What airlines fly to Colorado?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Colorado from Knoxville according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many flights depart from Knoxville to Colorado on average per day?

As of August 2025, there are 2 flights per day flying from Knoxville to Colorado. The most common time of day flights depart is 9:00AM, with 60% of flights taking off in the afternoon.

How many flights depart from Knoxville to Colorado on average per week?

As of August 2025, 16 flights take off from Knoxville and land in Colorado each week. The most common flight departure day for this route is Sun, with 25% of weekly flights taking off on this day.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Colorado?

Frontier, Allegiant Air, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to Colorado

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

Prices for flights from Knoxville McGhee Tyson Airport to Colorado were last updated today.

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

The number of operators available for flights from Knoxville McGhee Tyson Airport to Colorado is 5 as of August 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado 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 Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$53 Cheap Flights from Knoxville to Colorado in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Knoxville to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:40 pm - 9:49 pmTYS-DEN

3h 09mnonstop

11:29 am - 4:18 pmDEN-TYS

2h 49mnonstop

$85Frontier

Find Deal

Thu, Sep 4 - Sun, Sep 7

7:00 am - 8:04 amTYS-DEN

3h 04mnonstop

8:54 am - 1:33 pmDEN-TYS

2h 39mnonstop

$105Allegiant Air

Find Deal

Thu, Oct 2 - Sun, Oct 5

7:00 am - 8:06 amTYS-DEN

3h 06mnonstop

11:29 am - 4:18 pmDEN-TYS

2h 49mnonstop

$134

Find Deal

Thu, Sep 4 - Sun, Sep 7

7:00 am - 8:04 amTYS-DEN

3h 04mnonstop

2:59 pm - 7:45 pmDEN-TYS

2h 46mnonstop

$168

Find Deal

Thu, Oct 2 - Mon, Oct 6

4:37 pm - 10:09 pmTYS-DEN

7h 32m1 stop

5:44 am - 1:12 pmDEN-TYS

5h 28m1 stop

$219American Airlines

Find Deal

Wed, Sep 24 - Fri, Sep 26

6:00 am - 9:41 amTYS-DEN

5h 41m1 stop

5:44 am - 1:12 pmDEN-TYS

5h 28m1 stop

$234American Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

6:04 pm - 11:04 pmTYS-DEN

7h 00m1 stop

12:55 am - 11:04 amDEN-TYS

8h 09m1 stop

$237Delta

Find Deal

Fri, Oct 17 - Mon, Oct 20

4:40 pm - 5:52 pmTYS-DEN

3h 12mnonstop

11:59 pm - 10:28 amDEN-TYS

8h 29m1 stop

$239United Airlines

Find Deal

Fri, Sep 19 - Mon, Sep 22

6:08 pm - 9:52 pmTYS-DEN

5h 44m1 stop

12:45 am - 10:09 amDEN-TYS

7h 24m1 stop

$243Delta

Find Deal

Sat, Sep 20 - Fri, Sep 26

5:35 pm - 11:50 pmTYS-COS

8h 15m2 stops

1:55 pm - 11:57 pmCOS-TYS

8h 02m2 stops

$274United Airlines

Find Deal

Mon, Sep 8 - Tue, Sep 16

Delta flights from Knoxville to Colorado

Our best Delta deals on Knoxville to Colorado flight tickets

Delta

Oct 17

TYS6:04 pmKnoxville McGhee Tyson

7h 00m

1 stop

DEN11:04 pmDenver Intl

Oct 20

DEN12:55 amDenver Intl

8h 09m

1 stop

TYS11:04 amKnoxville McGhee Tyson

$237

Find similar

Delta

Sep 20

TYS6:08 pmKnoxville McGhee Tyson

5h 44m

1 stop

DEN9:52 pmDenver Intl

Sep 26

DEN12:45 amDenver Intl

7h 24m

1 stop

TYS10:09 amKnoxville McGhee Tyson

$243

Find similar

Delta

Sep 6

TYS6:14 pmKnoxville McGhee Tyson

6h 41m

1 stop

DEN10:55 pmDenver Intl

Sep 12

DEN12:45 amDenver Intl

7h 24m

1 stop

TYS10:09 amKnoxville McGhee Tyson

$264

Find similar

Allegiant Air flights from Knoxville to Colorado

Our best Allegiant Air deals on Knoxville to Colorado flight tickets

Allegiant Air

Oct 2

TYS7:00 amKnoxville McGhee Tyson

3h 04m

DEN8:04 amDenver Intl

Oct 5

DEN8:54 amDenver Intl

2h 39m

TYS1:33 pmKnoxville McGhee Tyson

$105

Find similar

Allegiant Air

Oct 9

TYS7:00 amKnoxville McGhee Tyson

3h 04m

DEN8:04 amDenver Intl

Oct 26

DEN8:54 amDenver Intl

2h 39m

TYS1:33 pmKnoxville McGhee Tyson

$122

Find similar

Allegiant Air

Sep 18

TYS7:00 amKnoxville McGhee Tyson

3h 06m

DEN8:06 amDenver Intl

Sep 21

DEN8:56 amDenver Intl

2h 47m

TYS1:43 pmKnoxville McGhee Tyson

$125

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 9/4

8:40 pm-9:49 pm

Nonstop3h 09m

Denver Intl

Sun 9/7

11:29 am-4:18 pm

Nonstop2h 49m

$85

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 10/2

7:00 am-8:04 am

Nonstop3h 04m

Denver Intl

Sun 10/5

8:54 am-1:33 pm

Nonstop2h 39m

$105

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 9/4

7:00 am-8:06 am

Nonstop3h 06m

Denver Intl

Sun 9/7

11:29 am-4:18 pm

Nonstop2h 49m

$134

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 10/2

7:00 am-8:04 am

Nonstop3h 04m

Denver Intl

Mon 10/6

2:59 pm-7:45 pm

Nonstop2h 46m

$168

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Wed 9/24

4:37 pm-10:09 pm

1 stop7h 32m

Denver Intl

Fri 9/26

5:44 am-1:12 pm

1 stop5h 28m

$219

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sat 9/20

6:00 am-9:41 am

1 stop5h 41m

Denver Intl

Sat 9/27

5:44 am-1:12 pm

1 stop5h 28m

$234

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Fri 10/17

6:04 pm-11:04 pm

1 stop7h 00m

Denver Intl

Mon 10/20

12:55 am-11:04 am

1 stop8h 09m

$237

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Fri 9/19

4:40 pm-5:52 pm

Nonstop3h 12m

Denver Intl

Mon 9/22

11:59 pm-10:28 am

1 stop8h 29m

$239

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sat 9/20

6:08 pm-9:52 pm

1 stop5h 44m

Denver Intl

Fri 9/26

12:45 am-10:09 am

1 stop7h 24m

$243

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

Mon 9/8

5:35 pm-11:50 pm

2 stops8h 15m

Colorado Springs

Tue 9/16

1:55 pm-11:57 pm

2 stops8h 02m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to Colorado

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

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from Knoxville, with most prices found around $213. The month of August is another great option to travel to Colorado, with average flight prices from Knoxville averaging around $229.

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

The cheapest day to depart from Knoxville to Colorado is on a Thursday when prices can be found for as low as $251. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $649.

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

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $112. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $494 per ticket.

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

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

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

You are more likely to see cheaper flights to Colorado from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $252 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Knoxville for as low as $176 on momondo.

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

There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to Colorado 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 Knoxville to Colorado flights?

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

Cheap Knoxville to Colorado flight deals and tips

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

Best Price Found	$131
Fastest flight time	3h 04m
Direct flights	Every day
Airports in Colorado	1 airport

The best one-way flight to Colorado from Knoxville in the past 72 hours is $131. The best round-trip flight deal from Knoxville to Colorado found on momondo in the last 72 hours is $188.

The fastest flight from Knoxville to Colorado takes 3h 04m

Direct flights go from Knoxville to Colorado every day.

There is 1 airport near Colorado: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Colorado?
Prices for flights from Knoxville McGhee Tyson Airport to Colorado were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Colorado?
The number of operators available for flights from Knoxville McGhee Tyson Airport to Colorado is 5 as of August 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado 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 Colorado. 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 Knoxville to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Knoxville to Colorado is Embraer 175 (Enhanced Winglets) (27.79% of total bookings). The next most popular plane models are Airbus A320-100/200 (21.41%), Airbus A319 (12.87%), and Boeing 737 MAX 8 (12.53%).

Best airlines flying from Knoxville to Colorado

Compare and see reviews for airlines that fly from Knoxville to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $69	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Frontier	PriceFrom $76	Free Cancellation	Rating 5.8 3,201 reviews	Search Frontier flights
American Airlines	PriceFrom $208	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $231	Free Cancellation	Rating 7.4 8,940 reviews	Search United Airlines flights
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights

Why use momondo?

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

It is quick and easy to find Knoxville to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

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

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

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

Once you have performed a search for Knoxville to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Knoxville to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 8/30

Sat 9/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities in Colorado

Flights to New Yorkfrom $37

Flights to Los Angelesfrom $37

Flights to Miamifrom $38

Flights to Chicagofrom $37

Flights to Orlandofrom $37

Flights to Las Vegasfrom $33

Flights to San Franciscofrom $37

Flights to Washington, D.C.from $37

Flights to Bostonfrom $58

Flights to Atlantafrom $37

Flights to Dallasfrom $38

Flights to Seattlefrom $45

Cheap flights from Knoxville to Colorado from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Colorado departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Knoxville to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Knoxville to Colorado

Our best Delta deals on Knoxville to Colorado flight tickets

Allegiant Air flights from Knoxville to Colorado

Our best Allegiant Air deals on Knoxville to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Knoxville to Colorado

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 Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from Knoxville, with most prices found around $213. The month of August is another great option to travel to Colorado, with average flight prices from Knoxville averaging around $229.

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

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

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $112. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $494 per ticket.

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

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

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

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

There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to Colorado 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 Knoxville to Colorado flights?

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

What is the cheapest airline that flies from Knoxville McGhee Tyson to Colorado?

Frontier, Allegiant Air, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to Colorado

What airlines fly to Colorado?

How many flights depart from Knoxville to Colorado on average per day?

As of August 2025, there are 2 flights per day flying from Knoxville to Colorado. The most common time of day flights depart is 9:00AM, with 60% of flights taking off in the afternoon.

How many flights depart from Knoxville to Colorado on average per week?

As of August 2025, 16 flights take off from Knoxville and land in Colorado each week. The most common flight departure day for this route is Sun, with 25% of weekly flights taking off on this day.

Cheap Knoxville to Colorado flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

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

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

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

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from Knoxville to Colorado?

Best airlines flying from Knoxville to Colorado

Compare and see reviews for airlines that fly from Knoxville to Colorado with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo