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$338+ Cheap flights from Rapid City to Knoxville (RAP - TYS)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — TYS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$338
(Trip.com)
From Rapid City to Knoxville McGhee Tyson
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Find 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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:44 pmRAP - TYS
1 stop7h 06mUnited Airlines
Thu 10/97:00 amTYS - RAP
1 stop5h 13mUnited Airlines
Deal found 9/10$338
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/311:30 pmRAP - TYS
1 stop7h 25mUnited Airlines
Sun 11/25:45 amTYS - RAP
1 stop5h 49mUnited Airlines
Deal found 9/10$891
This Delta deal was found by Cheapflights users on 9/10. 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 10/316:05 amRAP - TYS
2 stops8h 31mDelta
Sun 11/23:59 pmTYS - RAP
2 stops8h 37mDelta
Deal found 9/10$1,800

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 September 11, 2025.
Use the filters below to find and compare flights from Rapid City to Knoxville that are best for you.

Fly from

Rapid City

Fly to

Knoxville

Route

Depart

Return

Price

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Fri 10/3

1:44 pm-10:50 pm

1 stop7h 06m

Knoxville McGhee Tyson

Thu 10/9

7:00 am-10:13 am

1 stop5h 13m

$338

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Tue 3/3

4:00 pm-11:00 pm

1 stop5h 00m

Knoxville McGhee Tyson

Sat 3/7

7:30 am-10:14 pm

2 stops16h 44m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 2025.
Read reviews from past customers who have flown United Airlines and American 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
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 and Delta can get you from Rapid City to Knoxville in just under 5h. Your travel time can differ by up to 2h 06m. The distance between Rapid City and Knoxville is about 1155 mi. This flight may include one or multiple stops.

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

    Flying on American Airlines is currently your cheapest option to Knoxville, with prices starting at $258. Another option worth looking into is United Airlines, starting at $338 round trip.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Knoxville (average of $294). Flying from Rapid City to Knoxville in March is currently the most expensive (average of $376). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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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 2 airlines flying from Rapid City to Knoxville

Discover the top 2 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$470FlexibilityNo cancel feeOn-time69%

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