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Rapid City

$158+ Cheap flights from Knoxville to Rapid City (TYS - RAP)

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — RAP
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Cheap flight deals from Knoxville to Rapid City

Cheapest flights from Knoxville to Rapid City
Explore the most affordable flight options available from Knoxville to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This Delta deal was found by Cheapflights users on 4/23. 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 6/53:05 pm
TYS
-
RAP
2 stops9h 19m
Delta
Mon 6/154:30 pm
RAP
-
TYS
1 stop4h 31m
Delta
Deal found 4/23$310
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 4/294:09 pm
TYS
-
RAP
1 stop7h 49m
American Airlines
Sat 5/211:53 am
RAP
-
TYS
1 stop7h 28m
American Airlines
Deal found 4/20$345
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/64:20 pm
TYS
-
RAP
1 stop6h 08m
United Airlines
Sun 5/102:35 pm
RAP
-
TYS
1 stop5h 48m
United Airlines
Deal found 4/21$356
This Delta deal was found by Cheapflights users on 4/23. 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 5/85:40 am
TYS
-
RAP
2 stops6h 52m
Delta
Tue 5/122:36 pm
RAP
-
TYS
2 stops7h 20m
Delta
Deal found 4/23$366
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 7/146:30 am
TYS
-
RAP
1 stop5h 54m
United Airlines
Wed 7/227:00 am
RAP
-
TYS
1 stop6h 53m
United Airlines
Deal found 4/20$368
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 4/264:30 pm
TYS
-
RAP
1 stop6h 14m
United Airlines
Tue 4/285:20 am
RAP
-
TYS
1 stop7h 46m
United Airlines
Deal found 4/22$378
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/84:20 pm
TYS
-
RAP
1 stop7h 35m
United Airlines
Tue 5/122:35 pm
RAP
-
TYS
1 stop5h 48m
United Airlines
Deal found 4/23$395

Find flight deals from Knoxville to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$310
(Delta)

One-way from

$158
(Delta)

Popular in

December

Cheapest in

September

Average price

$449
Provider with most accurate pricing for Knoxville McGhee Tyson-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Rapid City flights.
Search Deals
From Knoxville McGhee Tyson to Rapid City
Search Deals
One-way flight from Knoxville McGhee Tyson to Rapid City
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 24, 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

Fri 6/5

3:05 pm-10:24 pm

2 stops9h 19m

Rapid City

Mon 6/15

6:48 am-5:15 pm

2 stops8h 27m

$315

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 5/8

5:40 am-10:32 am

2 stops6h 52m

Rapid City

Tue 5/12

2:36 pm-11:56 pm

2 stops7h 20m

$366

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Tue 7/14

6:30 am-10:24 am

1 stop5h 54m

Rapid City

Wed 7/22

7:00 am-3:53 pm

1 stop6h 53m

$368

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 5/8

4:20 pm-9:55 pm

1 stop7h 35m

Rapid City

Tue 5/12

2:35 pm-10:23 pm

1 stop5h 48m

$395

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/1

6:00 am-11:28 am

1 stop7h 28m

Rapid City

Sat 8/8

12:30 pm-8:12 pm

1 stop5h 42m

$463

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Mon 5/4

4:20 pm-9:55 pm

1 stop7h 35m

Rapid City

Fri 5/8

2:35 pm-10:23 pm

1 stop5h 48m

$502

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 6/27

5:36 am-9:49 am

1 stop6h 13m

Rapid City

Sat 7/4

12:41 pm-10:39 pm

1 stop7h 58m

$567

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

11:20 am-12:35 am

2 stops11h 15m

$587

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 5/22

6:20 pm-11:19 am

1 stop18h 59m

Rapid City

Fri 5/29

3:23 pm-12:40 pm

1 stop19h 17m

$599
Quickest round-trip

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Thu 5/21

6:30 am-10:24 am

1 stop5h 54m

Rapid City

Thu 5/28

1:35 pm-8:56 pm

1 stop5h 21m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Rapid City in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City 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 Rapid City

What is the cheapest month to book a flight from Knoxville to Rapid City?

Currently, September is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $338). Flying from Knoxville to Rapid City in December is currently the most expensive (average of $703). 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 Rapid City?

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated April 24, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Knoxville to Rapid City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,643 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

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
9,643 reviews
United Airlines
7.4
Good
9,643 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

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
9,643 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

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 Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Rapid City?

    Departing from Knoxville to Rapid City will take you 5h 54m. The distance between Knoxville and Rapid City is about 1155 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Rapid City round-trip?

    American Airlines, at $258, was found to be the cheapest airline from Knoxville to Rapid City. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Knoxville to Rapid City for 46% less than the average price by searching for these airlines.

  • Can I find deals for flights from Knoxville to Rapid City that include hotel bookings?

    Yes. In addition to deals on Knoxville to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Rapid City.

  • Can I find deals for business class flights from Knoxville to Rapid City?

    Yes. Cheapflights offers flight deals from Knoxville to Rapid City 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 Rapid City?

    Currently, September is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $338). Flying from Knoxville to Rapid City in December is currently the most expensive (average of $703). 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

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Top 2 airlines flying from Knoxville to Rapid City

Discover the top 2 airlines that operate flights from Knoxville to Rapid City. 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$482FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$504FlexibilityNo cancel feeOn-time69%

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