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$68+ Cheap flights from Denver to Knoxville (DEN - 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TYS
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Find cheap flights from Denver to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Denver Intl to Knoxville McGhee Tyson are usually found in August or November, booked 54 days in advance, depart on a Thursday or Sunday and return on a Thursday

Cheap flight deals from Denver to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$132
(Super.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$325

Good round-trip deal

$264 or less

Good one-way deal

$134 or less
Provider with most accurate pricing for Denver Intl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Knoxville McGhee Tyson flights.
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From Denver Intl to Knoxville McGhee Tyson
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One-way flight from Denver Intl to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Denver Intl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Denver Intl to Knoxville McGhee Tyson.
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Find flight deals from Denver to Knoxville

Cheapest flights from Denver to Knoxville
Explore the most affordable flight options available from Denver to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This Super.com deal was found by Cheapflights users on 1/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2310:45 am
DEN
-
TYS
Nonstop2h 45m
Frontier
Mon 1/264:30 pm
TYS
-
DEN
Nonstop3h 32m
Frontier
Deal found 1/14$122
This Super.com deal was found by Cheapflights users on 1/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:23 pm
DEN
-
TYS
Nonstop2h 43m
Frontier
Mon 3/28:13 pm
TYS
-
DEN
Nonstop3h 31m
Frontier
Deal found 1/13$132
This Super.com deal was found by Cheapflights users on 1/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/610:45 am
DEN
-
TYS
Nonstop2h 45m
Frontier
Fri 2/138:12 pm
TYS
-
DEN
Nonstop3h 31m
Frontier
Deal found 1/14$146
This Super.com deal was found by Cheapflights users on 1/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:46 pm
DEN
-
TYS
Nonstop2h 41m
Frontier
Mon 2/168:13 pm
TYS
-
DEN
Nonstop3h 31m
Frontier
Deal found 1/14$157
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/1911:37 am
DEN
-
TYS
1 stop8h 33m
Multiple Airlines
Sun 2/225:56 pm
TYS
-
DEN
1 stop18h 26m
Multiple Airlines
Deal found 1/14$162
This Booking.com deal was found by Cheapflights users on 1/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:11 am
DEN
-
TYS
Nonstop2h 48m
Allegiant Air
Sun 5/247:00 am
TYS
-
DEN
Nonstop3h 21m
Allegiant Air
Deal found 1/15$177
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Fri 1/3010:45 am
DEN
-
TYS
Nonstop2h 45m
Multiple Airlines
Sun 2/17:26 pm
TYS
-
DEN
2 stops42h 53m
Multiple Airlines
Deal found 1/14$202
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/271:23 pm
DEN
-
TYS
Nonstop2h 43m
Multiple Airlines
Mon 3/29:36 pm
TYS
-
DEN
2 stops26h 05m
Multiple Airlines
Deal found 1/13$204
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/132:46 pm
DEN
-
TYS
Nonstop2h 41m
Multiple Airlines
Sun 2/156:11 pm
TYS
-
DEN
2 stops38h 51m
Multiple Airlines
Deal found 1/13$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 January 16, 2026.
Use the filters below to find and compare flights from Denver to Knoxville that are best for you.

Fly from

Denver

Fly to

Knoxville

Route

Depart

Return

Price

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 4/15

10:10 am-3:06 pm

Nonstop2h 56m

Knoxville McGhee Tyson

Sat 4/18

4:30 pm-5:56 pm

Nonstop3h 26m

$229

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 5/20

5:27 pm-10:23 pm

Nonstop2h 56m

Knoxville McGhee Tyson

Sat 5/23

8:45 am-10:03 am

Nonstop3h 18m

$229

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 5/6

5:27 pm-10:23 pm

Nonstop2h 56m

Knoxville McGhee Tyson

Sat 5/9

9:00 am-2:26 pm

1 stop7h 26m

$239

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 2/4

5:30 pm-10:31 pm

Nonstop3h 01m

Knoxville McGhee Tyson

Wed 2/25

7:25 pm-12:30 am

1 stop7h 05m

$239

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Tue 5/5

5:30 pm-10:23 pm

Nonstop2h 53m

Knoxville McGhee Tyson

Tue 5/12

7:05 am-12:00 pm

1 stop6h 55m

$239

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Tue 4/28

11:30 am-8:25 pm

1 stop6h 55m

Knoxville McGhee Tyson

Fri 5/8

4:00 pm-10:18 pm

1 stop8h 18m

$249

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Sat 5/2

2:39 pm-10:59 pm

1 stop6h 20m

Knoxville McGhee Tyson

Fri 5/8

5:15 pm-9:38 pm

1 stop6h 23m

$249

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Tue 5/12

12:55 am-10:10 am

1 stop7h 15m

Knoxville McGhee Tyson

Fri 5/15

7:20 pm-11:51 pm

1 stop6h 31m

$249

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Mon 4/27

12:35 am-10:06 am

1 stop7h 31m

Knoxville McGhee Tyson

Thu 5/7

7:20 pm-11:51 pm

1 stop6h 31m

$249

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Tue 5/5

8:40 am-7:40 pm

2 stops9h 00m

Knoxville McGhee Tyson

Tue 5/12

2:55 pm-7:25 pm

1 stop6h 30m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 20 results
1
2

Compare providers for flights from Denver to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Knoxville in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Knoxville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Knoxville

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

How far ahead should I book a flight from Denver to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Knoxville. Price data was last updated on January 9, 2026.

The price you pay for your flight from Denver to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Denver to Knoxville (average of $57). Flying from Denver to Knoxville in January is currently the most expensive (average of $101). 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 DEN to TYS?

Find hourly flight availability from Denver 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 January 16, 2026.

When flying from Denver to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 16, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Denver 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
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,057 reviews
Delta
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,165 reviews
Delta
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,144 reviews
Delta
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
702 reviews
Delta
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,057 reviews
Delta
7.9
Good
8,057 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Denver to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Knoxville?

    Booking a flight from Denver Intl (DEN) to Knoxville McGhee Tyson (TYS) is your only option if you wish to fly from Denver to Knoxville. On a typical day, there are 2 flights from Denver Intl to McGhee Tyson, all of which are around 2h 41m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Denver Intl to Knoxville.

  • How popular is this Denver to Knoxville flight route?

    Within the past month, 6 users have taken a look at flights from Denver Intl to Knoxville McGhee Tyson.

  • How long is the flight from Denver to Knoxville?

    Frontier can get you from Denver to Knoxville in just under 2h 43m. Your travel time will be generally consistent. Denver and Knoxville are separated by a distance of 1159 mi. All flights are typically nonstop.

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

    Our cheapest airline available from Denver to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $58 on this airline. Additional options worth looking into are Frontier and Delta, starting at $66 and $128 round-trip. These flights start at 77% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $59. Users have also found prices from $60 and $124 on Frontier and Delta, respectively.

  • What are the most reliable airlines from Denver to Knoxville?

    The top 3 most reliable airlines when flying from Denver to Knoxville are Allegiant Air (94%), United Airlines (92%) and SkyWest Airlines (88%).

  • What are the cheapest flights from Denver to Knoxville?

    Looking for the cheapest flight from Denver to Knoxville? While on average our users pay $245, our data indicates the cheapest price to be $91. The most popular route (Denver Intl - Knoxville McGhee Tyson), is priced around $162.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Denver to Knoxville (average of $57). Flying from Denver to Knoxville in January is currently the most expensive (average of $101). 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
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 6 airlines flying from Denver to Knoxville

Discover the top 6 airlines that operate flights from Denver 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 January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$58Average$123FlexibilityNo cancel feeOn-time88%
FrontierCheapest$66Average$186FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$273FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$395FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$248Average$292FlexibilityNo cancel feeOn-time63%

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