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 35% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

United Airlines, Southwest, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to Colorado

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

As of March 2026, 6 flights take off from Knoxville and land in Colorado each week. The most common flight departure day for this route is Thu, with 33% of weekly flights taking off on this day.

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 6 as of March 2026.

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.

$39 Cheap Flights from Knoxville to Colorado in 2026

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Cheap round-trip flights

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4:28 pm - 6:00 pm

TYS

DEN

3h 32mnonstop

10:45 am - 3:33 pm

DEN

TYS

2h 48mnonstop

$143Frontier

목, 4월 23 - 일, 4월 26

8:08 pm - 9:42 pm

TYS

DEN

3h 34mnonstop

9:00 am - 1:49 pm

DEN

TYS

2h 49mnonstop

$145Multiple Airlines

월, 8월 17 - 일, 8월 23

7:00 am - 8:21 am

TYS

DEN

3h 21mnonstop

9:00 am - 1:49 pm

DEN

TYS

2h 49mnonstop

$149Allegiant Air

일, 8월 16 - 일, 8월 23

7:00 am - 8:21 am

TYS

DEN

3h 21mnonstop

9:11 am - 2:01 pm

DEN

TYS

2h 50mnonstop

$162Allegiant Air

일, 8월 9 - 목, 8월 13

5:05 am - 9:50 am

TYS

COS

6h 45m

1 stop

5:41 am - 3:19 pm

COS

TYS

7h 38m

1 stop

$249American Airlines

화, 3월 31 - 화, 4월 7

2:25 pm - 9:00 pm

TYS

COS

8h 35m

2 stops

6:30 am - 2:20 pm

COS

TYS

5h 50m

1 stop

$254Southwest

화, 3월 31 - 화, 4월 7

2:25 pm - 9:00 pm

TYS

COS

8h 35m

2 stops

10:25 am - 7:40 pm

COS

TYS

7h 15m

2 stops

$259Southwest

화, 3월 31 - 화, 4월 7

7:00 am - 12:02 pm

TYS

MTJ

7h 02m

1 stop

1:33 pm - 11:44 pm

MTJ

TYS

8h 11m

1 stop

$265United Airlines

월, 3월 23 - 수, 3월 25

8:48 am - 12:43 pm

TYS

MTJ

5h 55m

1 stop

12:50 pm - 8:48 pm

MTJ

TYS

5h 58m

1 stop

$269United Airlines

수, 8월 19 - 월, 8월 24

5:33 am - 11:34 am

TYS

MTJ

8h 01m

1 stop

2:38 pm - 11:51 pm

MTJ

TYS

7h 13m

1 stop

$289American Airlines

목, 3월 19 - 월, 3월 23

Allegiant Air flights from Knoxville to Colorado

Our best Allegiant Air deals on Knoxville to Colorado flight tickets

Allegiant Air

Aug 16

TYS7:00 amKnoxville McGhee Tyson

3h 21m

DEN8:21 amDenver Intl

Aug 23

DEN9:00 amDenver Intl

2h 49m

TYS1:49 pmKnoxville McGhee Tyson

$149

Allegiant Air

Aug 9

TYS7:00 amKnoxville McGhee Tyson

3h 21m

DEN8:21 amDenver Intl

Aug 13

DEN9:11 amDenver Intl

2h 50m

TYS2:01 pmKnoxville McGhee Tyson

$162

Allegiant Air

Aug 20

TYS7:00 amKnoxville McGhee Tyson

3h 10m

DEN8:10 amDenver Intl

Aug 23

DEN9:00 amDenver Intl

2h 49m

TYS1:49 pmKnoxville McGhee Tyson

$175

Frontier flights from Knoxville to Colorado

Our best Frontier deals on Knoxville to Colorado flight tickets

Frontier

May 7

TYS4:28 pmKnoxville McGhee Tyson

3h 32m

DEN6:00 pmDenver Intl

May 10

DEN10:45 amDenver Intl

2h 48m

TYS3:33 pmKnoxville McGhee Tyson

$129

Frontier

May 10

TYS4:28 pmKnoxville McGhee Tyson

3h 32m

DEN6:00 pmDenver Intl

May 17

DEN10:45 amDenver Intl

2h 48m

TYS3:33 pmKnoxville McGhee Tyson

$155

Frontier

Jun 3

TYS8:08 pmKnoxville McGhee Tyson

3h 34m

DEN9:42 pmDenver Intl

Jun 8

DEN2:21 pmDenver Intl

2h 52m

TYS7:13 pmKnoxville McGhee Tyson

$180

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

목 4/23

4:28 pm-6:00 pm

Nonstop3h 32m

Denver Intl

일 4/26

10:45 am-3:33 pm

Nonstop2h 48m

$143

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

월 8/17

8:08 pm-9:42 pm

Nonstop3h 34m

Denver Intl

일 8/23

9:00 am-1:49 pm

Nonstop2h 49m

$145

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

일 8/16

7:00 am-8:21 am

Nonstop3h 21m

Denver Intl

일 8/23

9:00 am-1:49 pm

Nonstop2h 49m

$149

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

일 8/9

7:00 am-8:21 am

Nonstop3h 21m

Denver Intl

목 8/13

9:11 am-2:01 pm

Nonstop2h 50m

$162

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

화 3/31

5:05 am-9:50 am

1 stop6h 45m

Colorado Springs

화 4/7

5:41 am-3:19 pm

1 stop7h 38m

$249

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

화 3/31

2:25 pm-9:00 pm

2 stops8h 35m

Colorado Springs

화 4/7

6:30 am-2:20 pm

1 stop5h 50m

$254

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

화 3/31

2:25 pm-9:00 pm

2 stops8h 35m

Colorado Springs

화 4/7

10:25 am-7:40 pm

2 stops7h 15m

$259

KnoxvilleMontrose

TYS - MTJ

TYSMTJ

Knoxville McGhee Tyson

월 3/23

7:00 am-12:02 pm

1 stop7h 02m

Montrose County

수 3/25

1:33 pm-11:44 pm

1 stop8h 11m

$265

KnoxvilleMontrose

TYS - MTJ

TYSMTJ

Knoxville McGhee Tyson

수 8/19

8:48 am-12:43 pm

1 stop5h 55m

Montrose County

월 8/24

12:50 pm-8:48 pm

1 stop5h 58m

$269

KnoxvilleMontrose

TYS - MTJ

TYSMTJ

Knoxville McGhee Tyson

목 3/19

5:33 am-11:34 am

1 stop8h 01m

Montrose County

월 3/23

2:38 pm-11:51 pm

1 stop7h 13m

$289

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 $221. The month of May is another great option to travel to Colorado, with average flight prices from Knoxville averaging around $235.

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 $273. 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 $461.

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $214. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $489 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 $269 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 $213 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	$189
Fastest flight time	3h 05m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Knoxville in the past 72 hours is $189. The best round-trip flight deal from Knoxville to Colorado found on momondo in the last 72 hours is $251.

The fastest flight from Knoxville to Colorado takes 3h 05m

Direct flights go from Knoxville to Colorado every day.

There are 87 airports in Colorado. From Knoxville there are direct flights to 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 6 as of March 2026.
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) (34.48% of total bookings). The next most popular plane models are Airbus A320-100/200 (13.98%), Airbus A319 (10.92%), and Boeing 737-800 (10.15%).

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 $62	Free Cancellation	Rating 7.3 717 reviews	Search Allegiant Air flights
Frontier	PriceFrom $68	Free Cancellation	Rating 5.7 3,041 reviews	Search Frontier flights
Delta	PriceFrom $124	Free Cancellation	Rating 7.9 8,249 reviews	Search Delta flights
American Airlines	PriceFrom $218	Free Cancellation	Rating 7.1 11,382 reviews	Search American Airlines flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 9,388 reviews	Search United Airlines flights
Southwest	PriceFrom $248	Free Cancellation	Rating 8.0 4,307 reviews	Search Southwest 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.

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Cheap flights from Knoxville to Colorado from $39

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 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to Colorado from

How to get the cheapest flight ticket from Knoxville to Colorado

What is the cheapest month to fly to Colorado?

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?

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

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

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

Can stopping save me money on Knoxville to Colorado flights?

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

What airlines fly to Colorado?

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

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

Best airlines flying from Knoxville to Colorado

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

Why use momondo?

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

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According to popular flight searches on momondo this year

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