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Rapid City

$259+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — RAP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$259
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$384
From Knoxville McGhee Tyson to Rapid City
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Highest demand for flights based on searches. 16% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

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 10/247:00 amTYS - RAP
1 stop5h 13mUnited Airlines
Mon 10/278:45 amRAP - TYS
1 stop5h 06mUnited Airlines
Deal found 9/10$259
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/114:40 pmTYS - RAP
1 stop7h 32mUnited Airlines
Sat 10/181:44 pmRAP - TYS
1 stop7h 06mUnited Airlines
Deal found 9/11$276
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/274:40 pmTYS - RAP
1 stop5h 54mUnited Airlines
Wed 10/112:56 pmRAP - TYS
1 stop7h 32mUnited Airlines
Deal found 9/11$289
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/256:40 amTYS - RAP
1 stop5h 13mDelta
Mon 10/272:26 pmRAP - TYS
1 stop6h 29mDelta
Deal found 9/9$309
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/156:00 amTYS - RAP
1 stop7h 36mAmerican Airlines
Sat 10/184:58 pmRAP - TYS
1 stop5h 25mAmerican Airlines
Deal found 9/9$314
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/157:00 amTYS - RAP
1 stop5h 13mUnited Airlines
Sat 10/181:44 pmRAP - TYS
1 stop7h 06mUnited Airlines
Deal found 9/11$339

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

Fly from

Knoxville

Fly to

Rapid City

Route

Depart

Return

Price

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Fri 10/24

7:00 am-10:13 am

1 stop5h 13m

Rapid City

Mon 10/27

8:45 am-3:51 pm

1 stop5h 06m

$259

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 2/21

6:45 am-10:05 am

1 stop5h 20m

Rapid City

Wed 2/25

4:00 pm-11:00 pm

1 stop5h 00m

$259

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 10/11

10:51 am-6:40 pm

2 stops9h 49m

Rapid City

Sat 10/18

1:44 pm-10:50 pm

1 stop7h 06m

$281

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 9/27

4:40 pm-8:34 pm

1 stop5h 54m

Rapid City

Wed 10/1

12:56 pm-10:28 pm

1 stop7h 32m

$289

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 10/25

6:40 am-9:53 am

1 stop5h 13m

Rapid City

Mon 10/27

2:26 pm-10:55 pm

1 stop6h 29m

$309

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 10/15

6:00 am-11:36 am

1 stop7h 36m

Rapid City

Sat 10/18

4:58 pm-12:23 am

1 stop5h 25m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, January is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $348). Flying from Knoxville to Rapid City in June is currently the most expensive (average of $502). 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?

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, 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.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 13m. The distance between Knoxville and Rapid City is about 1155 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Knoxville to Rapid City for 39% 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, January is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $348). Flying from Knoxville to Rapid City in June is currently the most expensive (average of $502). 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
Deadwood
Keystone
Sturgis
Spearfish

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Top 3 airlines flying from Knoxville to Rapid City

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$283FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$486FlexibilityNo cancel feeOn-time69%

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