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South Dakota

$136+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FSD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$225
(FlightHub)

One-way from

$160
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$443
From Knoxville McGhee Tyson to South Dakota
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One-way flight from Knoxville McGhee Tyson to South Dakota
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Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Knoxville to South Dakota

Cheapest flights from Knoxville to South Dakota
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 July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:40 pmTYS - FSD
1 stop18h 29mFrontier
Sun 9/142:54 pmFSD - TYS
1 stop27h 51mFrontier
Deal found 7/28$225
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 9/116:00 pmTYS - FSD
1 stop5h 44mDelta
Sun 9/145:00 amFSD - TYS
2 stops7h 07mDelta
Deal found 7/28$254
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/1512:35 pmTYS - RAP
1 stop5h 28mAmerican Airlines
Sat 10/184:58 pmRAP - TYS
1 stop5h 25mAmerican Airlines
Deal found 7/28$259
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 9/191:52 pmTYS - RAP
2 stops10h 38mDelta
Tue 9/2311:00 amRAP - TYS
2 stops10h 44mDelta
Deal found 7/30$269
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:30 amTYS - RAP
1 stop10h 08mAllegiant Air
Sun 8/1710:00 pmRAP - TYS
1 stop13h 39mAllegiant Air
Deal found 7/29$273
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/167:00 amTYS - RAP
1 stop5h 20mUnited Airlines
Tue 8/196:30 amRAP - TYS
1 stop4h 55mUnited Airlines
Deal found 7/28$274
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/316:29 pmTYS - FSD
1 stop6h 30mAmerican Airlines
Sat 8/24:29 pmFSD - TYS
1 stop5h 06mAmerican Airlines
Deal found 7/27$339
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:15 pmTYS - RAP
3 stops30h 55mMultiple Airlines
Sun 8/1710:00 pmRAP - TYS
1 stop13h 39mMultiple Airlines
Deal found 7/29$480

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 July 30, 2025.
Use the filters below to find and compare flights from Knoxville to South Dakota that are best for you.

Fly from

Knoxville

Fly to

South Dakota

Route

Depart

Return

Price

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Thu 9/11

8:40 pm-2:09 pm

1 stop18h 29m

Sioux Falls Joe Foss Field

Sun 9/14

2:54 pm-7:45 pm

1 stop27h 51m

$225

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Thu 9/11

6:00 pm-10:44 pm

1 stop5h 44m

Sioux Falls Joe Foss Field

Sun 9/14

5:00 am-1:07 pm

2 stops7h 07m

$254

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 9/19

4:37 pm-8:53 pm

1 stop6h 16m

Rapid City

Tue 9/23

5:00 pm-12:21 am

1 stop5h 21m

$259

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 9/19

1:52 pm-10:30 pm

2 stops10h 38m

Rapid City

Tue 9/23

11:00 am-11:44 pm

2 stops10h 44m

$269

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 8/13

8:30 am-4:38 pm

1 stop10h 08m

Rapid City

Sun 8/17

10:00 pm-1:39 pm

1 stop13h 39m

$273

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Mon 10/6

6:00 am-12:47 pm

1 stop7h 47m

Sioux Falls Joe Foss Field

Sun 10/12

6:00 am-12:31 pm

1 stop5h 31m

$366

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 8/13

8:30 am-4:38 pm

1 stop10h 08m

Rapid City

Fri 8/15

5:27 pm-6:25 pm

2 stops22h 58m

$384

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 10/11

7:00 am-10:13 am

1 stop5h 13m

Rapid City

Sat 10/18

11:15 am-10:50 pm

2 stops9h 35m

$408

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Sun 8/31

6:14 pm-11:06 pm

1 stop5h 52m

$136

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Thu 8/28

3:24 pm-8:38 am

2 stops18h 14m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results
1
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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.
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

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 $334). Flying from Knoxville to South Dakota in December is currently the most expensive (average of $446). 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.

What is the cheapest time of day to fly from TYS to SD?

Find hourly flight availability from Knoxville to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to South Dakota as you normally would.

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 July 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
703 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,237 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to South Dakota?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly out of when you book flights from Knoxville to South Dakota.

  • What are the cheapest airlines to fly from Knoxville to South Dakota one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $166. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Knoxville to South Dakota for a low price.

  • Can I find deals for flights from Knoxville to South Dakota that include hotel bookings?

    Yes. In addition to deals on Knoxville to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to South Dakota?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to South Dakota.

  • Can I find deals for business class flights from Knoxville to South Dakota?

    Yes. Cheapflights offers flight deals from Knoxville to South Dakota by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $334). Flying from Knoxville to South Dakota in December is currently the most expensive (average of $446). 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.

See more FAQs

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Top 3 airlines flying from Knoxville to South Dakota

Discover the top 3 airlines that operate flights from Knoxville to South Dakota. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$443FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$275Average$525FlexibilityNo cancel feeOn-time69%

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