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$121+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — TYS
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$219
(Delta)

One-way from

$121
(Mytrip)

Popular in

May

Cheapest in

July

Average price

$235
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. 7% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 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 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 July 1, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/135:20 amRDU - TYS
1 stop4h 10mDelta
Wed 8/205:45 amTYS - RDU
1 stop3h 07mDelta
Deal found 6/29$219
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/146:00 amRDU - TYS
1 stop3h 10mAmerican Airlines
Thu 8/219:35 amTYS - RDU
1 stop5h 53mAmerican Airlines
Deal found 6/30$220
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/1010:34 amRDU - TYS
1 stop4h 24mUnited Airlines
Sun 7/135:45 amTYS - RDU
1 stop3h 43mUnited Airlines
Deal found 7/1$239
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 7/179:10 amRDU - TYS
1 stop10h 54mMultiple Airlines
Sun 7/208:54 pmTYS - RDU
1 stop11h 21mMultiple Airlines
Deal found 6/30$254

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 July 1, 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

Wed 8/13

7:50 am-11:03 am

1 stop3h 13m

Knoxville McGhee Tyson

Wed 8/20

5:45 am-10:00 am

1 stop4h 15m

$219

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 8/14

6:00 am-9:10 am

1 stop3h 10m

Knoxville McGhee Tyson

Thu 8/21

9:35 am-3:28 pm

1 stop5h 53m

$220

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 7/10

10:34 am-2:58 pm

1 stop4h 24m

Knoxville McGhee Tyson

Sat 7/12

5:45 am-9:28 am

1 stop3h 43m

$239

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 7/17

9:10 am-8:04 pm

1 stop10h 54m

Knoxville McGhee Tyson

Sun 7/20

8:54 pm-8:15 am

1 stop11h 21m

$254

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Thu 8/14

9:10 pm-11:55 am

1 stop14h 45m

$121

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Wed 8/13

11:05 am-5:19 pm

1 stop6h 14m

$189

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 8/15

12:12 pm-3:15 pm

1 stop3h 03m

$200

RaleighKnoxville

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 8/15

5:16 pm-2:58 pm

2 stops21h 42m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 $296). 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 July 1, 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 July 1, 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
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,973 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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 Delta. Our recent data shows that you can find tickets from as low as $219 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $220 and $239 round-trip. Delta is currently priced 36% below the average price you’ll pay for this route.

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

    $189 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $200 and $254, respectively.

  • 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 $296). 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 Raleigh?

Book flights to Raleigh 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$340FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$223Average$328FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$303FlexibilityNo cancel feeOn-timeN/A

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