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Cheap flights from Knoxville to Rapid City from $259

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Rapid City departing on 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Knoxville to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:45 am - 10:05 amTYS-RAP
5h 20m1 stop
Delta Logo
4:00 pm - 11:00 pmRAP-TYS
5h 00m1 stop
$259Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
7:30 am - 3:14 pmTYS-RAP
9h 44m2 stops
Delta Logo
4:00 pm - 11:00 pmRAP-TYS
5h 00m1 stop
$264Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
7:30 am - 3:14 pmTYS-RAP
9h 44m2 stops
Delta Logo
4:00 pm - 11:00 pmRAP-TYS
5h 00m1 stop
$279Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
7:30 am - 3:14 pmTYS-RAP
9h 44m2 stops
Delta Logo
10:40 am - 9:32 pmRAP-TYS
8h 52m2 stops
$319Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
6:29 am - 10:22 amTYS-RAP
5h 53m1 stop
Delta Logo
11:02 am - 11:28 pmRAP-TYS
10h 26m2 stops
$334Delta
Find Deal
Sun, Dec 7 - Sun, Dec 14
Delta Logo
7:30 am - 3:14 pmTYS-RAP
9h 44m2 stops
Delta Logo
10:40 am - 9:32 pmRAP-TYS
8h 52m2 stops
$354Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
4:22 pm - 9:16 pmTYS-RAP
6h 54m1 stop
American Airlines Logo
1:47 pm - 11:50 pmRAP-TYS
8h 03m1 stop
$775American Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
United Airlines Logo
11:00 am - 10:30 amTYS-RAP
25h 30m1 stop
United Airlines Logo
1:27 pm - 5:00 pmRAP-TYS
25h 33m1 stop
$826United Airlines
Find Deal
Sat, Dec 27 - Wed, Dec 31
United Airlines Logo
5:35 pm - 10:30 amTYS-RAP
18h 55m1 stop
United Airlines Logo
8:45 am - 10:56 amRAP-TYS
24h 11m2 stops
$891United Airlines
Find Deal
Sat, Dec 27 - Wed, Dec 31
United Airlines Logo
11:00 am - 7:12 pmTYS-RAP
10h 12m2 stops
United Airlines Logo
8:45 am - 10:56 amRAP-TYS
24h 11m2 stops
$1,009United Airlines
Find Deal
Sat, Dec 27 - Wed, Dec 31

Delta flights from Knoxville to Rapid City

Our best Delta deals on Knoxville to Rapid City flight tickets
Delta
Feb 21
TYS6:45 amKnoxville McGhee Tyson
5h 20m
1 stop
RAP10:05 amRapid City
Feb 25
RAP4:00 pmRapid City
5h 00m
1 stop
TYS11:00 pmKnoxville McGhee Tyson
$259
Find similar
Delta
Feb 21
TYS7:30 amKnoxville McGhee Tyson
9h 44m
2 stops
RAP3:14 pmRapid City
Feb 25
RAP4:00 pmRapid City
5h 00m
1 stop
TYS11:00 pmKnoxville McGhee Tyson
$264
Find similar
Delta
Feb 21
TYS7:30 amKnoxville McGhee Tyson
9h 44m
2 stops
RAP3:14 pmRapid City
Feb 25
RAP4:00 pmRapid City
5h 00m
1 stop
TYS11:00 pmKnoxville McGhee Tyson
$279
Find similar

United Airlines flights from Knoxville to Rapid City

Our best United Airlines deals on Knoxville to Rapid City flight tickets
United Airlines
Oct 24
TYS7:00 amKnoxville McGhee Tyson
5h 13m
1 stop
RAP10:13 amRapid City
Oct 27
RAP12:27 pmRapid City
8h 03m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
$379
Find similar
United Airlines
Oct 24
TYS8:50 amKnoxville McGhee Tyson
9h 10m
2 stops
RAP4:00 pmRapid City
Oct 27
RAP12:27 pmRapid City
8h 03m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
$384
Find similar
United Airlines
Dec 27
TYS11:00 amKnoxville McGhee Tyson
25h 30m
1 stop
RAP10:30 amRapid City
Dec 31
RAP1:27 pmRapid City
25h 33m
1 stop
TYS5:00 pmKnoxville McGhee Tyson
$826
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Rapid City 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Knoxville to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

6:45 am-10:05 am

1 stop5h 20m

Rapid City

Wed 2/25

4:00 pm-11:00 pm

1 stop5h 00m

$259

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

7:30 am-3:14 pm

2 stops9h 44m

Rapid City

Wed 2/25

4:00 pm-11:00 pm

1 stop5h 00m

$264

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

7:30 am-3:14 pm

2 stops9h 44m

Rapid City

Wed 2/25

4:00 pm-11:00 pm

1 stop5h 00m

$279

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

7:30 am-3:14 pm

2 stops9h 44m

Rapid City

Wed 2/25

10:40 am-9:32 pm

2 stops8h 52m

$319

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sun 12/7

6:29 am-10:22 am

1 stop5h 53m

Rapid City

Sun 12/14

11:02 am-11:28 pm

2 stops10h 26m

$334

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

7:30 am-3:14 pm

2 stops9h 44m

Rapid City

Wed 2/25

10:40 am-9:32 pm

2 stops8h 52m

$354

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sun 12/7

4:22 pm-9:16 pm

1 stop6h 54m

Rapid City

Sun 12/14

1:47 pm-11:50 pm

1 stop8h 03m

$775

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 12/27

11:00 am-10:30 am

1 stop25h 30m

Rapid City

Wed 12/31

1:27 pm-5:00 pm

1 stop25h 33m

$826

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 12/27

5:35 pm-10:30 am

1 stop18h 55m

Rapid City

Wed 12/31

8:45 am-10:56 am

2 stops24h 11m

$891

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 12/27

11:00 am-7:12 pm

2 stops10h 12m

Rapid City

Wed 12/31

8:45 am-10:56 am

2 stops24h 11m

$1,009

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from Knoxville to Rapid City

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

What is the typical price of a round-trip flight between Knoxville and Rapid City?

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Thursday is the cheapest day to fly to Rapid City from Knoxville. The lowest ticket price found for a Thursday departure recently was $315. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Sunday, with ticket prices averaging around $627.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the afternoon. Flights from Knoxville to Rapid City during this time can be as low as $349. Flights in the morning are often more expensive with an average ticket price of $448.

When to book flights from Knoxville to Rapid City

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Rapid City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Rapid City (TYS to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Rapid City

Direct flights

None
There are no direct flights from Knoxville to Rapid City. There are no popular flight routes from Knoxville to Rapid City.
Search flight deals

  • How far is Knoxville McGhee Tyson to Rapid City by plane?

    There are 1160.7 mi between Knoxville McGhee Tyson and Rapid City. Flights usually cover this in 5h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Rapid City Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Rapid City Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Rapid City Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Rapid City Airport?

    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 Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Rapid City?

Best airlines flying from Knoxville to Rapid City

Compare and see reviews for airlines that fly from Knoxville to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish
Custer
Hill City
Wall
Hot Springs

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Rapid City?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rapid City from Knoxville.

Can I find flights from Knoxville to Rapid City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to Rapid City flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to Rapid City?

Once all potential Knoxville to Rapid City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Rapid City, momondo offers a useful price alert feature which will track prices for flights to Rapid City from Knoxville and alert you when they change.

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