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Cheap flights from Denver to Knoxville from $69

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 2/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:38 pm - 5:53 pm
DEN
-
TYS
23h 15m1 stop
Multiple Airlines Logo
4:30 pm - 6:02 pm
TYS
-
DEN
3h 32mnonstop
$152Multiple Airlines
Sat, Jan 24 - Mon, Jan 26
Frontier Logo
10:45 am - 3:30 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
4:30 pm - 6:02 pm
TYS
-
DEN
3h 32mnonstop
$153Frontier
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
7:35 am - 5:53 pm
DEN
-
TYS
8h 18m1 stop
Multiple Airlines Logo
4:30 pm - 6:02 pm
TYS
-
DEN
3h 32mnonstop
$155Multiple Airlines
Sun, Jan 25 - Mon, Jan 26
Frontier Logo
2:46 pm - 7:27 pm
DEN
-
TYS
2h 41mnonstop
Frontier Logo
8:13 pm - 9:44 pm
TYS
-
DEN
3h 31mnonstop
$171Frontier
Fri, Feb 13 - Mon, Feb 23
Frontier Logo
2:46 pm - 7:27 pm
DEN
-
TYS
2h 41mnonstop
Frontier Logo
8:13 pm - 9:44 pm
TYS
-
DEN
3h 31mnonstop
$172Frontier
Fri, Feb 13 - Mon, Feb 23
Frontier Logo
10:40 am - 3:25 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
4:20 pm - 5:52 pm
TYS
-
DEN
3h 32mnonstop
$182Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
10:40 am - 3:25 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
4:20 pm - 5:52 pm
TYS
-
DEN
3h 32mnonstop
$184Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
10:45 am - 3:30 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
8:12 pm - 9:43 pm
TYS
-
DEN
3h 31mnonstop
$186Frontier
Fri, Feb 6 - Fri, Feb 13
Allegiant Air Logo
9:05 am - 1:52 pm
DEN
-
TYS
2h 47mnonstop
Allegiant Air Logo
7:00 am - 8:15 am
TYS
-
DEN
3h 15mnonstop
$188Allegiant Air
Thu, Jun 11 - Sun, Jun 14
American Airlines Logo
6:23 am - 1:54 pm
DEN
-
TYS
5h 31m1 stop
American Airlines Logo
6:05 am - 10:31 am
TYS
-
DEN
6h 26m1 stop
$189American Airlines
Wed, Jan 28 - Tue, Feb 3

Southwest flights from Denver to Knoxville

Our best Southwest deals on Denver to Knoxville flight tickets
Southwest
Apr 21
DEN6:50 amDenver Intl
5h 30m
1 stop
TYS2:20 pmKnoxville McGhee Tyson
Apr 28
TYS5:50 pmKnoxville McGhee Tyson
6h 50m
1 stop
DEN10:40 pmDenver Intl
$190
Southwest
Apr 1
DEN7:55 amDenver Intl
10h 10m
2 stops
TYS8:05 pmKnoxville McGhee Tyson
Apr 8
TYS5:50 pmKnoxville McGhee Tyson
6h 50m
1 stop
DEN10:40 pmDenver Intl
$195
Southwest
Apr 15
DEN11:40 amDenver Intl
6h 00m
2 stops
TYS7:40 pmKnoxville McGhee Tyson
Apr 18
TYS5:40 pmKnoxville McGhee Tyson
6h 55m
1 stop
DEN10:35 pmDenver Intl
$225

United Airlines flights from Denver to Knoxville

Our best United Airlines deals on Denver to Knoxville flight tickets
United Airlines
Jan 22
DEN5:30 pmDenver Intl
3h 01m
TYS10:31 pmKnoxville McGhee Tyson
Jan 29
TYS4:25 pmKnoxville McGhee Tyson
3h 50m
DEN6:15 pmDenver Intl
$254
United Airlines
Feb 10
DEN5:30 pmDenver Intl
3h 01m
TYS10:31 pmKnoxville McGhee Tyson
Feb 15
TYS6:45 amKnoxville McGhee Tyson
5h 48m
1 stop
DEN10:33 amDenver Intl
$265
United Airlines
Jan 17
DEN5:30 pmDenver Intl
3h 01m
TYS10:31 pmKnoxville McGhee Tyson
Jan 21
TYS8:45 amKnoxville McGhee Tyson
3h 49m
DEN10:34 amDenver Intl
$329

momondo 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, momondo users made 832,500 searches. Data last updated January 9, 2026.
Use the filters below to find and compare flights from Denver to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Sat 1/24

4:38 pm-5:53 pm

1 stop23h 15m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-6:02 pm

Nonstop3h 32m

$152

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 1/23

10:45 am-3:30 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-6:02 pm

Nonstop3h 32m

$153

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Sun 1/25

7:35 am-5:53 pm

1 stop8h 18m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-6:02 pm

Nonstop3h 32m

$155

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 2/13

2:46 pm-7:27 pm

Nonstop2h 41m

Knoxville McGhee Tyson

Mon 2/23

8:13 pm-9:44 pm

Nonstop3h 31m

$171

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 2/13

2:46 pm-7:27 pm

Nonstop2h 41m

Knoxville McGhee Tyson

Mon 2/23

8:13 pm-9:44 pm

Nonstop3h 31m

$172

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 3/6

10:40 am-3:25 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Mon 3/9

4:20 pm-5:52 pm

Nonstop3h 32m

$182

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 3/6

10:40 am-3:25 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Mon 3/9

4:20 pm-5:52 pm

Nonstop3h 32m

$184

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 2/6

10:45 am-3:30 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Fri 2/13

8:12 pm-9:43 pm

Nonstop3h 31m

$186

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 6/11

9:05 am-1:52 pm

Nonstop2h 47m

Knoxville McGhee Tyson

Sun 6/14

7:00 am-8:15 am

Nonstop3h 15m

$188

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 1/28

6:23 am-1:54 pm

1 stop5h 31m

Knoxville McGhee Tyson

Tue 2/3

6:05 am-10:31 am

1 stop6h 26m

$189

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $174. If you aren’t able to travel during the month of August, then book flights to Knoxville from Denver during November instead. Flights to Knoxville in November, while not as cheap as those in August, still average around $199.

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 $170. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Knoxville for around $380.

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 $169. 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 $241.

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 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $248 when searching 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 $192 on momondo.

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

There are 2 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 January 2026, prices for Denver to Knoxville flights are approximately 53% more expensive 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

$98

Fastest flight time

2h 41m

Direct flights

Every day

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Denver in the past 72 hours is $98. The best round-trip flight deal from Denver to Knoxville found on momondo in the last 72 hours is $215.
The fastest flight from Denver to Knoxville takes 2h 41m
Direct flights go from Denver to Knoxville every day.
There is 1 airport in Knoxville. From Denver there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

  • 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 41m, 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
Allegiant AirPriceFrom $63Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
FrontierPriceFrom $87Free CancellationRating
5.7
3,060 reviews
Search Frontier flights
DeltaPriceFrom $133Free CancellationRating
7.9
8,031 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
9,143 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Knoxville

    United Airlines operates around 14 flights from Denver to Knoxville every week. The average price of these flights found in the last 72 hours has been $432, but momondo users have found United Airlines deals from Denver to Knoxville from as low as $233 round-trip. United Airlines has been scored 7.4/10 in 9,143 reviews.

  • Frontier Flights From Denver to Knoxville

    Frontier is also a popular choice for this route. Frontier flight deals for Denver to Knoxville start from as low as $87 round-trip, depending on your selected dates, with average Frontier deals seen on momondo around $200. Frontier operates 2 flights to Knoxville from Denver in an average week. Users have rated it 5.7/10 across 3,060 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
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Jefferson City
Clinton
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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