What are the cheapest airlines flying from Knoxville to Rapid City round-trip?

American Airlines, at $259, was found to be the cheapest airline from Knoxville to Rapid City.Alternate airlines to your destination round-trip include Delta and Allegiant Air. You may be able to fly from Knoxville to Rapid City for 35% less than the average price by searching for these airlines.

What is the cheapest day to fly from Knoxville to Rapid City?

Travelers seeking maximum savings on their Knoxville to Rapid City flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

If weather is an important factor for your trip to Rapid City, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular airlines that fly from Knoxville to Rapid City?

Before booking your flight from Knoxville to Rapid City check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Knoxville to Rapid City?

Saturday flights are generally found to be more expensive for flights from Knoxville to Rapid City. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Rapid City.

What is the cheapest month to fly from Knoxville to Rapid City?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Rapid City. Flights to Rapid City from Knoxville in February are about $399 on average during February, but can be found for as low as $274.

What is the cheapest time of day to fly from TYS to RAP?

A simple way to save on the total cost of your ticket is to fly from Knoxville to Rapid City at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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.

$193+ Flights from Knoxville to Rapid City

Q: How much does it cost to fly round-trip from Knoxville to Rapid City?

Airfare is below average for this route at the moment. Knoxville to Rapid City flights typically cost between $272 and $573 in October. The cheapest round-trip price found within the last 3 days was $259 on American Airlines (Oct 15-Oct 18).

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Cheap flight deals from Knoxville to Rapid City

Round-trip from	$259 (American Airlines)
One-way from	$193 (United Airlines)
Popular in	June
Cheapest in	February
Average price	$410

From Knoxville McGhee Tyson to Rapid City

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One-way flight from Knoxville McGhee Tyson to Rapid City

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Highest demand for flights based on searches. 22% potential increase in price ($114 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in July 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 julio 29, 2025.

mié. 10/1512:35 pmTYS - RAP

1 stop5h 28mAmerican Airlines

sáb. 10/184:58 pmRAP - TYS

1 stop5h 25mAmerican Airlines

Deal found 7/26

$259

vie. 9/191:52 pmTYS - RAP

2 stops10h 38mDelta

mar. 9/2311:00 amRAP - TYS

2 stops10h 44mDelta

Deal found 7/28

$269

mié. 8/138:30 amTYS - RAP

1 stop10h 08mAllegiant Air

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mAllegiant Air

Deal found 7/29

$273

sáb. 8/167:00 amTYS - RAP

1 stop5h 20mUnited Airlines

mar. 8/196:30 amRAP - TYS

1 stop4h 55mUnited Airlines

Deal found 7/28

$274

mié. 8/134:15 pmTYS - RAP

3 stops30h 55mMultiple Airlines

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mMultiple Airlines

Deal found 7/29

$480

Best flights from Knoxville to Rapid City
Discover carefully curated flight deals from Knoxville to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 29, 2025.

mié. 10/1512:35 pmTYS - RAP

1 stop5h 28mAmerican Airlines

sáb. 10/184:58 pmRAP - TYS

1 stop5h 25mAmerican Airlines

Deal found 7/26

$259

vie. 9/191:52 pmTYS - RAP

2 stops10h 38mDelta

mar. 9/2311:00 amRAP - TYS

2 stops10h 44mDelta

Deal found 7/28

$269

mié. 8/138:30 amTYS - RAP

1 stop10h 08mAllegiant Air

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mAllegiant Air

Deal found 7/29

$273

sáb. 8/167:00 amTYS - RAP

1 stop5h 20mUnited Airlines

mar. 8/196:30 amRAP - TYS

1 stop4h 55mUnited Airlines

Deal found 7/28

$274

mié. 8/134:15 pmTYS - RAP

3 stops30h 55mMultiple Airlines

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mMultiple Airlines

Deal found 7/29

$480

Last-minute flights from Knoxville to Rapid City
Discover last-minute flight deals from Knoxville to Rapid City. Data last updated julio 29, 2025 and is based on user searches.

mié. 8/138:30 amTYS - RAP

1 stop10h 08mAllegiant Air

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mAllegiant Air

Deal found 7/29

$273

mié. 8/134:15 pmTYS - RAP

3 stops30h 55mMultiple Airlines

dom. 8/1710:00 pmRAP - TYS

1 stop13h 39mMultiple Airlines

Deal found 7/29

$480

sáb. 8/167:00 amTYS - RAP

1 stop5h 20mUnited Airlines

mar. 8/196:30 amRAP - TYS

1 stop4h 55mUnited Airlines

Deal found 7/28

$274

sáb. 8/167:00 amTYS - RAP

2 stops11h 20mAmerican Airlines

mar. 8/195:02 pmRAP - TYS

1 stop5h 17mAmerican Airlines

Deal found 7/28

$310

One-way flights from Knoxville to Rapid City
Search for one-way flight options from Knoxville to Rapid City. Find affordable one-way fares based on user searches. Data last updated julio 29, 2025.

sáb. 10/117:00 amTYS - RAP

1 stop5h 13mUnited Airlines

Deal found 7/27

$193

sáb. 10/117:43 amTYS - RAP

2 stops10h 07mDelta

Deal found 7/27

$275

sáb. 10/114:26 pmTYS - RAP

3 stops26h 42mMultiple Airlines

Deal found 7/27

$461

Cheapflights Fare Finder

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

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

mié. 10/15

12:35 pm-4:03 pm

1 stop5h 28m

Rapid City

sáb. 10/18

4:58 pm-12:23 am

1 stop5h 25m

$259

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

vie. 9/19

1:52 pm-10:30 pm

2 stops10h 38m

Rapid City

mar. 9/23

11:00 am-11:44 pm

2 stops10h 44m

$269

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

mié. 8/13

8:30 am-4:38 pm

1 stop10h 08m

Rapid City

dom. 8/17

10:00 pm-1:39 pm

1 stop13h 39m

$273

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

sáb. 8/16

7:00 am-10:20 am

1 stop5h 20m

Rapid City

mar. 8/19

6:30 am-1:25 pm

1 stop4h 55m

$274

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

mié. 8/13

4:15 pm-9:10 pm

3 stops30h 55m

Rapid City

dom. 8/17

10:00 pm-1:39 pm

1 stop13h 39m

$480

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

sáb. 10/11

7:00 am-10:13 am

1 stop5h 13m

$193

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

sáb. 10/11

7:43 am-3:50 pm

2 stops10h 07m

$275

KnoxvilleRapid City

TYS - RAP

TYSRAP

Knoxville McGhee Tyson

sáb. 10/11

4:26 pm-5:08 pm

3 stops26h 42m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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

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

7,977 reviews

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

7,977 reviews

Delta

8.0

Very good

7,977 reviews

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

8,899 reviews

Delta

8.0

Very good

7,977 reviews

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

7,977 reviews

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!

Allegiant Air

7.2

Good

703 reviews

Delta

8.0

Very good

7,977 reviews

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

What are the cheapest airlines flying from Knoxville to Rapid City round-trip?
American Airlines, at $259, was found to be the cheapest airline from Knoxville to Rapid City.Alternate airlines to your destination round-trip include Delta and Allegiant Air. You may be able to fly from Knoxville to Rapid City for 35% 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

Deadwood

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Top 3 airlines flying from Knoxville to Rapid City

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$258	Average$293	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$258	Average$391	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$275	Average$415	FlexibilityNo cancel fee	On-time69%

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$193+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Rapid City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Rapid City

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Rapid City

Cheapest flights from Knoxville to Rapid CityExplore 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 julio 29, 2025.

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 julio 29, 2025.

Cheapflights Fare Finder

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

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.

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?

How much does it cost to fly round-trip from Knoxville to Rapid City?

Reviews of airlines servicing Rapid City

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.

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.

What are the cheapest airlines flying from Knoxville to Rapid City round-trip?

Can I find deals for flights from Knoxville to Rapid City that include hotel bookings?

How can I find direct flights from Knoxville to Rapid City?

Can I find deals for business class flights from Knoxville to Rapid City?

What is the cheapest month to book a flight from Knoxville to Rapid City?

Traveling to a place near Rapid City?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Rapid City

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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 julio 29, 2025.