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Cheap flights from Knoxville to Rapid City from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Rapid City departing on 7/8. 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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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.
Delta Logo
5:40 am - 1:44 pm
TYS
-
RAP
10h 04m
2 stops
Delta Logo
2:59 pm - 11:01 pm
RAP
-
TYS
6h 02m
1 stop
$310Delta
Thu, Jun 4 - Thu, Jun 11
United Airlines Logo
4:56 pm - 8:32 pm
TYS
-
RAP
5h 36m
1 stop
United Airlines Logo
1:33 pm - 8:48 pm
RAP
-
TYS
5h 15m
1 stop
$334United Airlines
Sat, Sep 5 - Tue, Sep 8
Delta Logo
7:30 am - 11:26 am
TYS
-
RAP
5h 56m
1 stop
Delta Logo
4:30 pm - 11:00 pm
RAP
-
TYS
4h 30m
1 stop
$335Delta
Sat, Aug 15 - Thu, Aug 20
Delta Logo
5:40 am - 1:44 pm
TYS
-
RAP
10h 04m
2 stops
Delta Logo
11:07 am - 9:41 pm
RAP
-
TYS
8h 34m
2 stops
$362Delta
Thu, Jun 4 - Thu, Jun 11
Delta Logo
6:45 am - 10:18 am
TYS
-
RAP
5h 33m
1 stop
Delta Logo
12:32 pm - 8:10 pm
RAP
-
TYS
5h 38m
1 stop
$368Delta
Sat, Aug 1 - Sat, Aug 8
United Airlines Logo
6:00 am - 10:24 am
TYS
-
RAP
6h 24m
1 stop
United Airlines Logo
12:35 pm - 10:19 pm
RAP
-
TYS
7h 44m
1 stop
$372United Airlines
Fri, Aug 7 - Mon, Aug 10
United Airlines Logo
4:56 pm - 8:32 pm
TYS
-
RAP
5h 36m
1 stop
United Airlines Logo
5:00 am - 4:59 pm
RAP
-
TYS
9h 59m
2 stops
$390United Airlines
Sat, Sep 5 - Tue, Sep 8
Delta Logo
7:30 am - 11:26 am
TYS
-
RAP
5h 56m
1 stop
Delta Logo
6:48 am - 5:19 pm
RAP
-
TYS
8h 31m
2 stops
$403Delta
Sat, Aug 15 - Thu, Aug 20
Allegiant Air Logo
6:00 am - 2:58 pm
TYS
-
RAP
10h 58m
1 stop
Allegiant Air Logo
3:48 pm - 10:47 pm
RAP
-
TYS
28h 59m
1 stop
$424Allegiant Air
Sat, Jun 20 - Sat, Jun 27
Allegiant Air Logo
6:00 am - 2:58 pm
TYS
-
RAP
10h 58m
1 stop
Allegiant Air Logo
3:48 pm - 12:46 pm
RAP
-
TYS
42h 58m
2 stops
$444Allegiant Air
Sat, Jun 20 - Sat, Jun 27

Allegiant Air flights from Knoxville to Rapid City

Our best Allegiant Air deals on Knoxville to Rapid City flight tickets
Allegiant Air
Jun 20
TYS6:00 amKnoxville McGhee Tyson
10h 58m
1 stop
RAP2:58 pmRapid City
Jun 27
RAP3:48 pmRapid City
28h 59m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
$424
Allegiant Air
Jun 20
TYS6:00 amKnoxville McGhee Tyson
10h 58m
1 stop
RAP2:58 pmRapid City
Jun 27
RAP3:48 pmRapid City
42h 58m
2 stops
TYS12:46 pmKnoxville McGhee Tyson
$444
Allegiant Air
Jun 30
TYS4:45 pmKnoxville McGhee Tyson
18h 05m
1 stop
RAP8:50 amRapid City
Jul 9
RAP9:50 pmRapid City
46h 06m
2 stops
TYS9:56 pmKnoxville McGhee Tyson
$495

Delta flights from Knoxville to Rapid City

Our best Delta deals on Knoxville to Rapid City flight tickets
Delta
Jun 4
TYS5:40 amKnoxville McGhee Tyson
10h 04m
2 stops
RAP1:44 pmRapid City
Jun 11
RAP2:59 pmRapid City
6h 02m
1 stop
TYS11:01 pmKnoxville McGhee Tyson
$310
Delta
Aug 15
TYS7:30 amKnoxville McGhee Tyson
5h 56m
1 stop
RAP11:26 amRapid City
Aug 20
RAP4:30 pmRapid City
4h 30m
1 stop
TYS11:00 pmKnoxville McGhee Tyson
$335
Delta
Jun 4
TYS5:40 amKnoxville McGhee Tyson
10h 04m
2 stops
RAP1:44 pmRapid City
Jun 11
RAP11:07 amRapid City
8h 34m
2 stops
TYS9:41 pmKnoxville McGhee Tyson
$362

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 May 7, 2026.
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

Cheapest round-trip

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

2:59 pm-11:01 pm

1 stop6h 02m

$310

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 9/5

4:56 pm-8:32 pm

1 stop5h 36m

Rapid City

Tue 9/8

1:33 pm-8:48 pm

1 stop5h 15m

$334
Quickest round-trip

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/15

7:30 am-11:26 am

1 stop5h 56m

Rapid City

Thu 8/20

4:30 pm-11:00 pm

1 stop4h 30m

$335

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

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/1

6:45 am-10:18 am

1 stop5h 33m

Rapid City

Sat 8/8

12:32 pm-8:10 pm

1 stop5h 38m

$368

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 8/7

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Mon 8/10

12:35 pm-10:19 pm

1 stop7h 44m

$372

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 9/5

4:56 pm-8:32 pm

1 stop5h 36m

Rapid City

Tue 9/8

5:00 am-4:59 pm

2 stops9h 59m

$390

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/15

7:30 am-11:26 am

1 stop5h 56m

Rapid City

Thu 8/20

6:48 am-5:19 pm

2 stops8h 31m

$403

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 6/20

6:00 am-2:58 pm

1 stop10h 58m

Rapid City

Sat 6/27

3:48 pm-10:47 pm

1 stop28h 59m

$424

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 6/20

6:00 am-2:58 pm

1 stop10h 58m

Rapid City

Sat 6/27

3:48 pm-12:46 pm

2 stops42h 58m

$444

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 month to fly to Rapid City?

The month of September is, on average, the cheapest month to fly to Rapid City from Knoxville, with most prices found around $338. If you aren’t able to travel to Rapid City during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $394.

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 36m

Direct flights

None
The fastest flight from Knoxville to Rapid City takes 5h 36m
There are no direct flights from Knoxville to Rapid City. There are no popular flight routes from Knoxville to Rapid City.
Search flight deals

Frequently asked questions about flying from Knoxville to Rapid City

  • 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 36m, 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
7.1
11,669 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,690 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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