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Cheap flights from Knoxville to Rapid City from $314

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 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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.
American Airlines Logo
5:56 am - 11:33 am
TYS
-
RAP
7h 37m1 stop
American Airlines Logo
5:57 am - 1:02 pm
RAP
-
TYS
5h 05m1 stop
$314American Airlines
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
4:25 pm - 8:32 pm
TYS
-
RAP
6h 07m1 stop
United Airlines Logo
7:00 am - 3:14 pm
RAP
-
TYS
6h 14m1 stop
$339United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
11:07 am - 5:12 pm
TYS
-
RAP
8h 05m2 stops
United Airlines Logo
7:00 am - 3:14 pm
RAP
-
TYS
6h 14m1 stop
$344United Airlines
Fri, Jan 23 - Tue, Jan 27
American Airlines Logo
4:28 pm - 9:20 pm
TYS
-
RAP
6h 52m1 stop
American Airlines Logo
2:08 pm - 10:47 pm
RAP
-
TYS
6h 39m1 stop
$345American Airlines
Mon, Jan 5 - Mon, Jan 12
United Airlines Logo
9:30 am - 8:32 pm
TYS
-
RAP
13h 02m2 stops
United Airlines Logo
7:00 am - 7:27 pm
RAP
-
TYS
10h 27m2 stops
$349United Airlines
Fri, Jan 23 - Tue, Jan 27
American Airlines Logo
8:44 pm - 11:14 am
TYS
-
RAP
16h 30m2 stops
American Airlines Logo
5:57 am - 1:02 pm
RAP
-
TYS
5h 05m1 stop
$362American Airlines
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
6:45 am - 10:30 am
TYS
-
RAP
5h 45m1 stop
United Airlines Logo
8:30 am - 8:52 pm
RAP
-
TYS
10h 22m2 stops
$394United Airlines
Mon, Jan 5 - Mon, Jan 12
American Airlines Logo
8:44 pm - 11:14 am
TYS
-
RAP
16h 30m2 stops
American Airlines Logo
11:46 am - 11:43 pm
RAP
-
TYS
9h 57m2 stops
$423American Airlines
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
9:50 am - 7:12 pm
TYS
-
RAP
11h 22m2 stops
United Airlines Logo
7:00 am - 8:52 pm
RAP
-
TYS
11h 52m2 stops
$460United Airlines
Mon, Jan 5 - Mon, Jan 12
American Airlines Logo
12:35 pm - 3:59 pm
TYS
-
RAP
5h 24m1 stop
American Airlines Logo
10:27 am - 5:35 pm
RAP
-
TYS
5h 08m1 stop
$665American Airlines
Fri, Jun 5 - Fri, Jun 12

Delta flights from Knoxville to Rapid City

Our best Delta deals on Knoxville to Rapid City flight tickets
Delta
Jun 5
TYS6:45 amKnoxville McGhee Tyson
5h 13m
1 stop
RAP9:58 amRapid City
Jun 12
RAP2:25 pmRapid City
7h 21m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
$814
Find similar
Delta
Jun 5
TYS5:15 pmKnoxville McGhee Tyson
6h 43m
2 stops
RAP9:58 pmRapid City
Jun 12
RAP2:25 pmRapid City
7h 21m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
$1,008
Find similar
Delta
May 22
TYS5:30 amKnoxville McGhee Tyson
11h 40m
2 stops
RAP3:10 pmRapid City
May 25
RAP6:20 amRapid City
9h 55m
2 stops
TYS6:15 pmKnoxville McGhee Tyson
$1,730
Find similar

American Airlines flights from Knoxville to Rapid City

Our best American Airlines deals on Knoxville to Rapid City flight tickets
American Airlines
Apr 14
TYS5:56 amKnoxville McGhee Tyson
7h 37m
1 stop
RAP11:33 amRapid City
Apr 22
RAP5:57 amRapid City
5h 05m
1 stop
TYS1:02 pmKnoxville McGhee Tyson
$314
Find similar
American Airlines
Jan 5
TYS4:28 pmKnoxville McGhee Tyson
6h 52m
1 stop
RAP9:20 pmRapid City
Jan 12
RAP2:08 pmRapid City
6h 39m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
$345
Find similar
American Airlines
Apr 14
TYS8:44 pmKnoxville McGhee Tyson
16h 30m
2 stops
RAP11:14 amRapid City
Apr 22
RAP5:57 amRapid City
5h 05m
1 stop
TYS1:02 pmKnoxville McGhee Tyson
$362
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 December 9, 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

Tue 4/14

5:56 am-11:33 am

1 stop7h 37m

Rapid City

Wed 4/22

5:57 am-1:02 pm

1 stop5h 05m

$314

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 1/23

4:25 pm-8:32 pm

1 stop6h 07m

Rapid City

Tue 1/27

7:00 am-3:14 pm

1 stop6h 14m

$339

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 1/23

11:07 am-5:12 pm

2 stops8h 05m

Rapid City

Tue 1/27

7:00 am-3:14 pm

1 stop6h 14m

$344

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Mon 1/5

4:28 pm-9:20 pm

1 stop6h 52m

Rapid City

Mon 1/12

2:08 pm-10:47 pm

1 stop6h 39m

$345

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 1/23

9:30 am-8:32 pm

2 stops13h 02m

Rapid City

Tue 1/27

7:00 am-7:27 pm

2 stops10h 27m

$349

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Tue 4/14

8:44 pm-11:14 am

2 stops16h 30m

Rapid City

Wed 4/22

5:57 am-1:02 pm

1 stop5h 05m

$362

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Mon 1/5

6:45 am-10:30 am

1 stop5h 45m

Rapid City

Mon 1/12

8:30 am-8:52 pm

2 stops10h 22m

$394

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Tue 4/14

8:44 pm-11:14 am

2 stops16h 30m

Rapid City

Wed 4/22

11:46 am-11:43 pm

2 stops9h 57m

$423

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Mon 1/5

9:50 am-7:12 pm

2 stops11h 22m

Rapid City

Mon 1/12

7:00 am-8:52 pm

2 stops11h 52m

$460

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 6/5

12:35 pm-3:59 pm

1 stop5h 24m

Rapid City

Fri 6/12

10:27 am-5:35 pm

1 stop5h 08m

$665

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 cheapest month to fly to Rapid City?

The month of February is, on average, the cheapest month to fly to Rapid City from Knoxville, with most prices found around $279. If you aren’t able to travel to Rapid City during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $316.

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

Fastest flight time

5h 45m

Direct flights

None
The fastest flight from Knoxville to Rapid City takes 5h 45m
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 13m, 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
11,045 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,089 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
Custer
Spearfish
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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