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$420+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — TYS
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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 2/124:29 pm
RAP
-
TYS
1 stop4h 43m
Delta
Thu 2/196:35 am
TYS
-
RAP
1 stop5h 34m
Delta
Deal found 1/25$420
This United Airlines deal was found by Cheapflights users on 1/24. 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 1/285:10 am
RAP
-
TYS
1 stop8h 04m
United Airlines
Sat 1/314:25 pm
TYS
-
RAP
1 stop8h 04m
United Airlines
Deal found 1/24$489
This Delta deal was found by Cheapflights users on 1/25. 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 2/154:29 pm
RAP
-
TYS
1 stop4h 43m
Delta
Sat 3/146:35 am
TYS
-
RAP
1 stop5h 44m
Delta
Deal found 1/25$583
This United Airlines deal was found by Cheapflights users on 1/24. 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 2/152:52 pm
RAP
-
TYS
2 stops27h 45m
United Airlines
Sat 3/144:18 pm
TYS
-
RAP
1 stop18h 52m
United Airlines
Deal found 1/24$628
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/125:20 am
RAP
-
TYS
2 stops9h 32m
United Airlines
Thu 2/199:40 am
TYS
-
RAP
2 stops13h 04m
United Airlines
Deal found 1/25$637

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$389
(American Airlines)
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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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 January 26, 2026.
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

Thu 2/12

4:29 pm-11:12 pm

1 stop4h 43m

Knoxville McGhee Tyson

Thu 2/19

6:35 am-10:09 am

1 stop5h 34m

$420

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Sun 2/15

4:29 pm-11:12 pm

1 stop4h 43m

Knoxville McGhee Tyson

Sat 3/14

6:35 am-10:19 am

1 stop5h 44m

$583

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Sun 2/15

2:52 pm-8:37 pm

2 stops27h 45m

Knoxville McGhee Tyson

Sat 3/14

4:18 pm-9:10 am

1 stop18h 52m

$628

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Thu 2/12

5:20 am-4:52 pm

2 stops9h 32m

Knoxville McGhee Tyson

Thu 2/19

9:40 am-8:44 pm

2 stops13h 04m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • 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 January 26, 2026.
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
9,199 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,189 reviews
United Airlines
7.4
Good
9,199 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    Delta and United Airlines can get you from Rapid City to Knoxville in just under 4h 43m. Your travel time can differ by up to 23h 02m. 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.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$404FlexibilityNo cancel feeOn-time69%

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