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$122+ Cheap flights from Raleigh to Knoxville (RDU - 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — TYS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Raleigh to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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 August 14, 2025.

Round-trip from

$219
(Delta)

One-way from

$122
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$253
From Raleigh-Durham to Knoxville McGhee Tyson
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One-way flight from Raleigh-Durham to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Raleigh to Knoxville

Cheapest flights from Raleigh to Knoxville
Explore the most affordable flight options available from Raleigh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/12. 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 9/66:35 pmRDU - TYS
1 stop5h 13mDelta
Mon 9/86:14 pmTYS - RDU
1 stop5h 42mDelta
Deal found 8/12$219
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/236:00 amRDU - TYS
1 stop3h 10mAmerican Airlines
Fri 8/298:25 pmTYS - RDU
1 stop3h 25mAmerican Airlines
Deal found 8/13$234
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:56 pmRDU - TYS
1 stop14h 38mMultiple Airlines
Sun 8/249:12 pmTYS - RDU
1 stop21h 39mMultiple Airlines
Deal found 8/13$244
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 8/198:50 amRDU - TYS
1 stop4h 18mDelta
Tue 8/266:14 pmTYS - RDU
1 stop3h 25mDelta
Deal found 8/14$249
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/166:15 pmRDU - TYS
1 stop4h 00mAmerican Airlines
Wed 8/207:35 pmTYS - RDU
1 stop3h 33mAmerican Airlines
Deal found 8/14$259
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:21 pmRDU - TYS
1 stop5h 13mMultiple Airlines
Fri 9/191:22 pmTYS - RDU
1 stop20h 31mMultiple Airlines
Deal found 8/13$271
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/101:00 pmRDU - TYS
1 stop6h 52mUnited Airlines
Mon 10/137:26 pmTYS - RDU
1 stop4h 26mUnited Airlines
Deal found 8/13$279
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/910:34 amRDU - TYS
2 stops9h 19mUnited Airlines
Tue 9/165:45 amTYS - RDU
1 stop3h 44mUnited Airlines
Deal found 8/12$294
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:26 pmRDU - TYS
2 stops10h 42mMultiple Airlines
Thu 9/1812:08 pmTYS - RDU
1 stop26h 27mMultiple Airlines
Deal found 8/14$296
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:21 pmRDU - TYS
1 stop5h 13mMultiple Airlines
Sun 9/283:19 pmTYS - RDU
1 stop3h 53mMultiple Airlines
Deal found 8/13$302
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 9/265:20 amRDU - TYS
1 stop4h 24mDelta
Sun 9/285:45 amTYS - RDU
1 stop4h 13mDelta
Deal found 8/14$309
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/296:00 amRDU - TYS
1 stop3h 09mAmerican Airlines
Tue 9/27:35 pmTYS - RDU
1 stop3h 33mAmerican Airlines
Deal found 8/14$314

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 August 14, 2025.
Use the filters below to find and compare flights from Raleigh to Knoxville that are best for you.

Fly from

Raleigh

Fly to

Knoxville

Route

Depart

Return

Price

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Tue 9/9

10:34 am-2:40 pm

1 stop4h 06m

Knoxville McGhee Tyson

Tue 9/16

5:45 am-9:29 am

1 stop3h 44m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Wed 9/10

10:45 am-3:34 pm

1 stop4h 49m

Knoxville McGhee Tyson

Wed 9/17

8:35 am-12:47 pm

1 stop4h 12m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 9/11

2:55 pm-7:46 pm

1 stop4h 51m

Knoxville McGhee Tyson

Thu 9/18

5:05 am-8:06 am

1 stop3h 01m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Tue 9/9

10:45 am-3:34 pm

1 stop4h 49m

Knoxville McGhee Tyson

Tue 9/16

6:08 pm-10:38 pm

1 stop4h 30m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 9/26

5:16 pm-11:03 pm

1 stop5h 47m

Knoxville McGhee Tyson

Sun 9/28

6:30 am-10:36 am

1 stop4h 06m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 10/2

9:56 am-1:07 pm

1 stop3h 11m

Knoxville McGhee Tyson

Tue 10/7

3:48 pm-10:00 pm

1 stop6h 12m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Sat 9/6

5:20 am-10:27 am

1 stop5h 07m

Knoxville McGhee Tyson

Mon 9/8

6:14 pm-11:56 pm

1 stop5h 42m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Sat 10/18

5:27 pm-11:07 pm

1 stop5h 40m

Knoxville McGhee Tyson

Mon 10/20

8:10 pm-12:04 am

1 stop3h 54m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Sat 9/6

10:48 am-8:41 pm

1 stop9h 53m

Knoxville McGhee Tyson

Mon 9/8

6:24 pm-7:04 pm

2 stops24h 40m

$261

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Sun 9/7

9:49 pm-11:55 am

1 stop14h 06m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 18 results
1
2

Best time to book a flight from Raleigh to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Raleigh 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 Raleigh to Knoxville

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Knoxville (average of $294). Flying from Raleigh 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.

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

Find hourly flight availability from Raleigh to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Raleigh to Knoxville in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

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 August 14, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Raleigh 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.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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 Raleigh 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 Raleigh to Knoxville round-trip?

    Our cheapest airline available from Raleigh to Knoxville is American Airlines. Our recent data shows that you can find tickets from as low as $218 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $218 and $218 round-trip. American Airlines is currently priced 35% below the average price you’ll pay for this route.

  • Can I find deals for flights from Raleigh to Knoxville that include hotel bookings?

    Yes. In addition to deals on Raleigh to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Knoxville.

  • Can I find deals for business class flights from Raleigh to Knoxville?

    Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Knoxville (average of $294). Flying from Raleigh 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Top 3 airlines flying from Raleigh to Knoxville

Discover the top 3 airlines that operate flights from Raleigh 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$328FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$218Average$339FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$303FlexibilityNo cancel feeOn-timeN/A

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