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Cheap flights from Denver to Knoxville from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Knoxville departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Knoxville

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Denver to Knoxville.
Allegiant Air Logo
8:21 am - 1:05 pmDEN-TYS
2h 44mnonstop
Allegiant Air Logo
3:52 pm - 5:00 pmTYS-DEN
3h 08mnonstop
$101Allegiant Air
Find Deal
Sun, May 11 - Thu, May 29
Allegiant Air Logo
8:21 am - 1:05 pmDEN-TYS
2h 44mnonstop
Allegiant Air Logo
3:52 pm - 5:00 pmTYS-DEN
3h 08mnonstop
$105Allegiant Air
Find Deal
Sun, May 11 - Thu, May 29
Frontier Logo
11:41 am - 4:35 pmDEN-TYS
2h 54mnonstop
Frontier Logo
5:25 pm - 6:48 pmTYS-DEN
3h 23mnonstop
$215Frontier
Find Deal
Thu, May 29 - Thu, Jun 5
Frontier Logo
11:41 am - 4:29 pmDEN-TYS
2h 48mnonstop
Frontier Logo
5:25 pm - 6:40 pmTYS-DEN
3h 15mnonstop
$219Frontier
Find Deal
Thu, Jul 24 - Sun, Jul 27
Delta Logo
12:59 am - 10:40 amDEN-TYS
7h 41m1 stop
Delta Logo
7:25 pm - 11:47 pmTYS-DEN
6h 22m1 stop
$249Delta
Find Deal
Fri, Jul 11 - Fri, Jul 18
Delta Logo
12:55 am - 9:21 amDEN-TYS
6h 26m1 stop
Delta Logo
5:45 am - 8:35 amTYS-DEN
4h 50m1 stop
$264Delta
Find Deal
Sat, May 3 - Sun, May 11
American Airlines Logo
5:00 am - 2:05 pmDEN-TYS
7h 05m1 stop
American Airlines Logo
6:28 pm - 11:59 pmTYS-DEN
7h 31m1 stop
$299American Airlines
Find Deal
Thu, May 8 - Sun, May 11
United Airlines Logo
6:00 am - 1:22 pmDEN-TYS
5h 22m1 stop
United Airlines Logo
4:52 pm - 6:08 pmTYS-DEN
3h 16mnonstop
$309United Airlines
Find Deal
Sun, May 11 - Thu, May 29
United Airlines Logo
6:00 am - 1:22 pmDEN-TYS
5h 22m1 stop
United Airlines Logo
9:00 am - 10:26 amTYS-DEN
3h 26mnonstop
$324United Airlines
Find Deal
Sun, May 11 - Thu, May 29
American Airlines Logo
1:45 pm - 10:07 pmDEN-TYS
6h 22m1 stop
American Airlines Logo
5:05 am - 8:36 amTYS-DEN
5h 31m1 stop
$334American Airlines
Find Deal
Sat, May 17 - Mon, May 26

Allegiant Air flights from Denver to Knoxville

Our best Allegiant Air deals on Denver to Knoxville flight tickets
Allegiant Air
May 11
DEN8:21 amDenver Intl
2h 44m
TYS1:05 pmKnoxville McGhee Tyson
May 29
TYS3:52 pmKnoxville McGhee Tyson
3h 08m
DEN5:00 pmDenver Intl
Allegiant Air
May 11
DEN8:21 amDenver Intl
2h 44m
TYS1:05 pmKnoxville McGhee Tyson
May 29
TYS3:52 pmKnoxville McGhee Tyson
3h 08m
DEN5:00 pmDenver Intl
Allegiant Air
May 8
DEN8:21 amDenver Intl
2h 44m
TYS1:05 pmKnoxville McGhee Tyson
May 11
TYS6:20 amKnoxville McGhee Tyson
3h 11m
DEN7:31 amDenver Intl

United Airlines flights from Denver to Knoxville

Our best United Airlines deals on Denver to Knoxville flight tickets
United Airlines
May 11
DEN6:00 amDenver Intl
5h 22m
1 stop
TYS1:22 pmKnoxville McGhee Tyson
May 29
TYS4:52 pmKnoxville McGhee Tyson
3h 16m
DEN6:08 pmDenver Intl
United Airlines
May 11
DEN6:00 amDenver Intl
5h 22m
1 stop
TYS1:22 pmKnoxville McGhee Tyson
May 29
TYS9:00 amKnoxville McGhee Tyson
3h 26m
DEN10:26 amDenver Intl
United Airlines
Apr 23
DEN5:27 pmDenver Intl
3h 03m
TYS10:30 pmKnoxville McGhee Tyson
Apr 30
TYS9:00 amKnoxville McGhee Tyson
7h 32m
1 stop
DEN2:32 pmDenver Intl

See travel insights to Knoxville from

How to get the cheapest flight ticket from Denver to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Denver, with most prices found around $148. If you aren’t able to travel during the month of August, then book flights to Knoxville from Denver during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $177.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Denver to Knoxville is on a Thursday. Travelers who choose to depart for Knoxville on a Thursday will often find tickets for as low as $169. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Knoxville for around $301.

What is the cheapest time of day to depart on your flight to Knoxville?

At noon is the cheapest time of day to fly from Denver to Knoxville when you can find flight prices for as low as $127. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $249.

What is the cheapest Denver Intl to Knoxville McGhee Tyson flight route?

Fly from Denver Intl to Knoxville McGhee Tyson for the best Denver Intl - Knoxville McGhee Tyson flight prices

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

You are more likely to see cheaper flights to Knoxville from Denver when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $245 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Denver for as low as $150 on momondo.

What cabin class options are available on Denver Intl to Knoxville McGhee Tyson flights?

There are 3 cabin classes available to choose from on Denver Intl to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to Knoxville flight prices changed over time?

As of April 2025, prices for Denver to Knoxville flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Knoxville (DEN to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Knoxville

Best Price Found

$64

Fastest flight time

2h 43m

Direct flights

Mon, Tue, Thu, Fri and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Denver in the past 72 hours is $64. The best round-trip flight deal from Denver to Knoxville found on momondo in the last 72 hours is $101.
The fastest flight from Denver to Knoxville takes 2h 43m
Direct flights go from Denver to Knoxville on Monday, Tuesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines, Allegiant Air and Frontier.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Denver Intl to Knoxville McGhee Tyson by plane?

    Denver Intl and Knoxville McGhee Tyson are 1174.7 mi apart from one another. Flights usually cover this in 2h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Denver Intl Airport to Knoxville McGhee Tyson Airport are updated daily.

  • How many operators does momondo search for flights from Denver Intl Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Denver Intl Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Denver to Knoxville?

  • What is the most popular airline from Denver to Knoxville?


Best airlines flying from Denver to Knoxville

Compare and see reviews for airlines that fly from Denver to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $62Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
Allegiant AirPriceFrom $66Free CancellationRating
7.3
734 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $215Free CancellationRating
8.0
7,917 reviews
Search Delta flights
United AirlinesPriceFrom $224Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
  • United Airlines Flights From Denver to Knoxville

    United Airlines operates around 13 flights from Denver to Knoxville every week. The average price of these flights found in the last 72 hours has been $449, but momondo users have found United Airlines deals from Denver to Knoxville from as low as $224 round-trip. United Airlines has been scored 7.4/10 in 8,667 reviews.

  • Allegiant Air Flights From Denver to Knoxville

    Allegiant Air is also a popular choice for this route. Allegiant Air flight deals for Denver to Knoxville start from as low as $66 round-trip, depending on your selected dates, with average Allegiant Air deals seen on momondo around $133. Allegiant Air operates 2 flights to Knoxville from Denver in an average week. Users have rated it 7.3/10 across 734 reviews.


Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Murphy
Maryville
Newport
Alcoa
Oak Ridge
Kodak
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Knoxville?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Knoxville. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to Knoxville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Knoxville from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Knoxville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Knoxville.

I’m not ready to book a flight from Denver to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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