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Cheap flights from Colorado to Knoxville from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Knoxville departing on 1/5. 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 Colorado to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:42 pm - 7:23 pm
DEN
-
TYS
2h 41mnonstop
Frontier Logo
8:18 pm - 9:49 pm
TYS
-
DEN
3h 31mnonstop
$204Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
10:45 am - 3:30 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
4:30 pm - 6:02 pm
TYS
-
DEN
3h 32mnonstop
$205Frontier
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
9:44 pm - 6:39 pm
DEN
-
TYS
18h 55m1 stop
Multiple Airlines Logo
10:00 am - 11:44 pm
TYS
-
DEN
15h 44m1 stop
$210Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
9:44 pm - 6:39 pm
DEN
-
TYS
18h 55m1 stop
Multiple Airlines Logo
12:55 pm - 5:36 pm
TYS
-
DEN
30h 41m1 stop
$211Multiple Airlines
Wed, Jan 21 - Mon, Jan 26
Multiple Airlines Logo
9:44 pm - 6:39 pm
DEN
-
TYS
18h 55m1 stop
Multiple Airlines Logo
4:30 pm - 6:02 pm
TYS
-
DEN
3h 32mnonstop
$213Multiple Airlines
Wed, Jan 21 - Mon, Jan 26
Frontier Logo
10:45 am - 3:30 pm
DEN
-
TYS
2h 45mnonstop
Frontier Logo
4:25 pm - 5:57 pm
TYS
-
DEN
3h 32mnonstop
$216Frontier
Fri, Jan 23 - Fri, Jan 30
American Airlines Logo
6:12 am - 3:46 pm
COS
-
TYS
7h 34m1 stop
American Airlines Logo
12:21 pm - 5:41 pm
TYS
-
COS
7h 20m1 stop
$249American Airlines
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
3:17 pm - 10:47 pm
COS
-
TYS
5h 30m1 stop
American Airlines Logo
7:54 am - 12:09 pm
TYS
-
COS
6h 15m1 stop
$253American Airlines
Tue, Jan 20 - Fri, Jan 23
United Airlines Logo
7:30 am - 3:14 pm
COS
-
TYS
5h 44m1 stop
United Airlines Logo
4:55 pm - 9:58 pm
TYS
-
COS
7h 03m1 stop
$299United Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
1:25 pm - 10:31 pm
COS
-
TYS
7h 06m1 stop
United Airlines Logo
6:45 am - 2:34 pm
TYS
-
COS
9h 49m2 stops
$304United Airlines
Thu, Jan 8 - Mon, Jan 12

American Airlines flights from Colorado to Knoxville

Our best American Airlines deals on Colorado to Knoxville flight tickets
American Airlines
Jan 20
COS6:12 amColorado Springs
7h 34m
1 stop
TYS3:46 pmKnoxville McGhee Tyson
Jan 27
TYS12:21 pmKnoxville McGhee Tyson
7h 20m
1 stop
COS5:41 pmColorado Springs
$249
Find similar
American Airlines
Jan 20
COS3:17 pmColorado Springs
5h 30m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
Jan 23
TYS7:54 amKnoxville McGhee Tyson
6h 15m
1 stop
COS12:09 pmColorado Springs
$253
Find similar
American Airlines
Jan 20
COS6:12 amColorado Springs
7h 34m
1 stop
TYS3:46 pmKnoxville McGhee Tyson
Jan 27
TYS10:11 amKnoxville McGhee Tyson
9h 30m
2 stops
COS5:41 pmColorado Springs
$254
Find similar

United Airlines flights from Colorado to Knoxville

Our best United Airlines deals on Colorado to Knoxville flight tickets
United Airlines
Jan 24
DEN5:30 pmDenver Intl
3h 01m
TYS10:31 pmKnoxville McGhee Tyson
Jan 31
TYS4:25 pmKnoxville McGhee Tyson
3h 50m
DEN6:15 pmDenver Intl
$229
Find similar
United Airlines
Mar 24
DEN10:13 amDenver Intl
2h 47m
TYS3:00 pmKnoxville McGhee Tyson
Mar 30
TYS5:48 pmKnoxville McGhee Tyson
7h 56m
1 stop
DEN11:44 pmDenver Intl
$266
Find similar
United Airlines
Feb 9
DEN11:59 pmDenver Intl
8h 58m
1 stop
TYS10:57 amKnoxville McGhee Tyson
Feb 14
TYS8:45 amKnoxville McGhee Tyson
3h 50m
DEN10:35 amDenver Intl
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado 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 December 26, 2025.
Use the filters below to find and compare flights from Colorado to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 1/15

2:42 pm-7:23 pm

Nonstop2h 41m

Knoxville McGhee Tyson

Sun 1/18

8:18 pm-9:49 pm

Nonstop3h 31m

$204

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

$205

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 1/21

9:44 pm-6:39 pm

1 stop18h 55m

Knoxville McGhee Tyson

Sun 1/25

10:00 am-11:44 pm

1 stop15h 44m

$210

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 1/21

9:44 pm-6:39 pm

1 stop18h 55m

Knoxville McGhee Tyson

Mon 1/26

12:55 pm-5:36 pm

1 stop30h 41m

$211

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Wed 1/21

9:44 pm-6:39 pm

1 stop18h 55m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-6:02 pm

Nonstop3h 32m

$213

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 1/23

10:45 am-3:30 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Fri 1/30

4:25 pm-5:57 pm

Nonstop3h 32m

$216

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Tue 1/20

6:12 am-3:46 pm

1 stop7h 34m

Knoxville McGhee Tyson

Tue 1/27

12:21 pm-5:41 pm

1 stop7h 20m

$249

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Tue 1/20

3:17 pm-10:47 pm

1 stop5h 30m

Knoxville McGhee Tyson

Fri 1/23

7:54 am-12:09 pm

1 stop6h 15m

$253

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Thu 1/8

7:30 am-3:14 pm

1 stop5h 44m

Knoxville McGhee Tyson

Mon 1/12

4:55 pm-9:58 pm

1 stop7h 03m

$299

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Thu 1/8

1:25 pm-10:31 pm

1 stop7h 06m

Knoxville McGhee Tyson

Mon 1/12

6:45 am-2:34 pm

2 stops9h 49m

$304

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 Colorado 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 Colorado, with most prices found around $174. If you aren’t able to travel during the month of August, then book flights to Knoxville from Colorado during April instead. Flights to Knoxville in April, while not as cheap as those in August, still average around $192.

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

The cheapest day to depart from Colorado 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 Colorado 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 Colorado to Knoxville when you can find flight prices for as low as $171. 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 $242.

What is the cheapest Colorado to Knoxville McGhee Tyson flight route?

Fly from Denver Intl to Knoxville McGhee Tyson for the best Colorado - 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 Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $255 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Colorado for as low as $178 on momondo.

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

There are 2 cabin classes available to choose from on Colorado 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.

Can stopping save me money on Colorado to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Colorado to Knoxville.

Cheap Colorado to Knoxville flight deals and tips

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

Best Price Found

$95

Fastest flight time

2h 41m

Direct flights

Every day

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Colorado in the past 72 hours is $95. The best round-trip flight deal from Colorado to Knoxville found on momondo in the last 72 hours is $130.
The fastest flight from Colorado to Knoxville takes 2h 41m
Direct flights go from Colorado to Knoxville every day.
There is 1 airport in Knoxville. From Colorado there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

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

    Prices for flights from Colorado to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado 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 Colorado to Knoxville?

Best airlines flying from Colorado to Knoxville

Compare and see reviews for airlines that fly from Colorado to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $63Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
FrontierPriceFrom $84Free CancellationRating
5.8
3,070 reviews
Search Frontier flights
DeltaPriceFrom $133Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,064 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights

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
Maryville
Crossville
Murphy
Alcoa
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 Colorado to Knoxville?

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

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

Yes. momondo allows you to filter the results for Colorado to Knoxville flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Colorado and Knoxville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Knoxville from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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