What is the cheapest airline that flies from Knoxville McGhee Tyson to South Dakota?

Allegiant Air, American Airlines, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to South Dakota

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to South Dakota?

Prices for flights from Knoxville McGhee Tyson Airport to South Dakota were last updated today.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to South Dakota?

There are 2 operators available for flights from Knoxville McGhee Tyson Airport to South Dakota as of June 2026.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to South Dakota?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$128 Cheap Flights from Knoxville to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 pm - 10:37 pm

TYS

RAP

6h 12m

1 stop

2:32 pm - 11:00 pm

RAP

TYS

6h 28m

1 stop

$288Delta

Wed, Aug 12 - Sun, Aug 16

4:20 pm - 9:01 am

TYS

RAP

18h 41m

1 stop

10:06 pm - 1:57 pm

RAP

TYS

13h 51m

1 stop

$297Allegiant Air

Tue, Aug 4 - Thu, Aug 6

7:00 am - 10:26 am

TYS

RAP

5h 26m

1 stop

1:31 pm - 8:53 pm

RAP

TYS

5h 22m

1 stop

$304United Airlines

Wed, Sep 2 - Sun, Sep 6

7:00 am - 10:26 am

TYS

RAP

5h 26m

1 stop

12:30 pm - 10:29 pm

RAP

TYS

7h 59m

1 stop

$316United Airlines

Wed, Aug 19 - Sun, Aug 23

4:38 pm - 7:59 pm

TYS

FSD

4h 21m

1 stop

5:30 am - 11:11 am

FSD

TYS

4h 41m

1 stop

$319Delta

Fri, Aug 28 - Sun, Aug 30

4:38 pm - 7:59 pm

TYS

FSD

4h 21m

1 stop

5:30 am - 11:11 am

FSD

TYS

4h 41m

1 stop

$324Delta

Fri, Aug 28 - Sun, Aug 30

7:00 am - 10:26 am

TYS

RAP

5h 26m

1 stop

1:30 pm - 8:53 pm

RAP

TYS

5h 23m

1 stop

$336United Airlines

Sat, Aug 15 - Wed, Aug 19

7:00 am - 10:26 am

TYS

RAP

5h 26m

1 stop

5:00 am - 4:58 pm

RAP

TYS

9h 58m

2 stops

$345United Airlines

Wed, Sep 2 - Sun, Sep 6

1:46 pm - 8:31 pm

TYS

FSD

7h 45m

1 stop

6:24 am - 12:51 pm

FSD

TYS

5h 27m

1 stop

$378American Airlines

Fri, Aug 28 - Sun, Aug 30

5:31 pm - 9:58 pm

TYS

FSD

5h 27m

1 stop

5:34 pm - 11:51 pm

FSD

TYS

5h 17m

1 stop

$386American Airlines

Mon, Jul 27 - Sat, Aug 1

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Allegiant Air flights from Knoxville to South Dakota

Our best Allegiant Air deals on Knoxville to South Dakota flight tickets

Allegiant Air

Aug 4

TYS4:20 pmKnoxville McGhee Tyson

18h 41m

1 stop

RAP9:01 amRapid City

Aug 6

RAP10:06 pmRapid City

13h 51m

1 stop

TYS1:57 pmKnoxville McGhee Tyson

$297

Allegiant Air

Jul 10

TYS7:04 pmKnoxville McGhee Tyson

23h 20m

1 stop

FSD5:24 pmSioux Falls Joe Foss Field

Jul 12

FSD6:36 pmSioux Falls Joe Foss Field

19h 22m

1 stop

TYS2:58 pmKnoxville McGhee Tyson

$381

Allegiant Air

Jun 29

TYS10:03 pmKnoxville McGhee Tyson

15h 21m

1 stop

FSD12:24 pmSioux Falls Joe Foss Field

Jul 3

FSD11:41 amSioux Falls Joe Foss Field

21h 16m

2 stops

TYS9:57 amKnoxville McGhee Tyson

$408

American Airlines flights from Knoxville to South Dakota

Our best American Airlines deals on Knoxville to South Dakota flight tickets

American Airlines

Aug 28

TYS11:40 amKnoxville McGhee Tyson

6h 13m

1 stop

FSD4:53 pmSioux Falls Joe Foss Field

Aug 30

FSD6:24 amSioux Falls Joe Foss Field

5h 27m

1 stop

TYS12:51 pmKnoxville McGhee Tyson

$378

American Airlines

Aug 28

TYS7:34 amKnoxville McGhee Tyson

5h 02m

1 stop

FSD11:36 amSioux Falls Joe Foss Field

Aug 30

FSD12:57 pmSioux Falls Joe Foss Field

7h 56m

1 stop

TYS9:53 pmKnoxville McGhee Tyson

$394

American Airlines

Aug 10

TYS11:40 amKnoxville McGhee Tyson

5h 10m

1 stop

RAP2:50 pmRapid City

Aug 15

RAP1:16 pmRapid City

5h 42m

1 stop

TYS8:58 pmKnoxville McGhee Tyson

$399

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 8/12

6:25 pm-10:37 pm

1 stop6h 12m

Rapid City

Sun 8/16

2:32 pm-11:00 pm

1 stop6h 28m

$288

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Tue 8/4

4:20 pm-9:01 am

1 stop18h 41m

Rapid City

Thu 8/6

10:06 pm-1:57 pm

1 stop13h 51m

$297

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 9/2

7:00 am-10:26 am

1 stop5h 26m

Rapid City

Sun 9/6

1:31 pm-8:53 pm

1 stop5h 22m

$304

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 8/19

7:00 am-10:26 am

1 stop5h 26m

Rapid City

Sun 8/23

12:30 pm-10:29 pm

1 stop7h 59m

$316

Quickest round-trip

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Fri 8/28

4:38 pm-7:59 pm

1 stop4h 21m

Sioux Falls Joe Foss Field

Sun 8/30

5:30 am-11:11 am

1 stop4h 41m

$319

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Fri 8/28

4:38 pm-7:59 pm

1 stop4h 21m

Sioux Falls Joe Foss Field

Sun 8/30

5:30 am-11:11 am

1 stop4h 41m

$324

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

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 9/2

7:00 am-10:26 am

1 stop5h 26m

Rapid City

Sun 9/6

5:00 am-4:58 pm

2 stops9h 58m

$345

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Fri 8/28

1:46 pm-8:31 pm

1 stop7h 45m

Sioux Falls Joe Foss Field

Sun 8/30

6:24 am-12:51 pm

1 stop5h 27m

$378

KnoxvilleSioux Falls

TYS - FSD

TYSFSD

Knoxville McGhee Tyson

Mon 7/27

5:31 pm-9:58 pm

1 stop5h 27m

Sioux Falls Joe Foss Field

Sat 8/1

5:34 pm-11:51 pm

1 stop5h 17m

$386

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to South Dakota

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to South Dakota?

The month of September is, on average, the cheapest month to fly to South Dakota from Knoxville, with most prices found around $203. If you aren’t able to travel to South Dakota during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $268.

Can stopping save me money on Knoxville to South Dakota flights?

You could potentially save up to 31% on your flight if you consider stops on a Knoxville to South Dakota flight.

Cheap Knoxville to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to South Dakota

Fastest flight time	4h 21m
Direct flights	None

The fastest flight from Knoxville to South Dakota takes 4h 21m

There are no direct flights from Knoxville to South Dakota. There are no popular flight routes from Knoxville to South Dakota.

Search flight deals

Frequently asked questions about flying from Knoxville to South Dakota

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to South Dakota?
Prices for flights from Knoxville McGhee Tyson Airport to South Dakota were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to South Dakota?
There are 2 operators available for flights from Knoxville McGhee Tyson Airport to South Dakota as of June 2026.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to South Dakota?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Knoxville to South Dakota

Compare and see reviews for airlines that fly from Knoxville to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.1 11,640 reviews		Search American Airlines flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 9,796 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to South Dakota?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to South Dakota. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to South Dakota with flexible booking policies on momondo?

momondo does allow users to show only those flights to South Dakota from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to South Dakota?

Once you have performed a search for Knoxville to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Knoxville to South Dakota right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to South Dakota from Knoxville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.