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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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TYS
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Knoxville McGhee Tyson are usually found in August or September, booked 42 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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Cheapflightsfares)

One-way from

$68
(Booking.com)

Popular in

March

Cheapest in

August

Average price

$348

Good round-trip deal

$129 or less

Good one-way deal

$113 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. 10% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:16 amDEN - TYS
Nonstop2h 44mAllegiant Air
Thu 4/106:20 amTYS - DEN
Nonstop3h 11mAllegiant Air
Deal found 3/21$98
This Mytrip deal was found by Cheapflights users on 3/20. 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 6/2610:15 amDEN - TYS
1 stop27h 56mMultiple Airlines
Sun 6/293:56 pmTYS - DEN
Nonstop3h 03mMultiple Airlines
Deal found 3/20$215
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/3011:00 amDEN - TYS
Nonstop2h 43mFrontier
Thu 4/34:31 pmTYS - DEN
Nonstop3h 25mFrontier
Deal found 3/20$228
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/1111:59 pmDEN - TYS
1 stop8h 39mAmerican Airlines
Mon 4/146:18 pmTYS - DEN
1 stop5h 40mAmerican Airlines
Deal found 3/20$249
This Delta deal was found by Cheapflights users on 3/20. 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.
Thu 5/82:35 pmDEN - TYS
1 stop6h 29mDelta
Sat 5/106:50 amTYS - DEN
1 stop5h 19mDelta
Deal found 3/20$264
This United deal was found by Cheapflights users on 3/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/169:55 amDEN - TYS
Nonstop2h 49mUnited Airlines
Sat 4/194:31 pmTYS - DEN
Nonstop3h 27mUnited Airlines
Deal found 3/21$289

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 March 21, 2025.
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

Thu 4/3

9:16 am-2:00 pm

Nonstop2h 44m

Knoxville McGhee Tyson

Thu 4/10

6:20 am-7:31 am

Nonstop3h 11m

$98

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 6/5

6:25 pm-4:11 pm

1 stop19h 46m

Knoxville McGhee Tyson

Sun 6/8

3:46 pm-4:51 pm

Nonstop3h 05m

$221

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Sun 3/30

11:00 am-3:43 pm

Nonstop2h 43m

Knoxville McGhee Tyson

Thu 4/3

4:31 pm-5:56 pm

Nonstop3h 25m

$228

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 4/11

11:59 pm-10:38 am

1 stop8h 39m

Knoxville McGhee Tyson

Mon 4/14

6:18 pm-9:58 pm

1 stop5h 40m

$249

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 5/8

2:35 pm-11:04 pm

1 stop6h 29m

Knoxville McGhee Tyson

Sat 5/10

6:50 am-10:09 am

1 stop5h 19m

$264

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 4/16

9:55 am-2:44 pm

Nonstop2h 49m

Knoxville McGhee Tyson

Sat 4/19

4:31 pm-5:58 pm

Nonstop3h 27m

$289

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Sun 5/4

8:21 am-1:05 pm

Nonstop2h 44m

$68

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 5/1

6:30 pm-2:30 pm

2 stops18h 00m

$184

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Tue 4/22

12:31 pm-11:30 pm

1 stop8h 59m

$187

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 5/9

5:20 pm-10:24 pm

Nonstop3h 04m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 11 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Knoxville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 14, 2025.

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 42 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, January is the cheapest month in which you can book a flight from Denver to Knoxville (average of $295). Flying from Denver 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 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 March 21, 2025.

It’s typically best to fly out from Denver to Knoxville at noon. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Denver to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Denver to Knoxville. Price data was last updated on March 16, 2025.

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

Weekly flight availability from Denver to Knoxville

Explore weekly flight availability from Denver to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

The most flights from DEN to TYS are scheduled on a Thursday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Knoxville by month

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

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

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

If weather is an important factor for your trip to Knoxville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 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 March 21, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Denver to Knoxville by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
732 reviews
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,272 reviews
Delta
8.0
Very good
7,895 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 43m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Denver Intl to Knoxville.

  • How popular is this Denver to Knoxville flight route?

    Within the past month, 7 users have taken a look at flights from Denver Intl to Knoxville McGhee Tyson.

  • 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 $98 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $249 and $264 round-trip. These flights start at 60% 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 $68. Users have also found prices from $187 and $234 on American Airlines and United Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Denver to Knoxville are Frontier (100%), Allegiant Air (94%) and SkyWest Airlines (85%).

  • What are the cheapest flights from Denver to Knoxville?

    Looking for the cheapest flight from Denver to Knoxville? While on average our users pay $205, our data indicates the cheapest price to be $67. The most popular route (Denver Intl - Knoxville McGhee Tyson), is priced around $98.

  • 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, January is the cheapest month in which you can book a flight from Denver to Knoxville (average of $295). Flying from Denver 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 Denver?

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

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Top 5 airlines flying from Denver to Knoxville

Discover the top 5 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$144FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$68Average$141FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$315FlexibilityNo cancel feeOn-time71%
DeltaCheapest$215Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$224Average$450FlexibilityNo cancel feeOn-time69%
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