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$275+ Cheap flights from Rapid City to Knoxville (RAP - TYS)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — TYS
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Rapid City to Knoxville

Cheapest flights from Rapid City to Knoxville
Explore the most affordable flight options available from Rapid City to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Delta deal was found by Cheapflights users on 7/18. 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.
Sun 11/154:00 pm
RAP
-
TYS
1 stop5h 02m
Delta
Sun 11/226:15 pm
TYS
-
RAP
1 stop6h 24m
Delta
Deal found 7/18$319
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:31 pm
RAP
-
TYS
1 stop5h 22m
United Airlines
Sat 8/297:00 am
TYS
-
RAP
1 stop5h 26m
United Airlines
Deal found 7/20$336
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:31 pm
RAP
-
TYS
1 stop5h 22m
United Airlines
Sat 8/297:00 am
TYS
-
RAP
1 stop5h 26m
United Airlines
Deal found 7/20$370
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/612:35 pm
RAP
-
TYS
1 stop7h 44m
United Airlines
Mon 8/106:00 am
TYS
-
RAP
1 stop6h 24m
United Airlines
Deal found 7/22$379

Find flight deals from Rapid City to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Knoxville (TYS). 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$275
(Kiwi.com)
Provider with most accurate pricing for Rapid City-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Knoxville McGhee Tyson flights.
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From Rapid City to Knoxville McGhee Tyson
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One-way flight from Rapid City to Knoxville McGhee Tyson
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Knoxville 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 23, 2026.
Use the filters below to find and compare flights from Rapid City to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Wed 8/26

1:31 pm-8:53 pm

1 stop5h 22m

Knoxville McGhee Tyson

Sat 8/29

7:00 am-10:26 am

1 stop5h 26m

$336
Cheapest one-way

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Sun 8/9

10:06 pm-7:24 pm

2 stops19h 18m

$275
Quickest one-way

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Sun 8/9

12:35 pm-10:19 pm

1 stop7h 44m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Rapid City-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Knoxville 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 Rapid City-Knoxville 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 Rapid City to Knoxville

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

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown United Airlines from Rapid City to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,024 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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 Rapid City to Knoxville. 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 Rapid City to Knoxville?

    United Airlines can get you from Rapid City to Knoxville in just under 5h 22m. Your travel time can differ by up to . The distance between Rapid City and Knoxville is about 1155 mi.

  • What is the cheapest airline to fly from Rapid City to Knoxville round-trip?

    Flying on United Airlines is currently your cheapest option to Knoxville, with prices starting at $279.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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Alternative routes for Rapid City to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Rapid City to Knoxville

Discover the top airline that operate flights from Rapid City to Knoxville. 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$279Average$399FlexibilityNo cancel feeOn-time69%

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