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$299+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — TYS
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This American Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/711:53 am
RAP
-
TYS
1 stop7h 28m
American Airlines
Tue 4/147:50 am
TYS
-
RAP
1 stop5h 33m
American Airlines
Deal found 3/8$299
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/712:00 pm
RAP
-
TYS
2 stops9h 41m
United Airlines
Tue 4/144:30 pm
TYS
-
RAP
1 stop6h 14m
United Airlines
Deal found 3/8$304
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 8/1110:13 am
RAP
-
TYS
2 stops8h 15m
United Airlines
Sat 8/154:56 pm
TYS
-
RAP
1 stop5h 36m
United Airlines
Deal found 3/10$324
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:08 am
RAP
-
TYS
1 stop6h 37m
American Airlines
Sat 8/1512:20 pm
TYS
-
RAP
1 stop5h 51m
American Airlines
Deal found 3/10$334
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/47:00 am
RAP
-
TYS
1 stop6h 06m
United Airlines
Wed 4/84:30 pm
TYS
-
RAP
1 stop6h 14m
United Airlines
Deal found 3/8$379
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:42 pm
RAP
-
TYS
1 stop5h 11m
American Airlines
Fri 8/1412:20 pm
TYS
-
RAP
1 stop5h 51m
American Airlines
Deal found 3/10$461
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 8/1110:13 am
RAP
-
TYS
2 stops9h 17m
United Airlines
Fri 8/148:48 am
TYS
-
RAP
1 stop5h 36m
United Airlines
Deal found 3/10$466

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(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 March 13, 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

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Tue 4/7

11:53 am-9:21 pm

1 stop7h 28m

Knoxville McGhee Tyson

Tue 4/14

7:50 am-11:23 am

1 stop5h 33m

$299
Quickest round-trip

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Sat 4/4

7:00 am-3:06 pm

1 stop6h 06m

Knoxville McGhee Tyson

Wed 4/8

4:30 pm-8:44 pm

1 stop6h 14m

$379

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Tue 8/11

10:13 am-8:28 pm

2 stops8h 15m

Knoxville McGhee Tyson

Fri 8/14

6:30 am-12:24 pm

2 stops7h 54m

$471
Cheapest one-way
Quickest one-way

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Thu 5/14

11:53 am-8:18 pm

1 stop6h 25m

$300

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Thu 5/14

4:13 pm-4:54 pm

2 stops22h 41m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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 March 13, 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
9,418 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

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?

    American Airlines and United Airlines can get you from Rapid City to Knoxville in just under 6h 06m. Your travel time can differ by up to 1h 22m. The distance between Rapid City and Knoxville is about 1155 mi. This flight may include one or multiple stops.

  • 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
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge

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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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$279Average$391FlexibilityNo cancel feeOn-time69%

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