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Rapid City

$261+ Cheap flights from Knoxville to Rapid City (TYS - RAP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — RAP
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 10/146:57 pm
TYS
-
RAP
1 stop5h 33m
Delta
Tue 10/204:38 pm
RAP
-
TYS
1 stop4h 34m
Delta
Deal found 7/23$261
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/45:01 pm
TYS
-
RAP
1 stop7h 07m
United Airlines
Sun 11/87:00 am
RAP
-
TYS
1 stop6h 59m
United Airlines
Deal found 7/21$285
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:57 pm
TYS
-
RAP
1 stop5h 33m
Delta
Mon 10/192:32 pm
RAP
-
TYS
1 stop6h 40m
Delta
Deal found 7/20$319

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Delta)

Popular in

December

Cheapest in

October

Average price

$500
Provider with most accurate pricing for Knoxville McGhee Tyson-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Rapid City flights.
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From Knoxville McGhee Tyson to Rapid City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 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

Wed 10/14

6:57 pm-10:30 pm

1 stop5h 33m

Rapid City

Tue 10/20

11:41 am-10:27 pm

2 stops8h 46m

$262

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 11/4

5:01 pm-10:08 pm

1 stop7h 07m

Rapid City

Sun 11/8

7:00 am-3:59 pm

1 stop6h 59m

$285
Quickest round-trip

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Thu 10/15

5:18 pm-10:30 pm

2 stops7h 12m

Rapid City

Mon 10/19

2:32 pm-11:12 pm

1 stop6h 40m

$324
Cheapest one-way

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sun 8/9

7:15 am-1:32 pm

1 stop8h 17m

$304
Quickest one-way

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/8

6:35 am-10:02 am

1 stop5h 27m

$371

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/8

7:15 am-7:24 pm

2 stops14h 09m

$381

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sun 8/9

3:41 pm-10:04 pm

2 stops8h 23m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Sorted by cheapest first

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 July.
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, October is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $366). 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?

Airfare is below average for this route at the moment.

Knoxville to Rapid City flights typically cost between $394 and $580 in October.
The cheapest round-trip price found within the last 5 days was $261 on Delta (Oct 14-Oct 20).

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 July 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
10,026 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,026 reviews
United Airlines
7.4
Good
10,026 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,842 reviews
United Airlines
7.4
Good
10,026 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 33m. The distance between Knoxville and Rapid City is about 1155 mi.

  • 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 50% 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, October is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $366). 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$526FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$287Average$550FlexibilityNo cancel feeOn-time69%

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