegiant Air
Sun 8/26:36 pm
FSD
- TYS
1 stop27h 57m
Allegiant Air
Deal found 6/26![Allegiant Air logo]()
$529
One-way flights from Knoxville to South DakotaSearch for one-way flight options from Knoxville to South Dakota. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Knoxville to South Dakota. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/303:38 pm
TYS
- RAP
3 stops49h 11m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$221
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 am
TYS
- RAP
1 stop7h 41m
Delta
Deal found 6/23![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/1610:54 am
TYS
- RAP
3 stops57h 55m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/84:56 pm
TYS
- RAP
1 stop5h 28m
United Airlines
Deal found 6/23![United Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 6/25. 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 8/95:00 am
TYS
- RAP
2 stops8h 15m
American Airlines
Deal found 6/25![American Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Sun 9/205:38 pm
TYS
- RAP
3 stops28h 41m
Allegiant Air
Deal found 6/24![Allegiant Air logo]()
$382
Find flight deals from Knoxville to South Dakota
Keep the following information in mind while searching for Knoxville to South Dakota flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (United Airlines) |
One-way from | $221 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $850 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to South Dakota 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 June 27, 2026.
Use the filters below to find and compare flights from Knoxville to South Dakota that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleSioux Falls
TYS - FSD
TYSFSD
Knoxville McGhee Tyson
Fri 8/28
6:03 am-12:17 pm
1 stop7h 14m
Sioux Falls Joe Foss Field
Sun 8/30
12:57 pm-7:35 pm
1 stop5h 38m
$309
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Sat 8/15
7:00 am-10:26 am
1 stop5h 26m
Rapid City
Wed 8/19
1:30 pm-8:53 pm
1 stop5h 23m
$336
Quickest round-trip
KnoxvilleSioux Falls
TYS - FSD
TYSFSD
Knoxville McGhee Tyson
Fri 7/24
5:31 pm-9:58 pm
1 stop5h 27m
Sioux Falls Joe Foss Field
Fri 7/31
5:34 pm-11:51 pm
1 stop5h 17m
$384
KnoxvilleSioux Falls
TYS - FSD
TYSFSD
Knoxville McGhee Tyson
Wed 8/26
6:02 pm-11:22 pm
1 stop6h 20m
Sioux Falls Joe Foss Field
Sat 8/29
3:08 pm-8:53 pm
1 stop4h 45m
$385
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Wed 7/8
4:56 pm-8:38 pm
1 stop5h 42m
Rapid City
Sun 7/12
1:35 pm-8:48 pm
1 stop5h 13m
$413
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Wed 7/8
1:00 pm-9:31 pm
2 stops10h 31m
Rapid City
Sat 7/11
3:26 pm-10:33 pm
1 stop5h 07m
$440
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Tue 8/18
3:40 pm-10:28 pm
2 stops8h 48m
Rapid City
Fri 8/28
11:22 am-11:59 pm
2 stops10h 37m
$480
KnoxvilleSioux Falls
TYS - FSD
TYSFSD
Knoxville McGhee Tyson
Thu 7/2
5:31 pm-9:58 pm
1 stop5h 27m
Sioux Falls Joe Foss Field
Fri 7/3
12:01 pm-11:51 pm
2 stops10h 50m
$517
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Thu 9/3
7:00 am-10:26 am
1 stop5h 26m
Rapid City
Mon 9/7
1:31 pm-8:53 pm
1 stop5h 22m
$541
KnoxvilleRapid City
TYS - RAP
TYSRAP
Knoxville McGhee Tyson
Tue 9/22
8:00 am-5:37 pm
1 stop11h 37m
Rapid City
Sun 9/27
6:07 pm-10:50 am
1 stop14h 43m
$546
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Knoxville to South Dakota
Have a flexible travel schedule? Discover the best time to fly to South Dakota from Knoxville with our price prediction graph.
TYS-RAP
TYS-FSD
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 Knoxville to South Dakota
TYS-USSD
TYS-RAP
TYS-FSD
What is the cheapest month to book a flight from Knoxville to South Dakota?
Currently, September is the cheapest month in which you can book a flight from Knoxville to South Dakota (average of $248). Flying from Knoxville to South Dakota in June is currently the most expensive (average of $461). 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 South Dakota
Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated June 27, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Knoxville to South Dakota have to say. 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
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$473 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$339 | Average$448 | FlexibilityNo cancel fee | On-timeN/A |