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Cheap flights from Raleigh to Knoxville (RDU - TYS) from $162

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
RDU — TYS
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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The best prices from Raleigh-Durham to Knoxville McGhee Tyson are usually found in February or December, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 May 3, 2024.

Popular in

September

Cheapest in

February

Round-trip from

$302

One-way from

$189
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 27% potential price drop
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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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What is the cheapest day to fly round-trip from Raleigh to Knoxville?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 68% when planning your travel around this day of the week.

How far in advance should I book a flight from Raleigh to Knoxville?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 22 days in advance, which can save you up to 131% on flights from Raleigh to Knoxville compared to booking the week you need them. Waiting 22 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $291. For sooner than that we have options available in the next 3 days from $424.

What is the cheapest month to fly from Raleigh to Knoxville?

February can be a great time to fly to Knoxville from Raleigh with a flight ticket averaging about $483. Cheapflights users have found deals in the month of February for as cheap as $243. The most expensive prices can be found in the month of September.

When is the cheapest time to fly from Raleigh to Knoxville (RDU - TYS)?

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 8% on your trip compared to booking a flight in the morning.

Cheap United Airlines flights from Raleigh to Knoxville

Explore cheap flight options specifically provided by United Airlines for the route between Raleigh and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Raleigh to Knoxville. It's recommended that users confirm their flight details before booking.
Wed 5/2910:32 amRDU - TYS
1 stop4h 08mUnited Airlines
Sat 6/15:50 amTYS - RDU
1 stop3h 35mUnited Airlines
Deal found 5/1$278
Fri 8/1610:31 amRDU - TYS
1 stop4h 09mUnited Airlines
Sat 8/1710:55 amTYS - RDU
2 stops12h 40mUnited Airlines
Deal found 5/2$372
Fri 10/2510:30 amRDU - TYS
1 stop4h 12mUnited Airlines
Sat 10/267:10 pmTYS - RDU
1 stop4h 35mUnited Airlines
Deal found 5/2$382
Mon 10/710:30 amRDU - TYS
2 stops12h 11mUnited Airlines
Sat 10/125:50 amTYS - RDU
1 stop3h 32mUnited Airlines
Deal found 5/2$401
Mon 9/26:00 amRDU - TYS
2 stops16h 36mUnited Airlines
Sat 9/75:50 amTYS - RDU
1 stop3h 45mUnited Airlines
Deal found 5/2$441
Thu 8/810:31 amRDU - TYS
1 stop4h 09mUnited Airlines
Mon 8/125:45 pmTYS - RDU
2 stops15h 40mUnited Airlines
Deal found 5/2$467
Fri 10/257:55 pmRDU - TYS
2 stops14h 19mUnited Airlines
Sat 10/267:10 pmTYS - RDU
1 stop4h 35mUnited Airlines
Deal found 5/2$499
Sun 7/76:10 amRDU - TYS
1 stop4h 15mUnited Airlines
Tue 7/97:00 amTYS - RDU
2 stops16h 35mUnited Airlines
Deal found 5/2$535
Wed 10/236:00 amRDU - TYS
1 stop3h 45mUnited Airlines
Sun 10/275:50 amTYS - RDU
2 stops7h 49mUnited Airlines
Deal found 5/2$581

Cheap Frontier flights from Raleigh to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between Raleigh and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from Raleigh to Knoxville. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 8/168:32 amRDU - TYS
1 stop8h 10mFrontier
Sat 8/175:40 pmTYS - RDU
1 stop27h 13mFrontier
Deal found 5/2$162
Tue 5/2112:28 pmRDU - TYS
1 stop8h 42mFrontier
Wed 5/225:31 pmTYS - RDU
1 stop27h 22mFrontier
Deal found 5/2$218
Sat 6/1510:16 pmRDU - TYS
1 stop11h 41mFrontier
Sun 6/164:26 pmTYS - RDU
1 stop16h 02mFrontier
Deal found 5/2$248
Thu 5/96:44 pmRDU - TYS
1 stop15h 12mFrontier
Mon 5/1310:51 amTYS - RDU
1 stop9h 45mFrontier
Deal found 5/2$250
Wed 6/57:47 pmRDU - TYS
1 stop14h 10mFrontier
Mon 6/1010:41 pmTYS - RDU
1 stop22h 09mFrontier
Deal found 5/2$268
Mon 9/29:57 pmRDU - TYS
1 stop9h 54mFrontier
Sat 9/75:40 pmTYS - RDU
1 stop27h 13mFrontier
Deal found 5/2$276
Tue 5/146:44 pmRDU - TYS
1 stop15h 07mFrontier
Sat 5/185:27 pmTYS - RDU
1 stop27h 26mFrontier
Deal found 5/2$301
Sun 7/712:30 pmRDU - TYS
1 stop8h 48mFrontier
Tue 7/910:04 pmTYS - RDU
1 stop17h 40mFrontier
Deal found 5/2$339

Cheap Raleigh to Knoxville flights in May & June 2024

Find cheap flight options from Raleigh to Knoxville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 3, 2024.
Scroll through some of the best deals on flights from Raleigh to Knoxville in 2024. Check back soon for alternative fares.
Tue 5/2112:28 pmRDU - TYS
1 stop8h 42mFrontier
Wed 5/225:31 pmTYS - RDU
1 stop27h 22mFrontier
Deal found 5/2$218
Sat 6/1510:16 pmRDU - TYS
1 stop11h 41mFrontier
Sun 6/164:26 pmTYS - RDU
1 stop16h 02mFrontier
Deal found 5/2$248
Thu 5/96:44 pmRDU - TYS
1 stop15h 12mFrontier
Mon 5/1310:51 amTYS - RDU
1 stop9h 45mFrontier
Deal found 5/2$250
Wed 6/57:47 pmRDU - TYS
1 stop14h 10mFrontier
Mon 6/1010:41 pmTYS - RDU
1 stop22h 09mFrontier
Deal found 5/2$268
Wed 5/2910:32 amRDU - TYS
1 stop4h 08mUnited Airlines
Sat 6/15:50 amTYS - RDU
1 stop3h 35mUnited Airlines
Deal found 5/1$278
Tue 5/146:44 pmRDU - TYS
1 stop15h 07mFrontier
Sat 5/185:27 pmTYS - RDU
1 stop27h 26mFrontier
Deal found 5/2$301
Fri 5/2411:59 amRDU - TYS
1 stop10h 18mMultiple Airlines
Mon 5/276:30 amTYS - RDU
1 stop10h 35mMultiple Airlines
Deal found 5/3$311
Fri 5/2411:59 amRDU - TYS
1 stop10h 18mMultiple Airlines
Mon 5/2712:21 pmTYS - RDU
3 stops28h 44mMultiple Airlines
Deal found 5/3$332
Fri 5/246:05 pmRDU - TYS
3 stops22h 57mMultiple Airlines
Mon 5/2712:21 pmTYS - RDU
3 stops25h 15mMultiple Airlines
Deal found 5/3$379

Raleigh to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Raleigh and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Scroll through some of the best deals on flights from Raleigh to Knoxville in 2024. Check back soon for alternative fares.
Fri 8/168:32 amRDU - TYS
1 stop8h 10mFrontier
Sat 8/175:40 pmTYS - RDU
1 stop27h 13mFrontier
Deal found 5/2$162
Tue 5/2112:28 pmRDU - TYS
1 stop8h 42mFrontier
Wed 5/225:31 pmTYS - RDU
1 stop27h 22mFrontier
Deal found 5/2$218
Sat 6/1510:16 pmRDU - TYS
1 stop11h 41mFrontier
Sun 6/164:26 pmTYS - RDU
1 stop16h 02mFrontier
Deal found 5/2$248
Thu 5/96:44 pmRDU - TYS
1 stop15h 12mFrontier
Mon 5/1310:51 amTYS - RDU
1 stop9h 45mFrontier
Deal found 5/2$250
Wed 6/57:47 pmRDU - TYS
1 stop14h 10mFrontier
Mon 6/1010:41 pmTYS - RDU
1 stop22h 09mFrontier
Deal found 5/2$268
Mon 9/29:57 pmRDU - TYS
1 stop9h 54mFrontier
Sat 9/75:40 pmTYS - RDU
1 stop27h 13mFrontier
Deal found 5/2$276
Wed 5/2910:32 amRDU - TYS
1 stop4h 08mUnited Airlines
Sat 6/15:50 amTYS - RDU
1 stop3h 35mUnited Airlines
Deal found 5/1$278
Tue 5/146:44 pmRDU - TYS
1 stop15h 07mFrontier
Sat 5/185:27 pmTYS - RDU
1 stop27h 26mFrontier
Deal found 5/2$301
Fri 5/2411:59 amRDU - TYS
1 stop10h 18mMultiple Airlines
Mon 5/276:30 amTYS - RDU
1 stop10h 35mMultiple Airlines
Deal found 5/3$311

Raleigh to Knoxville flights leaving soon

Find last-minute flight options from Raleigh to Knoxville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Book one of these great deals on flights from Raleigh to Knoxville. Tip: verify your flight details before completing your reservation.
Thu 5/96:44 pmRDU - TYS
1 stop15h 12mFrontier
Mon 5/1310:51 amTYS - RDU
1 stop9h 45mFrontier
Deal found 5/2$250
Thu 5/94:20 pmRDU - TYS
3 stops21h 45mMultiple Airlines
Mon 5/131:22 pmTYS - RDU
3 stops27h 43mMultiple Airlines
Deal found 5/2$587
Thu 5/97:41 pmRDU - TYS
2 stops14h 35mUnited Airlines
Mon 5/1310:00 amTYS - RDU
1 stop3h 56mUnited Airlines
Deal found 5/2$632

One-way flights to Knoxville from Raleigh

Search for one-way flight options from Raleigh to Knoxville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
If you're seeking multiple options on one-way flights from Raleigh to Knoxville, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Raleigh to Knoxville should utilize the search form at the the top of the page.
Tue 5/76:44 pmRDU - TYS
1 stop15h 07mFrontier
Deal found 5/2$189
Tue 5/711:35 amRDU - TYS
2 stops7h 48mAmerican Airlines
Deal found 5/2$499

Find flights from Raleigh to Knoxville within your budget

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 2,864,334 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$162 - $505

Route

Depart

Return

Price

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 8/16

1 stop8h 10m

Knoxville McGhee Tyson

Sat 8/17

1 stop27h 13m

$162

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Tue 5/21

1 stop8h 42m

Knoxville McGhee Tyson

Wed 5/22

1 stop27h 22m

$218

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Sat 6/15

1 stop11h 41m

Knoxville McGhee Tyson

Sun 6/16

1 stop16h 02m

$248

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Wed 6/5

1 stop14h 10m

Knoxville McGhee Tyson

Mon 6/10

1 stop22h 09m

$268

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Wed 5/29

1 stop4h 08m

Knoxville McGhee Tyson

Sat 6/1

1 stop3h 35m

$278

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 5/24

1 stop10h 18m

Knoxville McGhee Tyson

Mon 5/27

1 stop10h 35m

$311

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 5/24

1 stop10h 18m

Knoxville McGhee Tyson

Mon 5/27

3 stops28h 44m

$332

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Wed 10/23

1 stop4h 10m

Knoxville McGhee Tyson

Sun 10/27

1 stop4h 47m

$468

Raleigh-DurhamKnoxville McGhee Tyson

RDU - TYS

RDUTYS

Raleigh-Durham

Fri 5/24

1 stop3h 00m

Knoxville McGhee Tyson

Mon 5/27

1 stop2h 56m

$505

Flights are sorted by cheapest first

Deals found on 5/2

When is the best time to book a flight from Raleigh to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Knoxville. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Raleigh to Knoxville, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Raleigh to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Knoxville. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Raleigh to Knoxville flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Knoxville by month

Plan your trip from Raleigh to Knoxville by taking into account the cheapest months to travel. The average price of a one-way flight from Raleigh to Knoxville is currently $344 while a round-trip flight costs $310. Price data was last updated on April 28, 2024.

Currently, February is the cheapest month in which you can book a flight from Raleigh to Knoxville (average of $302). Flying from Raleigh to Knoxville in May is currently the most expensive (average of $388). 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.

January

$304

February

$302

March

$370

April

$376

May

$388

June

$379

July

$351

August

$326

September

$328

October

$338

November

$373

December

$304

Temperature and rainfall in Knoxville by month

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

TYS

Temperature

39.2 - 78.8 °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 May 3, 2024.
See what other customers who have flown with United Airlines and Frontier from Raleigh to Knoxville have to say. 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
8.1
Very good
10,848 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Frontier
6.3
Okay
4,100 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

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.

  • Can I find flights from Raleigh to Knoxville for under $200 on Cheapflights?

    Yes, there are multiple flights from Raleigh to Knoxville for under $200. The cheapest flight booked recently is on Frontier for just $162, but on average you can expect to pay $349.

  • Are there last-minute flights available from Raleigh to Knoxville for under $300?

    There are currently 3+ open flights from Raleigh to Knoxville within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Raleigh to Knoxville round-trip?

    Our cheapest airline available from Raleigh to Knoxville is Frontier. Our recent data shows that you can find tickets from as low as $162 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $278 and $468 round-trip. Frontier is currently priced 66% below the average price you’ll pay for this route.

  • What are the most popular airlines that fly from Raleigh to Knoxville?

    When booking a flight from Raleigh to Knoxville, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

  • What does RDU to TYS mean?

    RDU stands for Raleigh-Durham Airport, while TYS stands for Knoxville McGhee Tyson Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Raleigh to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Raleigh to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Raleigh to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Raleigh to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Raleigh to Knoxville that allow pets onboard?

    Many airlines flying from Raleigh to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Raleigh to Knoxville?

    Yes, you can often find last-minute deals on Raleigh to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Raleigh to Knoxville flight deals updated?

    The Raleigh to Knoxville flight deals you see on this page were last updated on 5/3.

See more FAQs

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Top 4 airlines flying from Raleigh to Knoxville

Discover the top 4 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 2,864,334 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$199FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$169Average$426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$211Average$459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$265Average$436FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Raleigh to Knoxville by cabin class

Find flights from Raleigh to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Why should you use Cheapflights to find cheap flight tickets from Raleigh to Knoxville?

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Can Cheapflights find flights from Raleigh to Knoxville with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Raleigh to Knoxville flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Raleigh to Knoxville become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Knoxville from Raleigh today and book when prices fit your budget.

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