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South Dakota

$129+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — RAP
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
1 adult, Economy
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Cheap 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 May 8, 2026.

This Delta deal was found by Cheapflights users on 5/6. 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 10/156:15 pm
TYS
-
FSD
1 stop5h 36m
Delta
Tue 10/205:25 am
FSD
-
TYS
1 stop4h 41m
Delta
Deal found 5/6$307
This Delta deal was found by Cheapflights users on 5/5. 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 6/45:40 am
TYS
-
RAP
2 stops10h 04m
Delta
Thu 6/112:59 pm
RAP
-
TYS
1 stop6h 02m
Delta
Deal found 5/5$310
This Delta deal was found by Cheapflights users on 5/7. 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 8/286:30 am
TYS
-
FSD
1 stop7h 08m
Delta
Sun 8/305:20 am
FSD
-
TYS
1 stop7h 14m
Delta
Deal found 5/7$319
This Delta deal was found by Cheapflights users on 5/7. 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.
Sat 8/296:00 am
TYS
-
FSD
2 stops7h 38m
Delta
Mon 8/3110:58 am
FSD
-
TYS
1 stop4h 36m
Delta
Deal found 5/7$322
This Delta deal was found by Cheapflights users on 5/7. 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 8/286:30 am
TYS
-
FSD
1 stop7h 08m
Delta
Mon 8/315:15 am
FSD
-
TYS
2 stops7h 09m
Delta
Deal found 5/7$324
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/54:56 pm
TYS
-
RAP
1 stop5h 36m
United Airlines
Tue 9/81:33 pm
RAP
-
TYS
1 stop5h 15m
United Airlines
Deal found 5/5$334
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 8/157:30 am
TYS
-
RAP
1 stop5h 56m
Delta
Thu 8/204:30 pm
RAP
-
TYS
1 stop4h 30m
Delta
Deal found 5/4$335
This United Airlines deal was found by Cheapflights users on 5/5. 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 8/76:00 am
TYS
-
RAP
1 stop6h 24m
United Airlines
Mon 8/1012:35 pm
RAP
-
TYS
1 stop7h 44m
United Airlines
Deal found 5/5$372
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/22:41 pm
TYS
-
FSD
1 stop30h 09m
Multiple Airlines
Mon 8/3111:58 am
FSD
-
TYS
2 stops25h 37m
Multiple Airlines
Deal found 5/7$373
This American Airlines deal was found by Cheapflights users on 5/7. 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 8/296:00 am
TYS
-
FSD
1 stop6h 46m
American Airlines
Mon 8/3112:27 pm
FSD
-
TYS
1 stop8h 26m
American Airlines
Deal found 5/7$381
This United Airlines deal was found by Cheapflights users on 5/6. 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 8/195:57 pm
TYS
-
FSD
1 stop4h 55m
United Airlines
Sat 8/223:08 pm
FSD
-
TYS
1 stop4h 40m
United Airlines
Deal found 5/6$385
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Sat 7/116:00 am
TYS
-
RAP
1 stop10h 49m
Allegiant Air
Sat 7/183:39 pm
RAP
-
TYS
1 stop29h 24m
Allegiant Air
Deal found 5/7$417

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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Delta)

One-way from

$129
(Delta)

Popular in

September

Cheapest in

February

Average price

$374
Provider with most accurate pricing for Knoxville McGhee Tyson-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Sioux Falls Joe Foss Field flights.
Search Deals
From Knoxville McGhee Tyson to South Dakota
Search Deals
One-way flight from Knoxville McGhee Tyson to South Dakota
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 8, 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

Price

Cheapest round-trip

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Thu 10/15

6:15 pm-10:51 pm

1 stop5h 36m

Sioux Falls Joe Foss Field

Tue 10/20

4:09 pm-11:02 pm

1 stop5h 53m

$307

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Sat 8/29

6:00 am-12:38 pm

2 stops7h 38m

Sioux Falls Joe Foss Field

Mon 8/31

10:58 am-4:34 pm

1 stop4h 36m

$322

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Thu 6/4

5:40 am-1:44 pm

2 stops10h 04m

Rapid City

Thu 6/11

11:07 am-9:41 pm

2 stops8h 34m

$362

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Wed 8/19

5:57 pm-9:52 pm

1 stop4h 55m

Sioux Falls Joe Foss Field

Sat 8/22

11:17 am-4:59 pm

1 stop4h 42m

$385
Quickest round-trip

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Wed 8/26

5:57 pm-9:52 pm

1 stop4h 55m

Sioux Falls Joe Foss Field

Sat 8/29

3:08 pm-8:48 pm

1 stop4h 40m

$385

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 9/9

5:37 pm-9:58 pm

1 stop6h 21m

Rapid City

Mon 9/14

6:11 pm-3:55 pm

1 stop19h 44m

$492

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Thu 6/25

5:37 am-9:49 am

1 stop6h 12m

Rapid City

Sat 7/4

12:41 pm-10:33 pm

1 stop7h 52m

$493

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 9/9

5:37 pm-9:58 pm

1 stop6h 21m

Rapid City

Sun 9/13

12:48 pm-9:15 pm

1 stop6h 27m

$547

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 6/19

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Mon 6/22

1:35 pm-8:56 pm

1 stop5h 21m

$586

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 5/30

6:02 pm-9:37 pm

1 stop5h 35m

Rapid City

Sat 7/25

1:35 pm-10:34 pm

1 stop6h 59m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 $203). Flying from Knoxville to South Dakota in December is currently the most expensive (average of $343). 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 Knoxville to South Dakota?

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 May 8, 2026.
See what other customers who have flown with 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.
United Airlines
7.4
Good
9,694 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,694 reviews
United Airlines
7.4
Good
9,694 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,694 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

  • How long is the flight from Knoxville to South Dakota?

    Delta and American Airlines can get you from Knoxville to South Dakota in just under 5h 36m. Your travel time can differ by up to 45m. The distance from Knoxville to South Dakota is about 863 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $203). Flying from Knoxville to South Dakota in December is currently the most expensive (average of $343). 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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Alternative routes for Knoxville to South Dakota

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Top 2 airlines flying from Knoxville to South Dakota

Discover the top 2 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$456FlexibilityNo cancel feeOn-time69%

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