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$136+ Cheap flights from Rapid City to Knoxville (RAP - TYS)

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$334
(Mytrip)

One-way from

$136
(Mytrip)

Popular in

August

Cheapest in

June

Average price

$338
From Rapid City to Knoxville McGhee Tyson
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One-way flight from Rapid City to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:41 pmRAP - TYS
1 stop27h 52mMultiple Airlines
Mon 6/3010:59 amTYS - RAP
1 stop7h 28mMultiple Airlines
Deal found 6/9$334
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/274:39 pmRAP - TYS
1 stop5h 20mAmerican Airlines
Tue 7/15:15 amTYS - RAP
1 stop6h 30mAmerican Airlines
Deal found 6/11$380
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/275:30 amRAP - TYS
2 stops15h 05mUnited Airlines
Tue 7/14:35 pmTYS - RAP
1 stop6h 12mUnited Airlines
Deal found 6/11$563
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:41 pmRAP - TYS
2 stops25h 26mAllegiant Air
Mon 6/305:37 pmTYS - RAP
2 stops26h 23mAllegiant Air
Deal found 6/9$583

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 June 12, 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

Wed 6/25

5:41 pm-11:33 pm

1 stop27h 52m

Knoxville McGhee Tyson

Mon 6/30

10:59 am-4:27 pm

1 stop7h 28m

$334

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Fri 6/27

4:39 pm-11:59 pm

1 stop5h 20m

Knoxville McGhee Tyson

Tue 7/1

5:15 am-9:45 am

1 stop6h 30m

$380

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Fri 6/27

5:30 am-10:35 pm

2 stops15h 05m

Knoxville McGhee Tyson

Tue 7/1

4:35 pm-8:47 pm

1 stop6h 12m

$563

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Wed 6/25

5:41 pm-9:07 pm

2 stops25h 26m

Knoxville McGhee Tyson

Mon 6/30

5:37 pm-6:00 pm

2 stops26h 23m

$583

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Wed 6/25

5:41 pm-11:33 pm

1 stop27h 52m

$136

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Mon 6/30

1:43 pm-10:35 pm

1 stop6h 52m

$239

Rapid CityKnoxville

RAP - TYS

RAPTYS

Rapid City

Tue 6/24

5:38 am-1:26 pm

1 stop5h 48m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Knoxville

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.0

Crew

8.1

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.0

Crew

8.1

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!
Allegiant Air
7.3
Good
725 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.0

Crew

8.1

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
8,790 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.0

Crew

8.1

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.

  • 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 $380. Additional round-trip tickets that might be worth considering are offered by United Airlines and Allegiant Air, with the lowest prices starting at $563 and $583, respectively. Users have found that American Airlines is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Rapid City to Knoxville one-way?

    One-way options have recently been found by users for as low as $136 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $239 and American Airlines from $359 one-way.

  • 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 $296). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$487FlexibilityNo cancel feeOn-time69%

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