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Rapid City

$236+ Cheap flights from Knoxville to Rapid City (TYS - RAP)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — RAP
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/6. 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 8/224:56 pm
TYS
-
RAP
1 stop5h 36m
United Airlines
Sat 8/291:33 pm
RAP
-
TYS
1 stop5h 15m
United Airlines
Deal found 3/6$294
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 3/286:21 pm
TYS
-
RAP
1 stop6h 15m
American Airlines
Wed 4/12:21 pm
RAP
-
TYS
1 stop7h 30m
American Airlines
Deal found 3/9$314
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.
Fri 7/244:56 pm
TYS
-
RAP
1 stop7h 29m
United Airlines
Fri 7/3112:35 pm
RAP
-
TYS
1 stop7h 44m
United Airlines
Deal found 3/10$319
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.
Sun 4/57:00 am
TYS
-
RAP
1 stop5h 36m
United Airlines
Sun 4/125:27 am
RAP
-
TYS
1 stop7h 39m
United Airlines
Deal found 3/8$329
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/294:09 pm
TYS
-
RAP
1 stop7h 49m
American Airlines
Sat 5/211:53 am
RAP
-
TYS
1 stop6h 25m
American Airlines
Deal found 3/6$369
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 4/184:30 pm
TYS
-
RAP
1 stop7h 58m
United Airlines
Tue 4/215:27 am
RAP
-
TYS
1 stop7h 39m
United Airlines
Deal found 3/8$379
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/147:50 am
TYS
-
RAP
1 stop5h 33m
American Airlines
Wed 4/1511:53 am
RAP
-
TYS
1 stop7h 28m
American Airlines
Deal found 3/7$391

Find 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(United Airlines)

One-way from

$236
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$419
Provider with most accurate pricing for Knoxville McGhee Tyson-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Rapid City flights.
Search Deals
From Knoxville McGhee Tyson to Rapid City
Search Deals
One-way flight from Knoxville McGhee Tyson to Rapid City
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Knoxville to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/22

4:56 pm-8:32 pm

1 stop5h 36m

Rapid City

Sat 8/29

1:33 pm-8:48 pm

1 stop5h 15m

$294

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sun 4/5

7:00 am-10:36 am

1 stop5h 36m

Rapid City

Sun 4/12

5:27 am-3:06 pm

1 stop7h 39m

$329

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Wed 4/29

4:09 pm-9:58 pm

1 stop7h 49m

Rapid City

Sat 5/2

11:53 am-8:18 pm

1 stop6h 25m

$369

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 4/18

4:30 pm-10:28 pm

1 stop7h 58m

Rapid City

Tue 4/21

5:27 am-3:06 pm

1 stop7h 39m

$379
Cheapest one-way
Quickest one-way

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/22

7:30 am-3:10 pm

2 stops9h 40m

$291

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Sat 8/22

6:30 am-9:17 am

3 stops28h 47m

$362

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

Mon 6/15

7:19 pm-10:33 pm

2 stops29h 14m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

Compare providers for flights from Knoxville to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Rapid City in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Rapid City 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 Knoxville-Rapid City 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 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, September is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $231). Flying from Knoxville to Rapid City in November is currently the most expensive (average of $648). 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.

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 March 11, 2026.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
9,414 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

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
9,414 reviews
United Airlines
7.4
Good
9,414 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

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
American Airlines
7.1
Good
11,419 reviews
United Airlines
7.4
Good
9,414 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

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 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 36m. 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. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Knoxville to Rapid City for 46% 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, September is the cheapest month in which you can book a flight from Knoxville to Rapid City (average of $231). Flying from Knoxville to Rapid City in November is currently the most expensive (average of $648). 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
Keystone
Deadwood
Sturgis
Spearfish

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Top 2 airlines flying from Knoxville to Rapid City

Discover the top 2 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$482FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$504FlexibilityNo cancel feeOn-time69%

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